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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58
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4answers
55k views

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 ...
6
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2answers
4k views

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 ...
8
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1answer
429 views

How many stages (approximately) will likely be used to get NASA astronauts to the Moon's south pole and safely back to Earth?

UPDATE: See Space News' NASA tweaks call for lunar lander concepts which links to: FedBizOpps: Human Landing System - Integrated Lander NASA.gov: NextSTEP H: Human Landing System - Integrated Lander; ...
20
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4answers
3k views

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 ...
18
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3answers
3k views

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 ...
36
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3answers
5k views

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 ...
2
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0answers
187 views

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 ...
11
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2answers
4k views

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 ...
6
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1answer
666 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 ...
12
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1answer
817 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 ...
29
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5answers
3k views

Why no parachutes in the Orion AA2 abort test?

On July 2, 2019, the Ascent Abort 2 test of the Orion spacecraft was performed, with the Orion command module ascending on a solid rocket booster, then firing its launch escape system to safely ...
12
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3answers
420 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. ...
3
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3answers
7k views

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-...
3
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1answer
191 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. ...
19
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1answer
1k views

Does the FAA still license the people who fold human-rated reentry parachutes?

One of the links in the question International Orange? is the History.com article The Amazing Handmade Tech That Powered Apollo 11’s Moon Voyage which says of Apollo capsule re-entry and landing ...
15
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2answers
2k views

Why isn't the Delta IV Heavy ever used for crewed spaceflight?

In 2014 the Orion spacecraft was launched on top of the Delta IV Heavy for the first time. Why do they build another rocket, the SLS, instead of launching the Orion on the Delta also with humans on ...
12
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2answers
640 views

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. ...
7
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2answers
312 views

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/...
6
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1answer
211 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? ...
6
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1answer
654 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 ...
6
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1answer
252 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 ...
6
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1answer
243 views

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 ...
4
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1answer
434 views

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 ...
4
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2answers
1k views

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?
4
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1answer
547 views

How much delta-v does the Orion spacecraft have?

Orion is intended to transport astronauts around cis-lunar space. How much delta-v performance does it actually have?
3
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1answer
159 views

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?
2
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0answers
77 views

How do all the struts and crosses in the Orion Crew Capsule Service Module work together? What do each of these parts do?

The BBC's Europe to make more hardware for American Moon missions says that three more service modules for the Orion Crew Capsule have been ordered by NASA, bringing the total desired to six. I ...
-9
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2answers
874 views

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 ...