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Philae's first touchdown seen by Rosetta's NavCam - Annotated

Philae's first touchdown seen by Rosetta's NavCam - Annotated

Date: 14 November 2014
Satellite: Rosetta
Depicts: First touchdown on comet 67P/Churyumov-Gerasimenko
Copyright: See below

The animated image provides strong evidence that Philae touched down for the first time almost precisely where intended. The animation comprises images recorded by the navigation camera (NAVCAM) on board Rosetta as the orbiter flew over the (intended) Philae landing site on 12 November.

The images were taken at 15:30:32 UTC and 15:35:32 UTC onboard spacecraft time. The landing time was 15:34:06 UTC onboard the spacecraft, between the timestamps of the two images.

The first image is thus 3 min 34 sec before touchdown. At this time, Philae was approximately 250m above the surface. The second image is 1 min 26 seconds after first touchdown. The touchdown is seen as a dark area, which is considered as strong indication that the lander touched down at this spot (possibly raising dust from the impact). The third image in the sequence is the same as the second, with the likely position of Philae and its shadow highlighted.

They were taken from a distance of about 15 km from the surface, giving an approximate scale of 1.3 m per pixel.

Credit: ESA/Rosetta/NAVCAM, CC BY-SA IGO 3.0
This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 IGO License. Creative Commons License

Last Update: 1 September 2019
20-Jul-2024 09:46 UT

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