Thursday, January 22, 2015

Estrela do Sul

 2004-001A


Loral Skynet do Brasil's Estrela do Sul 1 (EDS-1, Telstar 14) is an LS-1300 with 36 Ku-band tsp and two spot beams. It will operate at 63W. Launch by Zenit-3SL No. 12 with Blok DM-SL No. 9L in 2004 Jan. Also known as Telstar 14; not registered with the UN by the USA, so presumably intended to be registered by Brasil. Mass 4694 kg.

The north solar array failed to deploy completely after launch; only three of five panels deployed. There was some concern a launch vehicle fairing problem might have been the cause, but in 2012 it was discovered that a solar panel manufacturing problem was to blame. The satellite was retired in 2011.


Telstar 14 
 

DateTimeEventOrbit  

2004 Jan 11  0412:59 Launch by Zenit-3SL No. 12 
 0415 T+2:29 St 1 sep 
 0416 T+3:13 Fairing sep
 0420  T+7:? St 2 MECO 
  T+8:00 Verniers in burn  
  T+8:50? St 2 VECO 
 0421 T+8:50 St 2 sep  -2222 x 244 x 0 
 0421 DM-SL adapter sep 
 0422:00 T+9:00 DM-SL MES-1 
 0426:31 T+13:35s MECO-1 214 km  180 x 913 x 0 
 0501:58 T+49:04 DM-SL MES-2 over Africa 
 0508s T+55:07 MECO-2  756 x 35929 x 0 
 0521:41 T+1:08:42 DM-SL sep   
  T+6:12:19 Apogee 1  760 x 35786 x 0  
2004 Jan 11?   Solar arrays partial deploy 
2004 Jan 21    641.09 745 x 35755 x 0.1 
2004 Jan 27    811.45 8927 x 35952 x 0.2 
2004 Jan 29    956.99 14535 x 36145 x 0.4 
2004 Feb 3    1348.65 31381 x 36732 x 0.1 
2004 Feb 4  1940?  LAM 
2004 Feb 5    1459.59 35728 x 36761 x 0.1 GEO 59.4W+6W/d 
2004 Mar 11    1436.12 35777 x 35796 x 0.0 GEO 63.3W 
2005 Dec 21    1436.14 35778 x 35796 x 0.0 GEO 63.1W 
2006 Aug 3    1436.13 35780 x 35793 x 0.0 GEO 63.1W 
2011 Aug 5    1436.11 35768 x 35805 x 0.1 GEO 63.0W 
2011 Sep 30   Arrive 109W 
2011 Oct 5    1436.14 35775 x 35799 x 0.2 GEO 109.3W 
2011 Nov 14    1436.22 35766 x 35811 x 0.3 GEO 109.4W 

Tuesday, January 20, 2015

Yaogan 6

 -021A


China launched the Yaogan 6 "China remote sensing satellite No. 6" (Zhongguo yaogan weixing liuhao). It was built by the Shanghai hangtian jishu yanjiuyuan (Shanghai Academy of Space Technology, SAST), part of the Zhongguo hangtian keji jituan gongsi (China Aerospace Research and Technology Corp., CASC).

Launch was by CZ-2C. Five objects have been cataloged in orbit, with the presumed payload in a 484 x 516 km x 97.7 deg orbit and the remaining objects in 330-490 x 540-650 km orbits. These objects may be the second stage separation motors; it is possible that the second stage was suborbital, as on some previous Yaogan launches. Orbit is 1000 LTDN SSO. The satellite is thought to be a radar mission.

Yaogan 6 underwent natural decay until 2012 May when it reboosted its orbit and then maintained the higher altitude with regular burns until 2014 Jul, with a final burn lowering the orbit followed by natural decay.


