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Questions tagged [lunar-gateway]

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EPS sizing for lunar mission

As part of a university project, I am working on EPS sizing for a mission to the lunar environment. I have sized the SA and batteries, chosen the components and the PDCU; however, having never been in ...
andrescpa's user avatar
6 votes
1 answer
510 views

Is it possible to open and close ROSAs several times?

During the preliminary phase of designing a REUSABLE lander for the lunar surface from the gateway, the need to necessarily use deployable SAs came up. In addition, because of the descending and ...
alespacerfed's user avatar
-4 votes
1 answer
156 views

Why "The Gateway" could not use Circumlunar trajectory? [duplicate]

My question should have being: "Is it possible to have a stable (minimal Delta-V) Circumlunar trajectory that goes around Earth and the Moon? " Circumlunar free return trajectory Lunar ...
TheMatrix Equation-balance's user avatar
2 votes
1 answer
123 views

Will astronauts on the Lunar Gateway beat the record Apollo 13 set for furthest distance from Earth?

This questiom states that the distance was 400038km with a lunar altitude of 254 km. As gateway will have a max. 70,000 km distance from the lunar south pole, it may break the record. However, because ...
Small-Jaguar's user avatar
12 votes
2 answers
2k views

Will SpaceX help with the Lunar Gateway Space Station at all?

Will the LGSS be assisted by SpaceX at all. For example, will the LGSS use SpaceX crew vehicles, or any of their services at all? If so, how often.
user avatar
0 votes
2 answers
98 views

Could lunar gate components be 3D printed and assembled in Low Lunar Orbit

Could Lunar Gateway Components be 3D Printed and assembled in a low level lunar orbiting space station and then be handled by space or sky crane type equipment?
Jesse 's user avatar
  • 31
3 votes
0 answers
102 views

What programming language will the lunar gateway run on? How much of its code will be inherited from existing ISS components?

What programming language will be used for the main elements of the lunar gateway? Will programmatical components be inherited from the ISS? If so, to what extent?
Speedphoenix's user avatar
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1 vote
1 answer
135 views

Could there be a relatively stable near-rectilinear halo orbit associated with the Sun-Earth L1 or L2 points? Would the Moon screw it up?

Question: Could there be a relatively stable near-rectilinear halo orbit (NLHO) associated with the Sun-Earth L1 or L2 points? Would it be similarly stable as the Earth-Moon NLHO proposed for the &...
uhoh's user avatar
  • 149k
4 votes
1 answer
818 views

How does Lunar Gateway compare to ISS and MIR

Looked around for comparison pictures, but can't find anyone (yet), probably because lunar gateway design is not yet stable. Or is it? I found several different designs. Do they exist "blueprint&...
jumpjack's user avatar
  • 3,043
15 votes
1 answer
451 views

Will Soyuz spacecraft be able to visit the Lunar Gateway?

I mean launch from Earth, dock to the gateway and come back.
Anixx's user avatar
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4 votes
1 answer
2k views

How much delta-v does it take to get from a Lunar Transfer Orbit to a Near Rectilinear Halo Orbit around the moon

There has been a lot of talk of NASA putting a Lunar Gateway in a Near Rectilinear Halo orbit around the moon, but I don't actually know how much delta-v it takes to get there. Most delta-v maps I can ...
ORcoder's user avatar
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2 votes
0 answers
246 views

How to use "patch points" to make a continuous halo orbit?

update: I've found "patch points" mentioned throughout the following papers; it is likely that an answer can be found from these sources. Targeting Cislunar Near Rectilinear Halo Orbits for Human ...
uhoh's user avatar
  • 149k
6 votes
2 answers
359 views

Is the Gateway's halo orbit bound to Earth? Would the Gateway remain in Earth orbit if the Moon disappeared?

Discussion below this answer involves my feeling that calling halo orbits in very asymmetric systems (e.g. Sun-Earth or Earth-Moon) as orbits around the primary, in 1:1 resonance with the secondary. ...
uhoh's user avatar
  • 149k
6 votes
1 answer
236 views

Aspects of "true deep space environment" on Gateway not thoroughly explored by decades of habitation of nine space stations already?

The ABC News article President Trump prompts state of confusion over space policy with tweet covers POTUS' tweet and NASA director Bridenstine's clarification tweet a few hours later, as well as cites ...
uhoh's user avatar
  • 149k
7 votes
1 answer
203 views

Going to the Lunar gateway during the upcoming solar maximum! What will the radiation environment be like?

