Questions tagged [jpl]

Jet Propulsion Laboratory(JPL), in Pasadena, California, is a joint venture between NASA and the California Institute of Technology(Caltech) to develop and operate robotic spacecraft missions (such as the Curiosity and Opportunity rovers on Mars). Use for questions specifically about JPL.

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4
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1answer
163 views

Does NASA's Deep Space Network sometimes listen to other space agencies' spacecraft “just for the heck of it” or other non-mission related reasons?

This answer mentions: It's well known that other countries routinely spy on each other (i.e. the NSA tapping of Angela Merkel's phone). NASA's Deep Space Network's space-related activities (like ...
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0answers
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What's up with the peanut tradition? [duplicate]

I was reading up on Ranger 7 and at the very end a random bit of information is thrown in: The spacecraft performance was excellent and the success of the mission finally brought a turnaround in ...
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1answer
75 views

Lunar landing module and orbiting space craft personnel transfer [duplicate]

How did the crew of Apollo get from the orbiting capsule into the Lunar lander, as the orbiter rocket engine was between the orbiter and Lunar lander?
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211 views

What will the US government start to label its GPS spacecraft after SVN 99

GPS spacecraft are currently identified by their “Space Vehicle Number” (SVN) which now number 01 through 75. What will happen after 99 GPS satellites are launched? Is there any plan currently in ...
6
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1answer
363 views

What information was stolen from JPL during the Raspberry Pi hack?

The Engadget article A rogue Raspberry Pi helped hackers access NASA JPL systems highlights an incident where a networked Raspbery Pi at JPL was used to gain access to several other networks, ...
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2answers
854 views

What is the numbering system used for the DSN dishes?

The title "What is the numbering system used for the DSN dishes?" pretty much sums it up. DSN dishes are referenced by seemingly arbitrary numbers: 14, 55, 36, etc... Do these numbers carry any ...
3
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1answer
397 views

Why are JPL using this expression to emulate Schwarzschild orbits?

From the documentation ”Formulation for Observed and Computed Values of Deep Space Network Data Types for Navigation ” expression 4-61 on page 4-42 it can be seen that JPL uses the following ...
3
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2answers
254 views

How to obtain Chebyshev coefficients directly from the JPL Horizon's interface?

I'm from Spain and I'm currently finishing my degree in Aerospace Engineering. I am starting with all of this. My objective is to obtain the Chebyshev coefficients for the major planets position, ...
4
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1answer
355 views

What did JPL's 1939 lunar lander look like and what practical aspects of landing on the Moon did this engineering design address?

According to Wikipedia's Jet Propulsion Laboratory: During JPL's Army years, the laboratory developed two deployed weapon systems, the MGM-5 Corporal and MGM-29 Sergeant intermediate range ballistic ...
7
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1answer
563 views

What is the history behind having peanuts in mission control during critical missions?

The InSight mission livestream showed a jar of peanuts with what appears to be the MarCO logo. Why is was this a significant shot in the livestream? Is there history behind this?