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Questions tagged [orion-spacecraft]

Questions regarding NASA latest manned spacecraft program currently under development. Orion spacecraft will be used for missions beyond Earth orbit. For questions related to the Project Orion (propulsion with atomic bombs exploded underneath the spacecraft) please use the nuclear-pulse-propulsion tag.

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How effective is the Orion radiation protection plan?

This article gives a basic overview of the procedure for astronauts on deep space missions who need to take shelter from energetic events such as solar flares. The shelter area strongly resembles a ...
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2answers
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What is the point of launching EM-1 on DIVH/F9H?

EM-1 was originally a full-up test of the SLS block 1B: Orion, ICPS (a modified 5-meter Delta cryogenic second stage), and the first stage/SRBs. NASA administrator Bridenstine’s statement on 3/13/...
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Surmountability of the technical risks to launching EM-1 on commercial rockets?

NASA administrator Bridenstine announced that commercial rockets (e.g., Delta Heavy and Falcon Heavy) would be considered as ways to launch EM-1 by July, 2020. Such a move would reportedly require a ...
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Can Delta Heavy launch a fully fueled upper stage with no payload attached?

There is right now talk of a potential dual launch mission to fulfill EM-1, where a Delta Heavy would launch a fully fueled upper stage to LEO, to there bet met with the Orion spacecraft, likely ...
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Why does Orion's Jettison Motor, have four nozzles but eight Attitude Control Motors arranged in an octagon?

Spaceflight 101's Orion Spacecraft Overview shows the following tests for the escape system. Why are there eight ACS thrusters arranged octagonally? Is it just to reduce cosine losses or does this ...
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1answer
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What is under these four white covers on the upper part of the Orion capsule?

The New York Times article A NASA Journey to the Moon May Need to Find Another Rocket or Two shows an image of the Orion capsule in a file photo, along with the NASA director. There are four white ...
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1answer
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Orion Exploration Mission-1; clarification and additional trajectory information?

This September 2017 video NASA | Exploration Mission-1 – Pushing Farther Into Deep Space is over a year old. I found some aspects interesting and wonder if more details about this trajectory are now ...
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Orion reentry plasma

Below are two screen shots from the video of the Orion reentry, Astronaut’s-Eye View of NASA’s Orion Spacecraft Re-entry, and a diagram. Is the plasma contained, or primarily within the viscous wake, ...
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1answer
133 views

What brand and model is the hand-held sextant tested on the ISS?

Astronaut Alexander Gerst is testing an hand-held sextant on the ISS in the context of the experiment Sextant Navigation for Exploration Missions, see picture below. What is the brand and model of ...
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What is the nature of the sextant tests on the ISS for Orion cis-lunar emergency navigation?

According to the NASA Johnson video Space to Ground: A Star to Steer By: 08/10/2018: A tool that once helped sailors cross vast oceans for centuries is now being put to the test in space. The crew ...
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2answers
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Could an Orion Spacecraft launch from a Falcon Heavy? [duplicate]

The cost of an SLS launch is significantly more expensive then a Falcon Heavy. Could an Orion spacecraft be mated to the Falcon Heavy to save launch costs?
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1answer
239 views

Do Orion's solar panels have adjustable sweep?

In this video overview of NASA's proposed EM-1 mission, the solar panels on the Orion spacecraft are initially shown extending perpendicular to the spacecraft (at around 3:46). Shortly after that, as ...
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1answer
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Brachistochrone variation for Earth-to-Mars Orbit

Wouldn't a Brachistochrone curve to Mars orbit be a much faster and more efficient way to send personnel and equipment to mars as compared to the Hohmann transfer if we used an Ion engine? The below ...
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2answers
323 views

Were any Components Off The Shelf (COTS) used in the Space Shuttle?

Are there examples of Components Off The Shelf (COTS) used in the Space Transportation System? And is NASA considering using COTS in future manned space flight systems like Orion and the SLS?
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What limits how long spacecrafts like Orion, Dragon, Starliner can support their crews' lives?

The next generation crewed spacecrafts is about to fly in the decade of 2020. Not only those in the headline here are trying to make it, but more are being developed privately and internationally. ...
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1answer
160 views

How does Orion take its bath (Hydro Impact Basin)?

