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Questions tagged [osiris-rex]

For questions regarding OSIRIS-Rex (Origins, Spectral Interpretation, Resource Identification, Security, Regolith Explorer), a spacecraft launched in September 2016 with the intent to study and return a sample from asteroid 101955 Bennu.

10 votes
1 answer
2k views

Packing Osiris Rex capsule after landing

What was the procedure for packaging SRC Osiris Rex after landing? How to keep it clean, with no dust or sand? Why was it not packed on a clean surface like a table?
Louise Martin's user avatar
30 votes
1 answer
7k views

Why don't lasers last long in space?

A news article reports that OSIRIS-REx was equipped with two lasers for the spacecraft to shoot off the rock and study the echo to facilitate its landing and sampling maneuver. ... Most lasers don't ...
Camille Goudeseune's user avatar
6 votes
1 answer
142 views

Could the uncertain mass of the OSIRIS-REx sample affect the trajectory of the return capsule?

It appears that so much material was collected by OSIRIS-REx from the asteroid Bennu, that the cover of the collection head won't close, and some of the sample is floating away. In reviewing these ...
DrSheldon's user avatar
  • 48.1k
2 votes
1 answer
112 views

What's going on with the OSIRIS-REx sample caption video that's circulating on twitter?

Nasa footage is available here: https://svs.gsfc.nasa.gov/13744 The first series ("Movie 1") shows a lower frame rate followed by what seems like a continuous, rapid collection of images. In ...
Anton Hengst's user avatar
  • 10.9k
4 votes
0 answers
48 views

How did Osiris-Rex enter orbit around asteroid Bennu?

Bennu became the smallest and probably least massive celestial body orbited by a probe. Its surface gravity is 6 micro-g (= 6 millionths the gravity of Earth) according to Wikipedia. How did a probe ...
LoveForChrist's user avatar
1 vote
0 answers
68 views

OSIRIS-REx engines used during micro-maneuvers

During the Orbital-R phase, the ORX performs 12 micro-maneuvers (values obtained from NAIF's data file and SPICE library): ...
Cristiano's user avatar
  • 1,750
2 votes
1 answer
138 views

Are the estimated chances of Bennu hitting Earth in the next 200 years still about "1 in 1410" now that OSIRIS REx has scanned it?

This 2016 answer to Does Bennu pose a risk to Earth? And how can OSIRIS-REx's mission save us? says: Does Bennu pose a risk to Earth?: recent calculations produced a cumulative probability of 1 in ...
uhoh's user avatar
  • 149k
2 votes
1 answer
191 views

Could ejecta from asteroid Bennu enter into temporary orbit around it? If so, how?

The New York Times article The Asteroid Was Shooting Rocks Into Space. ‘Were We Safe in Orbit?’ mentions concerns about material ejected from the Bennu entering temporary orbit around the asteroid ...
uhoh's user avatar
  • 149k
2 votes
1 answer
143 views

Where are the 6 22-N OSIRIS-REx engines?

Does anyone could link an image/3D model/photo that shows the 6 22-N engines? Related question: OSIRIS-REx engines location.
Cristiano's user avatar
  • 1,750
1 vote
1 answer
256 views

Is OSIRIS-REx's high gain antenna nearly the same as TESS'? If so, why?

These two high gain antennas look very similar superficially, but are not identical. Is this a case of convergent design (a fancy kind of coincidence) or have they evolved from the same source, or ...
uhoh's user avatar
  • 149k
0 votes
1 answer
154 views

How exactly will OSIRIS-REx's Navcam be used to navigate?

This remarkable, tweeted OSIRIS-REx image is described in AsteroidMission.org's NavCam Image of Earth, the Moon, and Bennu The particular camera is called a NavCam, and yet it will be used during the ...
uhoh's user avatar
  • 149k
2 votes
1 answer
125 views

How low does OSIRIS REx's record-setting orbiting around Bennu go?

This OSIRISREx tweet says: It's official! I'm in orbit around #asteroid Bennu -- now the smallest body ever orbited by a spacecraft. My snug path around the asteroid also sets a new record for the ...
uhoh's user avatar
  • 149k
2 votes
4 answers
253 views

Tracking OSIRIS-REX

Where could I get real time telemetries for OSIRIS-REX? On official site I can only find "graphical simulated future telemetries", which are not very useful, also because each AAM is stated ...
jumpjack's user avatar
  • 3,043
3 votes
2 answers
336 views

What was the probability that Osiris Rex would find Earth Trojans?

Orbits at the Sun-Earth L4 and L5 (where Earth-associated Trojan asteroids might reside) are not long term stable due to Jupiter's large perturbing effects. Jupiter is about 318 times more massive ...
LOIS 16192's user avatar
4 votes
4 answers
508 views

What is the line in this picture?

I'm curious about this picture taken from Osiris-Rex. There is a faint vertical line nearly the width of Earth going from the top to the bottom of the image. What is it? Does it have something to do ...
duzzy's user avatar
  • 7,174

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