YW6 
 

DateTimeEventOrbit  

2009 Apr 22  0255  Launch by CZ-2C   
 0301?  CZ-2C VECO 
 0303? Stage 2 sep 
 0303? Sep-motor covers sep 
2009 Apr 22    94.69 487 x 520 x 97.6  
2009 Apr 25    94.63 489 x 511 x 97.6 
  Orbit raise 94.83 509 x 511 x 97.6 
2009 Apr 26   94.87 511 x 512 x 97.8 
2009 May 3    94.87 511 x 513 x 97.6 
2009 Sep 25    94.87 509 x 514 x 97.6 
2010 Feb 26    94.85 510 x 511 x 97.6 
2011 Jan 19    94.79 507 x 509 x 97.6 
2011 Jul 23    94.73 504 x 505 x 97.6 
2012 May 19    94.49 492 x 495 x 97.5 
2012 May 23    94.54 490 x 501 x 97.5 
2012 May 24   Orbit raise  94.76 504 x 509 x 97.4 
2012 May 25   Orbit raise 94.88 511 x 514 x 97.3 
2012 Nov 23    94.76 505 x 508 x 97.3 
2012 Nov 24  Orbit raise  94.87 511 x 512 x 97.3 
2013 Jun 20    94.86 510 x 513 x 97.3 
2014 Jan 22    94.79 507 x 509 x 97.3 
2014 Jan 23   Orbit raise  94.88 512 x 513 x 97.3 
2014 May 17    94.78 506 x 509 x 97.3 
2014 May 18   Orbit raise 94.89 513 x 513 x 97.3 
2014 Jul 3    94.87 509 x 514 x 97.3 
2014 Jul 4?   Orbit lower, depletion? 
2014 Jul 7    94.74 482 x 528 x 97.2 

Spot 7

 2014-034A


Spot Image/EADS Astrium 2 meter res imaging satellite to replace Spot 5. Launch with CanX-4, CanX-5, and AISat into 1000 LTDN SSO. In Dec 2014, sold to Azercosmos as Azersky; imaging outside Azeri region to continue being marketed by SPOT Image.


SPOT 7/Azersky 
 

DateTimeEventOrbit  

2014 Jun 30  0422 Launch by PSLV-C23  SHAR 
  T+1:50 St 1 sep 53 km 1.55 km/s 
  T+1:51 St 2 burn 
  T+3:07 Heat Shield sep 131 km 2.257 km/s 
  T+4:22 St 2 sep 219 km 3.572 km/s 
  T+4:23 St 3 burn 220 km 3.568 km/s 
 0430 T+8:41 St 3 sep 537 km 5.3448 km/s 
 0430 T+8:51 St 4 burn 546 km 5.331 km/s 
 0439 T+17:17 St 4 MECO 659 km 7.521 km/s 
 0439 T+17:54 SPOT 7 sep 
 0440 T+18:34 AISAT sep 
 0441 T+19:03 NLS7.1 CAN X4 
 0441 T+19:33 NLS7.2 CAN X5 
 0441 T+19:58 VELOX-1 sep 
2014 Jul 3    97.77 642 x 660 x 98.3 
2014 Jul 4   Begin orbit raising 
2014 Jul 5    98.36 679 x 681 x 98.3 
2014 Jul 7    98.68 694 x 696 x 98.2 
2014 Jul 9    97.71 694 x 699 x 98.2 
2014 Jul 16    98.82 696 x 699 x 98.2 

Payload:

  • 2.2m res pan camera

  • Multispectral camera, R, G, B, NIR, 8m res

Sunday, January 18, 2015

TanDem-X

 2010-030A


Duplicate of TerraSar-X. Mass 1341 kg full 1221 dry, Astrobus platform. Infoterra, an Astrium subsid, will market the data.


T-X 
 

DateTimeEventOrbit  

2010 Jun 21  0214:08 Launch by Dnepr  KB LC109 
  T+4:38 St 2 sep from upper stage 
  T+4:42 Fairing sep 
  Stage 3 shutdown 
 0229:33 T+15:25 Stage 3 sep 
2010 Sep 20 km behind TerraSAR-X 
2010 Oct 15   Rendevous with TerraSAR-X at 350m 
  Co-orbit with TerraSAR-X 
2013 Aug 6   Begin orientation swap with TSX 

Payload:

  • TDX-SAR X-band SAR

  • Spotlight mode, 1m res, 5 x 10 km

  • Strip map mode, 30 km swath, 3 m res

  • Scan mode, 100 km swath, 16m res.

  • Propulsion module

  • LCT Tesat Laser data relay terminal (EADS/DLR)

  • TOR (Tracking Occultation, and Ranging Instrument Package); GPS receiver, laser reflector; GFZ/UoTx

November 20,2006

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