Questions tagged [record]

Questions regarding extremes or records, such as the smallest, largest, first, last, heaviest, etc. of a thing or event.

21 questions with no upvoted or accepted answers
Filter by
Sorted by
Tagged with
5 votes
0 answers
169 views

What are the largest distances between two spacecraft that have been determined to a meter or so accuracy? How were these done?

This answer to Radio Telescope / DSN Node in L4 and/or L5 presents the challenge of implementing "very long" VLBI using the ~1 AU distance between Earth and a Sun-Earth triangular libration ...
uhoh's user avatar
  • 149k
5 votes
0 answers
77 views

What's the lowest and the highest ever recorded atmospheric pressure by a Mars lander?

What is the lowest and what's the highest ever recorded air pressure on Mars by an (either roving or stationary) Mars landing probe? As per the answer in this question of mine, it seems the highest ...
user avatar
4 votes
0 answers
69 views

Currently, how many communications channels can a single DSN dish maintain at the same time? Are there plans to increase this in the future?

DSN NOW screenshot 2021-07-10 at 07:14 UTC DSN NOW screenshot 2021-07-10 at 09:48 UTC The screen shots show Canberra's Dish 35 simultaneously transmitting and receiving, and above it is written MRO, ...
uhoh's user avatar
  • 149k
3 votes
0 answers
58 views

Radio coherent transponders are the foundation of deep space navigation, have optical analogues been used? If so, the furthest distance measured?

Coherent radio transponders receive a signal from Earth containing specially encoded modulation, amplify it and retransmit it back to Earth. Correlating the received signal with the transmitted signal ...
uhoh's user avatar
  • 149k
3 votes
0 answers
214 views

Most dog-legged launch?

There are enough questions about dogleg maneuvers that there is now a dogleg tag, but the definitive dogleg answer is @JakeBlockers (linked below) which includes images of a dogleg from Florida that ...
uhoh's user avatar
  • 149k
3 votes
0 answers
207 views

What was the most intense beam ever sent from Earth?

By a freak coincidence sensors on a passing alien ship a hundred light years away had picked up a faint artificial blip from Earth, thereby discovering our inhabited planet. But which blip was it? ...
uhoh's user avatar
  • 149k
3 votes
0 answers
146 views

Smallest orbital rocket by diameter?

Which orbital rocket has the smallest diameter? Without fins. Related question: Smallest orbital rockets by height? Smallest orbital rocket by mass Smallest launch vehicle by dry mass
Joe Jobs's user avatar
  • 2,620
3 votes
0 answers
230 views

What is the record for LOX staying liquid in space?

Liquid oxygen can be used for breathing, for fuel cells, and as an oxidizer for propulsion. However, it is cryogenic, and will slowly boil off in storage, even in a spacecraft. What is the longest ...
DrSheldon's user avatar
  • 48k
3 votes
0 answers
220 views

What is the largest energy stored in a spring or other stress-based energy storage device that's ever been put in space?

The question What is the largest delta-v ever produced in space from mechanically stored energy? asks of course about the delta-v produced, but here I'm asking about the largest amount of stored ...
uhoh's user avatar
  • 149k
3 votes
0 answers
31 views

Which two spacecraft have spent the longest times in libration point orbits? (Lagrange points, Halo, Lissajous, etc.)

Libration point orbit is a general term including halos, Lissajous', and a whole zoo of others associated with Lagrange points in three-body systems. Which two spacecraft has been in such an orbit ...
uhoh's user avatar
  • 149k
2 votes
0 answers
54 views

What is the largest single burn plane change maneuver executed in LEO?

Below 2000 km in low Earth orbit (or close to it), what is the largest propulsive plane change from a single burn? Expecting an answer in degrees, a named mission and vehicle executing the burn itself....
uhoh's user avatar
  • 149k
2 votes
0 answers
186 views

How many bubble levels have been used in space? Were any of them used some place besides the Moon?

The lunar retroreflectors left by Apollo astronauts had bubble levels and Sun compasses to that they could be oriented correctly with respect to Earth's average direction. This was necessary to ...
uhoh's user avatar
  • 149k
2 votes
0 answers
188 views

How often are fewer than three astronauts present when moving a Soyuz spacecraft from one docking port to another?

CNN's Astronauts relocated a spacecraft outside the International Space Station (was it inside before?) says: Russian cosmonauts Sergey Ryzhikov and Sergey Kud-Sverchkov, along with NASA astronaut ...
uhoh's user avatar
  • 149k
2 votes
0 answers
26 views

NanoSat/Small Satellite World Record

I have been trying to understand, small sat within 10-30 kg satellite what has been the longest operating satellite? Generally life of such missions is 6 months. Other heavy duty class satellite have, ...
zephyr0110's user avatar
  • 2,911
1 vote
0 answers
33 views

Closest distance that two unrelated spacecraft have come while both in heliocentric orbits?

In 2015 STEREO A and B passed each other passing roughly behind the Sun at the same time from opposite directions as seen from Earth. But these two are part of a single mission, put into these orbits ...
uhoh's user avatar
  • 149k
1 vote
0 answers
132 views

What's the longest crewed space mission flight ever?

I wonder what the longest single space mission ever was/is. This question doesn't ask for the longest single spaceflight of a human (this are Valery Polyakov's 437 d 18 h on Mir who launched with ...
LoveForChrist's user avatar
1 vote
0 answers
89 views

Which object has been on other planet(s) or other natural bodies the most times? What if orbits count?

Following answer(s) to Which object has been to space the most times? answer, and related to Objects that have been on the Moon multiple times one. Question: Are there any object(s) that travelled to ...
JuanCa's user avatar
  • 91
1 vote
0 answers
71 views

What is the longest manned re-entry from Low Earth Orbit ever recorded?

What is the record for the longest amount of time that a manned spacecraft has taken to re-enter from low Earth orbit (LEO)? I would prefer the duration between the beginning of the re-entry burn ...
DrSheldon's user avatar
  • 48k
1 vote
0 answers
56 views

How many space suit types could be used at the ISS when Starliner, Crew Dragon and Soyuz are all active?

I just watched the CBS news video SpaceX and Boeing competing to capture the American flag in space about the "race to bring the flag home". It got me wondering about the variety of suits. I lose ...
uhoh's user avatar
  • 149k
1 vote
1 answer
166 views

What was the furthest distance from Earth that Armstrong, Aldrin, and Collins reached in Apollo 11?

An estimate is fine. But if possible, I am looking for a reference that I can cite.
Andrew's user avatar
  • 139
0 votes
0 answers
72 views

Largest number of times that a bit of fuel has been exchanged between spacecraft? Between spacecraft tanks?

Scott Manley's Russia's New Space Station Module Causes Alarm On ISS says a bit after 18:38: The fuel system isn’t going to be entirely isolated because when ...
uhoh's user avatar
  • 149k