2009-013A
ESA Earth Explorer 2 Mission, the Gravity Field and Steady State Ocean Circulation Explorer. Built by Thales/Torino with an Astrium-D platform. Launch by Rokot from Plesetsk in 2009 Mar. Control from ESOC via Kiruna ground station.
Mass 1200 kg. Oct cyl 5.3 long 1.0m dia. + 2 fins Orbit 250 x 260 x 96.5.
| GOCE | |||
| Date | Time | Event | Orbit |
|---|---|---|---|
| 2009 Mar 16 | 1421:17s | Launch | PL |
| T+1:58 MD2 on | |||
| T+2:00 St 1 MECO | |||
| T+2:02 St 1 sep | |||
| T+2:04 MD2 off | |||
| T+2:48 GO sep | |||
| T+5:03 Stage 2 MECO | |||
| 1426:22 | T+5:05 Stage 2 sep | -4072 x 222 x 96.17 | |
| T+5:11 Briz-M MES-1 | |||
| T+5:12 SOZ-1 CO | |||
| 1435:36 | T+14:19 MECO-1 | 153 x 262 x 96.3 | |
| T+1:18:05 SOZ-2 | |||
| T+1:18:10 MES-2 | |||
| T+1:18:12 SOZ-2 CO | |||
| 1539:40 | T+1:18:22 MECO-2 | 282 x 304 x 96.7 | |
| 1551:35 | T+1:30:18 Briz-M sep | ||
| GOCE orbit | 272 x 290 x 96.71 | ||
| 1638:53 | T+2:17:36 SOZ-3 | ||
| 1639:23 | T+2:18:06 SOZ-3 CO | 233 x 283 x 96.6 | |
| 2009 Mar 23 | 90.13 272 x 289 x 96.7 SSO 0600LTDN | ||
| 2009 Apr 14 | 90.06 267 x 286 x 96.7 | ||
| 2009 May 6 | 89.98 260 x 286 x 96.7 | ||
| 2009 May 8 | Orbit trim? | ||
| 2009 Jun 8 | 89.93 259 x 281 x 96.7 | ||
| 2009 Aug 8 | 89.81 254 x 274 x 96.6 | ||
| 2010 Mar 8 | 89.67 253 x 262 x 96.6 | ||
| 2010 Aug 9 | 89.68 252 x 264 x 96.6 | ||
| 2010 Aug 22 | 89.75 258 x 266 x 96.6 SSO 0630LTDN | ||
| 2011 Aug 18 | 89.67 254 x 261 x 96.6 SSO 0650LTDN | ||
| 2012 Aug 27 | 89.51 248 x 252 x 96.6 SSO 0707LTDN | ||
| 2012 Sep 16 | 89.49 245 x 253 x 96.6 | ||
| 2012 Nov 7 | 89.47 244 x 251 x 96.6 | ||
| 2012 Nov 16 | Orbit lower | ||
| 2012 Nov 28 | 89.37 240 x 245 x 96.7 | ||
| 2013 Jan 31 | 89.36 239 x 246 x 96.7 | ||
| 2013 Feb 5 | Orbit lower | ||
| 2013 Feb 16 | 89.25 235 x 239 x 96.6 | ||
| 2013 May 20 | 89.25 235 x 239 x 96.6 | ||
| 2013 May 21 | Orbit lower | ||
| 2013 Jun 3 | 89.05 223 x 231 x 96.6 | ||
| 2013 Sep 11 | 89.05 221 x 233 x 96.7 | ||
| 2013 Nov 10 | 0530 | 87.48 144 x 154 x 96.5 | |
| 2013 Nov 10 | 2242 | Last comm pass | |
| 2013 Nov 10 | 2300 | 86.82 110 x 122 x 96.7 | |
| 2013 Nov 11 | 0016 | Entry over 60W 56S | |
Payload:
- IPA Ion Propulsion Assembly micropropulsion system (Xe ion thruster x2) 1-20 mN with 40 kg Xe.
- EGG Electrostatic Gravity Gradiometer
- SSTI Satellite to Satellite Tracking Instrument (GPS based); antennae are on fins which enhance aerodynamic stability.
- LRR Laser retro reflector
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