Questions tagged [dart]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
7
votes
3answers
769 views

How many images of Didymos could be transmitted by Dart between the first full size image and the impact?

Dart is approaching Didymos B aka Dimorphus with a speed of 6.6 km/s. How many images could be taken and transmitted between Didymos B just filling the entire image and the last image just before ...
26
votes
3answers
5k views

How will DART be able to hit a 170 meter rock dead-center at over 6000 m/s? What technologies will be use and how will they work together?

The DART spacecraft will ultimately be a kinetic energy impactor, using its 500 kg mass at a relative velocity of over 6000 m/s to slightly change its target 65803 Didymos's companion Dimorphos's ...
0
votes
1answer
230 views

Deep space marksmanship; will DART's intercept and impact trajectory represent the best ever if successful? If so, by how much?

The DART spacecraft will ultimately be a kinetic energy impactor, using its 500 kg mass at a relative velocity of over 6000 m/s to slightly change its target 65803 Didymos's companion Dimorphos's ...
1
vote
1answer
98 views

Will DART fire its ion engine to accelerate prior to impact?

I'm an avid KSP player. Like some of them, I've been playing the DART simulation on the game. I've typically achieved impact velocities of 5-7 km/s, the higher end being achieved by propulsive ...
1
vote
1answer
104 views

How does a 22 dBi X-band "patch" antenna get so much gain and how well behaved is its high-gain radiation pattern?

@NgPh's answer to How will the LICIACube cubesat transmit DART impact images back to Earth? What kind of antenna and radio will it use? quotes LICIACube on DART mission: an asteroid impact captured by ...
2
votes
1answer
124 views

How will the LICIACube cubesat transmit DART impact images back to Earth? What kind of antenna and radio will it use?

MarCO The Mars Cube Ones or MarCOs were 6U cubesats that were deployed in deep space during the InSight mission to observe it during a critical, dynamic period of its mission, in this case the N ...
4
votes
0answers
96 views

Why is the Deep Space Network now testing an asteroid redirection mission that hasn't launched yet?

The Double Asteroid Redirection Test is a planned demonstration of the ability of a spacecraft to impact into and redirect the path of an asteroid. The test is part of plans to develop a system to ...
3
votes
1answer
140 views

Where all is ROSA (roll-out solar array) planned to be used?

A comment below Why are DART's solar panels aligned like this? says: Maybe could have something to do with how much space they take up with rolled all the way in? This is also the first use of ...
3
votes
0answers
86 views

Was Dart antenna tested using a DSN antenna located in Australia?

So recently a tweet by a bot which tracks communications by the Deep Space Network stated that: DSS 43 receiving data from Double Asteroid Redirection Test at 312.5kb/s. IN LOCK IN LOCK 1 TURBO 11:11 ...
6
votes
1answer
341 views

How many SpaceX 2nd stages are in heliocentric orbits?

I can think of one particularly famous SpaceX 2nd stage in heliocentric orbit that even has its own website: https://www.whereisroadster.com/ and I know one was used to send DSCOVR towards Sun-Earth ...
2
votes
1answer
201 views

Highest velocity impact between a spacecraft and a solar system body? What about for a dedicated impactor (spacecraft component)?

In this answer I mention the proposed impact of DART: Double Asteroid Redirection Test (DART) Mission Double Asteroid Redirection Test The Double Asteroid Redirection Test (DART) Element of the ...
6
votes
0answers
195 views

What can be learned from NASA's choice of Didymos B for the Double Asteroid Redirection Test

The NASA News item NASA’S First Asteroid Deflection Mission Enters Next Design Phase describes a test the kinetic impactor technique that could someday be used to adjust the orbit of an asteroid in ...