2003-052A
CAST/CASTC DFH-3. According to sinodefense.com, this satellite was Shen Tong 1 and used for Ku-band mobile strategic communications.
\uni{ 神通一号}{ }
Mass 2300 kg. Served at 103E from 2003 to 2008, then at 98E.In 2008, ZX-20 and ZX-22A exchanged positions `due to the needs of users'. In 2013, ZX-22A moved slightly and ZX-20 returned to the 103E position.
| ZX-20 | |||
| Date | Time | Event | Orbit |
|---|---|---|---|
| 2003 Nov 14 | 1601 | Launch by CZ-3A | XSC |
| T+2:25 Stage 1 MECO | |||
| T+2:27 Stage 2 MES, Stage 1 sep | |||
| T+3:52 Fairing sep | |||
| T+4:15 St 2 MECO | |||
| T+4:20 St 2 VECO | |||
| T+4:21 St 2 sep, St 3 MES | |||
| 1611? | T+10:19 St 3 MECO-1 | 200 x 200 x 28.5? | |
| 1621? | T+20:00 St 3 MES-2 | |
| 1623? | T+22:00 St 3 MECO-2 | ||
| 1625? | Stage 3 sep | 212 x 41981 x | |
| 2003 Nov 14 | 754.15 198 x 41934 x 24.98 | ||
| 2003 Nov 20 | 1435.96 35770 x 35796 x 0.31 GEO 103.0E | ||
| 2003 Nov 26 | 1436.00 35775 x 35793 x 0.29 GEO 103.0E | ||
| 2006 Aug 8 | 1436.13 35770 x 35804 x 0.1 GEO 103.0E | ||
| 2008 Jun 7 | 1436.12 35781 x 35793 x 0.1 GEO 103.4E | ||
| 2008 Jun 24 | Still tracked at 103E (error?) | ||
| 2008 Jun 25 | Move in at 98E | 1436.13 35777 x 35796 x 0.1 GEO 98.1E | |
| 2011 Oct 19 | 1436.03 35775 x 35795 x 0.0 GEO 98.1E | ||
| 2012 Nov | NSSK ends | ||
| 2013 Apr 6 | 1436.07 35763 x 35808 x 0.4 GEO 98.0E | ||
| 2013 Apr 17 | Move out, drift E | ||
| 2013 May 11 | Move in at 103.2E | ||
| 2013 May 20 | 1436.01 35773 x 35796 x 0.5 GEO 103.2E | ||
| 2015 Nov 15 | 1436.12 35765 x 35808 x 1.4 GEO 103.3E | ||
| 2017 Dec 19 | 1436.19 35768 x 35808 x 3.9 GEO 103.1E | ||