EarthSky.org's What will the sun do next? says: On December 6, 2018, the Center of Excellence in Space Sciences India (CESSI) reported that two of its scientists have made a prediction for the ...
user1209304's user avatar
8 votes
1 answer
544 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; ...
uhoh's user avatar
  • 149k
5 votes
1 answer
678 views

How do I calculate the characteristic energy for a rocket to near rectilinear halo orbit where the Deep Space Gateway is going to orbit the Moon?

How do I calculate the characteristic energy for a rocket to near rectilinear halo orbit (NRHO) where the LOP-G or the Deep Space Gateway is going to be orbiting the Moon? Or if someone already has a ...
Tim Bush's user avatar
2 votes
0 answers
110 views

Why might NASA need to "practice moving a spaceship in different orbits in deep space"?

The NASA.gov feature Q&A: NASA’s New Spaceship says Q: NASA’s really building a spaceship?! A: That’s right! NASA is working with its partners to design and develop a small spaceship that will ...
uhoh's user avatar
  • 149k
3 votes
0 answers
231 views

More complete source for Lunar Gateway is “a stupid architecture” comments? (National Space Council Users' Advisory Group)

The Ars Technica article Former NASA administrator says Lunar Gateway is “a stupid architecture” disusses a meeting of the National Space Council Users' Advisory Group. Apparently there was not around-...
uhoh's user avatar
  • 149k
11 votes
1 answer
1k views

What ever happened to the Asteroid Redirect Mission?

In Robert Zubrin's Moon Direct; A purpose-driven plan to open the lunar frontier (found in the Pod Bay) there is a paragraph that says: Essentially, the gateway is a vestigial form of the Obama ...
uhoh's user avatar
  • 149k
3 votes
0 answers
186 views

What is the response to the criticism of LOP-G project by Zubrin and others?

Many people have aired criticism of the project (see here for some). Was there any response from the project's team or NASA regarding these criticisms?
Anixx's user avatar
  • 3,136
4 votes
2 answers
1k views

How will the Lunar Gateway go to L2 and L1; how much delta-v is needed?

In a talk to the press which can be heard in the YouTube video NASA Administrator Jim Bridenstine Explains the Lunar Gateway, NASA director Jim Bridenstine says after about ...
uhoh's user avatar
  • 149k
16 votes
4 answers
990 views

Why is the US building a Lunar Orbital Platform-Gateway (LOP-G)?

An excerpt taken from the Wikipedia page on LOP-G says space-experts have criticized it: The Deep Space Gateway has received criticisms [...] for lacking a proper scientific goal. Former NASA ...
Magic Octopus Urn's user avatar
5 votes
0 answers
314 views

What would be needed for ISS to function in lunar orbit?

Not only the Chinese are rather unimpressed by the concept of "Lunar Gateway", which is summed up as a much smaller ISS in the Moon orbit. It made me wonder - wouldn't it be better to move ISS into ...
SF.'s user avatar
  • 55.1k
5 votes
1 answer
5k views

LOPG/Deep Space Gateway - What is a cislunar orbit?

Formerly the Deep Space Gateway and now the Lunar Orbital Gateway or LOPG station, is planned for Expedition 1 aka the maiden launch of the SLS. After reading several specifications, to avoid the "...
Matt Smallwood 's user avatar
15 votes
1 answer
18k views

What is a near rectilinear halo orbit?

A proposed option for the lunar orbit of a Lunar Orbital Platform-Gateway (formerly known as Deep Space Gateway) is a near rectilinear halo orbit, or NRHO. This excellent answer discusses the ...
uhoh's user avatar
  • 149k
13 votes
1 answer
7k views

Why is a near rectilinear halo orbit proposed for LOP-G (formerly known as Deep Space Gateway?)

Why is a near rectilinear halo orbit a good place for a Lunar Orbital Platform-Gateway (formerly known as Deep Space Gateway)? Are there specific logistical and orbital-mechanical advantages over ...
uhoh's user avatar
  • 149k
5 votes
2 answers
910 views

What are the advantages and disadvantages of assembling a space station in LEO before sending it to its intended Lunar orbit?

Government space agencies and some of the largest space companies are talking about building a space station somewhere in cis-Lunar space, the so called "Gateway". As far as I've heard, the (still ...
LocalFluff's user avatar
5 votes
2 answers
558 views

Could the Soyuz/Progress supply and crew a space station in Lunar orbit?

The Soyuz launcher can put about a third of the mass in low Earth orbit compared with Proton, Falcon 9, Ariane 5, Atlas V. Is that enough to crew and resupply a space station in Lunar orbit, or at an ...
LocalFluff's user avatar