In 2011 the NASA Langley Research Center completed the Hydro Impact Basin for conducting drop tests of the Orion spacecraft. How much water is the basin filled with for these tests? Does the Orion ...
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1answer
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Can a crewed capsule land safely if its launch escape tower does not separate?

Apollo, Soyuz and Orion have used, are using or will use launch escape towers. If it is not needed, it must separate during flight. What if it does not separate? I suppose that the spacecraft would ...
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1answer
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Boeing starliner launch vehicle [closed]

Boeing and Spacex is practically in race to human flight launch first. It's rocket-ULA Atlas-V have excellent record already in industry. But the Starliner aerodynamic problems aerodynamic/mass due to ...
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1answer
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Are the Boeing CST-100 Starliner and Orion MPCV interchangeable at any level?

Although the Boeing CST-100 Starliner and the Orion MPCV are designed for different missions (LEO vs beyond LEO), one might imagine a mission which could be served by either vehicle. Presumably, both ...
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2answers
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Could SpaceX's Dragon V2 or the Boeing Starliner be upgraded to travel beyond LEO

A recent Government Accountability Office (GAO) report has cast doubts on the ability of the Orion MPCV to meet its requirements on its already excessive budget. Orion has been in development since ...
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1answer
457 views

Could the Orion or Apollo command module safely land on land in an emergency due to a navigation error?

So we all know that the Apollo missions used a water landing, as will Orion, while the Soyuz lands on land but can land on water if needed. What would have happened if an Apollo crew began reentry in ...
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Atmospherics for 'next generation' manned space flight / Exploratory Class Missions

Decompression sickness is a significant risk to both current and future astronauts and currently significant time is lost in preparation for extra-vehicular activity on the ISS [including airlock ...
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1answer
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Why is NASA redirecting an asteroid to Lunar Orbit instead of LEO? [duplicate]

One of the missions NASA is planning is to redirect a small asteroid to lunar orbit and land astronauts on it. If it can redirect asteroids, why not just send it to LEO and send a Dragon to it?
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Reason for different “cone angles” of different space capsules?

Here is the Cargo Dragon: And here is the Orion: The "cone" that orion makes has a large opening angle - perhaps about 70 degrees. Meanwhile, the Dragon is almost cylindrical - the opening angle is ...
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1answer
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Can Orion (or Dragon or CST-100) be upgraded to do multiple EVA's (space walks)?

Orion is designed to support only one EVA. There's no airlock so the entire spacecraft would be evacuated of air during the space walk and then repressurized from gas flasks, with a storage enough for ...
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1answer
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Could suitports on Orion/Dragon2/CST-100 make multiple EVA's available?

Suitports seem like a brilliant idea that saves lots of mass and complexity compared to an airlock, which traditionally is a dumb pressurizable gas wasting tube where the astronaut suits up. The first ...
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1answer
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How much of the Orion vehicle will be built or provided by Airbus/ESA?

Does this mean that, for all the fanfare, the USA's actual contribution to the future of human-flight space exploration based on this particular vehicle is now rather less than is economically-...
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3answers
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Are the Orion and the CST-100 basically the same spacecraft?

Lockheed Martin, mostly, develop both he Orion and the CST-100 for NASA. I feel like I'm a bit late at learning here, but are they basically the same designs? The LEO and the Beyond-LEO version. CST-...
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1answer
457 views

Could Orion repeat any of the Hubble Space Shuttle servicing missions?

I have a distinct feeling that there's some apparent no-go on the question in the title, but currently can't put my finger on it; For the lifting mass to Low Earth Orbit (LEO), let's assume that SLS (...
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1answer
205 views

Could Orion be used for human exploration of Phobos and Deimos?

NASA's human space flight program plans to within 5 years or so have access to Orion and a launcher for it. Without a Lunar or Martian lander, the targets for Orion missions are limited. But given ...
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3answers
309 views

Are there any drawbacks or potential dangers on using touch-sensitive instrument panels on spacecraft?

Just as seen on Orion and Dragon designs (I haven't checked on other current spacecrafts), there are a lot of benefits from using touch-sensitive panels instead of traditional electrical switches. ...
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1answer
260 views

Has Orion's touch-screen instrument panel been influenced by Dragon's v2 panel? (or vice-versa)

I recently read about Orion's touch-screen instrument panels designs, and remember seeing this first on the Dragon v2 unveiling (with a 4 panel design instead of 3). Was this design influenced in any ...
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4answers
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Why not build Saturn V's again?

