2005-024A
SJ-7 carried space environment detectors. Expected life span was three years. The satellite is also called Tansuo-2 and so may be related to Tansuo-1 (SW-1).
Phillip Clark was the first to note in public that the satellite made small orbit adjustments, raising and lowering the orbit by 10 km or so, staying in the 550-580 km altitude regime. The eccentricity varied while the orbital period remained relatively stable.
SJ-7 may have been a Shanghai satellite. The satellite was used as a target satellite in 2013 and 2014.
| SJ7 | |||
| Date | Time | Event | Orbit |
|---|---|---|---|
| 2005 Jul 5 | 2240 | Launch by CZ-2D | JQ |
| 2252 | Stage 2 sep | ||
| 2005 Jul 6 | 95.82 546 x 571 x 97.6 | ||
| 2005 Jul 28 | 95.89 553 x 569 x 97.6 | ||
| 2005 Jul 29 | 95.93 556 x 570 x 97.6 | ||
| 2005 Jul 30 | 95.94 557 x 570 x 97.6 | ||
| 2005 Sep 17 | 95.95 554 x 573 x 97.6 | ||
| 2005 Nov 21 | 95.94 557 x 570 x 97.6 | ||
| 2005 Nov 22 | 95.88 551 x 570 x 97.6 | ||
| 2005 Dec 2 | 95.88 550 x 570 x 97.6 | ||
| 2005 Dec 3 | 95.93 555 x 572 x 97.6 | ||
| 2006 Jan 18 | 95.93 555 x 571 x 97.6 | ||
| 2006 Jan 18 | 95.90 556 x 567 x 97.6 | ||
| 2006 Mar 16 | 95.88 556 x 565 x 97.6 | ||
| 2006 Mar 16 | 95.92 560 x 565 x 97.6 | ||
| 2006 Mar 17 | 95.94 562 x 565 x 97.6 | ||
| 2006 Apr 21 | 95.93 560 x 567 x 97.6 | ||
| 2006 Apr 22 | 95.94 560 x 567 x 97.6 | ||
| 2006 Jun 19 | 95.94 561 x 565 x 97.6 | ||
| 2006 Jul 12 | 95.93 560 x 566 x 97.6 | ||
| 2006 Jul 13 | 95.79 554 x 559 x 97.6 | ||
| 2006 Jul 27 | 95.79 553 x 560 x 97.6 | ||
| 2006 Jul 28 | 95.85 552 x 566 x 97.6 | ||
| 2006 Jul 29 | 95.90 552 x 571 x 97.6 | ||
| 2006 Jul 30 | 95.93 552 x 574 x 97.6 | ||
| 2007 Jan 16 | 95.94 554 x 572 x 97.6 | ||
| 2007 May 4 | 95.94 555 x 572 x 97.6 | ||
| 2008 Apr 21 | 95.95 554 x 573 x 97.6 | ||
| 2008 Apr 21 | 96.03 554 x 581 x 97.6 | ||
| 2008 Apr 22 | 96.03 556 x 579 x 97.6 | ||
| 2008 May 2 | 96.03 555 x 580 x 97.6 | ||
| 2008 May 2 | 96.00 554 x 579 x 97.6 | ||
| 2008 May 3 | 95.95 551 x 577 x 97.6 | ||
| 2008 Aug 21 | 95.94 551 x 576 x 97.6 | ||
| 2008 Aug 22 | 95.78 540 x 571 x 97.6 | ||
| 2008 Aug 23 | 95.74 540 x 567 x 97.6 | ||
| 2008 Sep 3 | 95.90 542 x 581 x 97.7 | ||
| 2008 Sep 5 | 95.95 543 x 585 x 97.7 | ||
| 2008 Sep 28 | 95.95 543 x 584 x 97.7 | ||
| 2008 Sep 28 | 96.03 545 x 591 x 97.7 | ||
| 2008 Oct 6 | 96.07 545 x 594 x 97.7 | ||
| 2008 Oct 20 | 96.07 546 x 593 x 97.7 | ||
| 2008 Oct 20 | 96.00 543 x 589 x 97.7 | ||
| 2008 Oct 21 | 95.95 540 x 587 x 97.7 | ||
| 2009 Jan 1 | 95.94 539 x 588 x 97.7 | ||
| 2009 Jan 6 | 95.78 533 x 579 x 97.7 | ||
| 2009 Jan 8 | 95.62 526 x 570 x 97.7 | ||
| 2009 Jan 8 | 95.54 525 x 564 x 97.7 | ||
| 2009 Jan 9 | 95.53 520 x 557 x 97.7 | ||
| 2009 Jan 11 | 95.33 521 x 547 x 97.7 | ||
| 2009 Jan 13 | 95.26 519 x 543 x 97.7 | ||
| 2009 Jul 1 | 95.26 516 x 545 x 97.7 | ||
| 2010 Jul 1 | 95.23 517 x 542 x 97.7 | ||
| 2011 Jul 1 | 95.20 513 x 542 x 97.7 | ||
| 2012 Mar 1 | 95.16 513 x 539 x 97.7 | ||
| 2012 Apr 20 | 95.14 511 x 538 x 97.7 | ||
| 2012 Apr 21 | 95.24 516 x 543 x 97.7 | ||
| 2012 Apr 22 | 95.34 516 x 553 x 97.7 | ||
| 2012 Apr 23 | 95.58 526 x 566 x 97.7 | ||
| 2012 Apr 24 | 95.65 524 x 575 x 97.7 | ||
| 2012 Apr 25 | 95.81 530 x 585 x 97.7 | ||
| 2012 Apr 26 | 95.90 533 x 590 x 97.7 | ||
| 2012 Apr 27 | 95.89 535 x 587 x 97.7 | ||
| 2012 Apr 28 | 95.93 533 x 593 x 97.7 | ||
| 2012 Jul 1 | 95.93 537 x 589 x 97.7 | ||
| 2012 Dec 10 | 95.92 534 x 591 x 97.7 | ||
| 2012 Dec 10 | 96.01 535 x 599 x 97.7 | ||
| 2012 Dec 11 | 96.09 539 x 603 x 97.7 | ||
| 2012 Dec 12 | 96.17 540 x 609 x 97.7 | ||
| 2012 Dec 13 | 96.24 544 x 612 x 97.7 | ||
| 2013 Jan 1 | 96.24 545 x 611 x 97.7 | ||
| 2013 Jan 10 | 96.24 545 x 610 x 97.7 | ||
| 2013 Jan 11 | 96.32 553 x 610 x 97.7 | ||
| 2013 Jan 12 | 96.39 560 x 610 x97.7 | ||
| 2013 Jan 13 | 96.45 565 x 611 x 97.7 | ||
| 2013 Aug 1 | 96.43 563 x 611 x 97.7 | ||
| 2013 Aug 18 | 96.43 564 x 610 x 97.7 | ||
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