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Tempel 1 First Op-Nav
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Caption:
Tempel 1 First Optical Navigation
On Monday, April 25, the Deep Impact spacecraft obtained its first optical navigation (Op-Nav) image of comet Tempel 1. At the time the picture was taken the distance between spacecraft and comet was 64 million kilometers (39.7 million miles) away. The exposure -- known as a "negative image" -- is used by the spacecraft team to assist in navigation and instrument calibration. The spacecraft will start imaging the comet on a regular basis in about 10 days.
Cataloging Keywords:
| Name | Value | Additional Values |
|---|---|---|
| Target | 9P/Tempel | |
| System | Periodic Comets | |
| Target Type | Comet | |
| Mission | Deep Impact | |
| Instrument Host | Deep Impact | |
| Host Type | Impactor | |
| Instrument | Impactor Targeting Sensor (ITS) | |
| Detector | ||
| Extra Keywords | Grayscale, Impact | |
| Acquisition Date | ||
| Release Date | 2005-04-27 | |
| Date in Caption | ||
| Image Credit | NASA/JPL/UMD | |
| Source | photojournal.jpl.nasa.gov/catalog/PIA07880 | |
| Identifier | PIA07880 | |
