Questions tagged [kepler-telescope]

Kepler is a space observatory launched by NASA to discover Earth-like planets orbiting other stars.

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Orbit prediction for satellites using the Kepler model

I would like to know how to model the motion of satellites in orbit using Keplerian, i.e. develop a simulation model that tracks paths of satellites using Keplerian orbits in Python?
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What exactly is PDCSAP flux used in kepler missions?

I am having trouble finding a good explanation for what PDCSAP flux is. One place it's mentioned is here. What exactly is PDCSAP flux is in relation to something like the apparent magnitude of a star?
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What are the black stripes on Kepler's image sensor?

Kepler Focal Plane Array with each tile partly covered by something looking like a bar chart. If real, what is it? EDIT: I do not mean the seam between the two CCDs of each tile but the slighly curved ...
Rainald62's user avatar
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To what extent could JWST continue to be useful after the propellant runs out?

I see a similar question answered, but this is perhaps more specific. There's a lot of description about the James Web Space Telescope (JWST) operation during its planned mission. But I gather JWST ...
Roger Wood's user avatar
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How did the Kepler Telescope establish its orbit after third stage burn? (Follow Up)

note: This is a follow-up question based on a discussion under this answer. The Kepler Telescope was (is) in a heliocentric Earth trailing orbit, but I want to figure out how it was able to reach this ...
Veeke's user avatar
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How did the Kepler Telescope reach its orbit?

The Kepler Telescope was (is) in a heliocentric Earth trailing orbit, but I want to figure out how it was able to reach this orbit exactly. It was launched on a Delta II with 3 stages and I studied ...
Veeke's user avatar
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Benefit of Universal Variable formulation for elliptical only cases

I have been reading, and understand that for robust systems dealing with all types of orbits in a two body system universal variables approach has been favored. My question is, if I am strictly ...
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What fraction of stellar systems could/can Kepler and TESS search for planets?

Since Kepler and TESS search for exoplanets by their transit in front of their host stars, they can only find planets around stars whose ecliptic plane is nearly edge-on as seen from Earth. (Ref 1 &...
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How will NASA know for sure if its "Good night, Kepler" instruction was correctly and completely executed?

The NASA News item Kepler Space Telescope Bid ‘Goodnight’ With Final Set of Commands says: On Thursday evening, NASA’s Kepler space telescope received its final set of commands to disconnect ...
uhoh's user avatar
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RIP Kepler, how shall we call your orbit? Does this cyclic flip-flop process have a name?

So long, and thanks for all the Fish Planets The captions in the NASA Ames Research Center video What Will Happen to NASA’s Kepler Spacecraft? read as follows: NASA’s Kepler space telescope found ...
uhoh's user avatar
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Why would Kepler rotate towards Earth to transfer data?

A question from here: "Why would Kepler rotate towards Earth instead of having an antenna always directed to Earth"?
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Kepler has 16 GB of memory. Is this DRAM?

I'm writing a book chapter about Kepler, both the man and the spacecraft. I can't find much about the computer system and memory. In particular, I'd like to know if the 16 GB memory is DRAM, since I ...
Roger Wood's user avatar
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Why was Kepler's orbit chosen to continue to drift away from Earth?

The Kepler telescope was launched from Earth on March 7 2009 and placed in an independent orbit around the Sun, with a semimajor axis of 1.0132 AU, period of 372.53 days, and an eccentricity of 0.036 ...
uhoh's user avatar
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What kind of space telescope would be needed to detect oxygen in the atmosphere of a nearby extrasolar planet?

Would existing or upcoming telescopes (such as James Webb) be powerful enough to perform spectroscopy on an extra solar planet? Or would this require technology that is far beyond our current or ...
Lord Bubbacub's user avatar
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When did Kepler roll over and how does it match the anomalies of KIC 8462852?

The Kepler space telescope, during its first mission, rolled over four times per year in order to keep its heat shield facing the Sun. At what dates (in that BJD time format) was this done during the ...
LocalFluff's user avatar
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Recent anomaly in star system detected by Kepler mission

Recently the Kepler Mission detected a anomaly in a star system (KIC 8462852) that people are speculating could be a sign of intelligent life (aliens) being cause for anomaly. What was exactly going ...
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How do we determine and estimate the age of exoplanets like Kepler-452b?

Scientists recently discovered an exoplanet named Kepler-452b which they state is "is 6 billion years old". How did they determine this age? How could we possibly predict the age of any exoplanet? ...
Scott's user avatar
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NASA just announced 715 new exoplanets were discovered, what do we know about them?

I have been trying to find information on how far away these new exoplanets are from Sol. Does anybody have a map or a table that shows their distance to us in light years. There only seem to be 100 ...
Maelish's user avatar
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Why would Kepler’s pointing problems be minimized if aimed within the ecliptic?

Having read a few articles on the suggested new uses for the crippled Kepler space observatory with only two out of four functioning reaction wheels, several ideas suggest that Kepler’s pointing ...
TildalWave's user avatar
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What kind of science can be conducted with the crippled Kepler telescope?

Recently, NASA declared the Kepler telescope 'unfixable'. However, it doesn't seem to be the end of the telescope, as NASA appears to have asked the broader scientific community for suggestions on ...
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