Why is the US developing a new rocket and spacecraft as opposed to building the Saturn V and Apollo stacks again? The SLS / Orion development programs certainly can't cost less than the unit cost of ...
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2answers
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Is Orion space craft evident that NASA didnt send human beyond the earth orbit? [closed]

I was reading in the news that NASA was testing sending humans beyond the earth's orbit (higher than 200 miles I think ), so the test was this program and they were happy because it succeeded to send ...
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1answer
313 views

What would be required for Orion to ferry astronauts to the ISS?

This mission profile seems like a no-brainer to me, but I don't recall seeing it mentioned in Orion coverage. I know this may have more to do with politics than anything else, but I'm more interested ...
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1answer
408 views

What's next for Orion?

Orion's Exploration Flight Test 1 today appeared to go very well. The only information on future Orion flights I was able to find suggests that the next step is an unmanned circumlunar flight ...
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1answer
140 views

Short EFT-1 missions launch window

I have been following the Orion flight test this morning hoping that the engineers could finally manage to launch the spacecraft on time and I was disappointed when the scrubbing was communicated. ...
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1answer
178 views

Orion Heat Shield

I've heard that a different design of heat shield will be in place for the future Orion missions. How is the heat shield going to be different, and will the (Planned) Dec 4th launch of Orion ...
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1answer
571 views

Could Orion capsules be reused?

While watching this video animation of Orion EFT-1, a question occurred to me. Previous capsules (Apollo, Gemini, Mercury) were used once and then relegated to museums (apart from a few test flight ...
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2answers
254 views

Nasa's Orion program doesn't make sense [closed]

Couldn't we launch the orion capsule on a launch system that is already developed? It makes no sense tp me that we would spend another half a decade just to build that vehicle. It doesn't make sense , ...
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1answer
572 views

Did Orion do a pad abort test? A live fire abort test?

The CCtCAP customers have to do abort tests to satisfy the NASA Human rating standards. Is Orion going to do a pad abort, and a Max-Q abort, like SpaceX is required to do? Or is Orion being held to ...
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1answer
184 views

Will Orion be subjected to the same Human Rating (Safety, demo flight) standards as the CCtCap competitors?

The CCtCAP Competitors, Dragon V2 (SpaceX) and CST-100 (Boeing) are being subjected to the NASA human rating standards. Although I asked the questions: Would the Shuttle meet Human rating standards? ...
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1answer
320 views

Can the Orion be reused in space?

Orion is designed to land in the ocean and is therefor not reusable after landing (only some internal systems will be reused). But can Orion be reused while in space? What would the main issues be? ...
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3answers
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What missions could be done with Orion on Falcon Heavy?

Orion is being developed in tandem with the SLS. But Falcon Heavy is scheduled to fly earlier, early 2015, and be cheaper. So I wonder what kind of missions Orion could do with FH. Could it for ...
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2answers
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Why will the Orion system land on water, while the Soyuz lands on land?

I wonder why the Orion Multi-Purpose Crew Vehicle will only allow ocean landings while the Soyuz spacecraft is capable of landing on land? Also, what mode of landings does the Chinese space program ...
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1answer
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What will be the launch and landing sites for Orion?

There is this question that is very interesting. But it made me wonder about upcoming systems. Assuming it gets finished, and this blog makes it seem more real.. Where will it take off from and land. ...
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1answer
181 views

Will the EFT-1 mission for Orion carry an escape tower?

December 2014 is the scheduled date for the Exploration Flight Test-1 (EFT-1) mission of the Orion space capsule. It will be launched on a Delta IV Heavy rocket as a surrogate for the unavailable SLS ...
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2answers
1k views

What is the rationale behind the manned versions of SLS?

A recent answer included this graphic of projected SLS versions: So even the smaller version is capable of lifting 70 tons to orbit. Is there a reason other than politics to use a rocket that ...
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2answers
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Why don't 3-parachute descent systems collide and collapse?

The Orion reentry vehicle will have a parachute system. Like Apollo, they'll have 3:     Orion Parachute Drop Test on May 1, 2013 A model of NASA's Orion spacecraft glides ...