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From sci.space.news: DART/MUBLCOM
This is excerpted from from "Jonathan's Space Report #547"
as posted by Jacques van Oene on sci.space.news "Alarmingly, it now seems that DART collided gently with MUBLCOM, changing its orbit by a tiny amount. It's still not clear if this was a physical collision, or the effect of DART's rocket plume hitting MUBLCOM. Tracking data show MUBLCOM in a 739 x 749 km orbit prior to the rendezvous and 741 x 750 km afterwards. In any case, this is bad news for the robotic rendezvous tech, as you want to avoid unwanted collisions above all - software should have aborted the approach if there was a chance of hitting the target. After the mission, DART's HAPS stage fired again on Apr 18 to lower its orbit to 394 x 746 km." |
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William R. Thompson wrote:
Sorry--I bumbled into the "Send" key before adding the obvious: There might be some debris associated with the collision/plume strike. --Bill Thompson This is excerpted from from "Jonathan's Space Report #547" as posted by Jacques van Oene on sci.space.news "Alarmingly, it now seems that DART collided gently with MUBLCOM, changing its orbit by a tiny amount. It's still not clear if this was a physical collision, or the effect of DART's rocket plume hitting MUBLCOM. Tracking data show MUBLCOM in a 739 x 749 km orbit prior to the rendezvous and 741 x 750 km afterwards. In any case, this is bad news for the robotic rendezvous tech, as you want to avoid unwanted collisions above all - software should have aborted the approach if there was a chance of hitting the target. After the mission, DART's HAPS stage fired again on Apr 18 to lower its orbit to 394 x 746 km." |
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