2009-071A
Wide Field IR Survey Explorer, MIDEX spacecraft managed by JPL with Ned Wright (UCLA) as PI. 0.4m telescope. Ball Aerospace RS-300 (NextSat derived)
All sky survey 3.5-23 microns. 500 km SSO day-night terminator.
Launch Nov 2009 by Delta 7320-10
Size 2.9m long 2.0 x 1.7m dia.
Mass 661 kg full 645 kg dry.
Cryo cover is hemisphere 0.5?m dia.
| WISE | |||
| Date | Time | Event | Orbit |
|---|---|---|---|
| 2009 Dec 14 | 1409:33 | Launch by Delta II | V SLC3W |
| T+1:04 GEM 1-3 burnout | |||
| T+1:39 GEM 1-3 sep | |||
| T+4:24 MECO | |||
| T+4:38 SEIG-1 | |||
| T+4:56 Fairing sep | |||
| 1419:56 | T+10:23 SECO-1 | 185 x 554 x 97.50 | |
| 1501:13 | T+51:40 SEIG-2 | ||
| 1501:21 | T+51:48 SECO-2 | 522 x 537 x 97.50 | |
| 1504:53 | T+55:20 Stage 2 separation | ||
| 1534:33 | T+1:25:00 SES-3 evasive over Arctic | ||
| T+1:25:35 SECO-3 | 530? x 2110? | ||
| 1604:33 | T+1:55:00 SES-4 depletion over circa 155W 15S | ||
| T+1:55:46 SECO-4 at 2400 km | 2113 x 11086 x 97.5 | ||
| 2009 Dec 29 | 2230 | T+16d Cryostat cover ejection | |
| 2010 Jul 17 | First sky survey completed | ||
| Half-sky second epoch begun | |||
| 2010 Aug | Cryogen running out | ||
| 2010 Sep 29 | Cryogen depleted | ||
| 2010 Oct | Begin NEOWISE warm survey | ||
| 2011 Feb 17 | 2000 | Hibernation mode, transmitter off | |
| 2013 Jan? | Verified healthy in hibernation | ||
| 2014 Jan | NEOWISE resumes | ||
Payload:
- IR telescope, 40 cm aperture at 12K
- Cryostat 1.9m long 1.2m dia
- 15.7 kg frozen solid H2
- IR instrument (SDL-Utah/UCLA/Wright) with 4 IR detectors: 3.4, 4.6, 12 and 22 micron bands with 47' FOV and 6" (12" at 22 mu) res.
- 3.4mu and 4.6mu 1024x1024 pixel HgCdTe at 32K
- 12, 22 mu 1024x1024 pixel SiAs at 8K
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