Orbital elements of STTW-4
| Launched | 3 February 1990 |
| Flight ended | – |
| Launch site | Xichang Launch Facility, PRC |
| Owner | People's Republic of China |
| NORAD ID | 20473 |
| Alternative names |
SHIYAN TONGBU TONGXING WEIXING 4 DONG FANG HONG-2A 4 DFH-2A 4 CHINASAT 3 ZHONGXING 3 ZX 3 |
| Date fetched |
Epoch osculation |
Inc. [°] |
Ecc. | RA asc node [hr] |
Arg Peri. [°] |
Mean anom [°] |
Mean motion [rev/day] |
Abs. mag |
| Date fetched |
Epoch osculation |
Inc. [°] |
Ecc. | RA asc node [hr] |
Arg Peri. [°] |
Mean anom [°] |
Mean motion [rev/day] |
Abs. mag |
| 2026 Aug 02 17:57 | 2026 Jul 31 19:54:27 | 14.1338 | 0.00031 | 23.0717 | 168.0001 | 191.8926 | 1.00267 | – |
| 2026 Aug 01 17:57 | 2026 Jul 31 19:54:27 | 14.1338 | 0.00031 | 23.0717 | 168.0001 | 191.8926 | 1.00267 | – |
| 2026 Jul 31 17:56 | 2026 Jul 26 20:14:12 | 14.1363 | 0.00031 | 23.0742 | 167.7707 | 191.8926 | 1.00267 | – |
| 2026 Jul 30 17:57 | 2026 Jul 26 20:14:12 | 14.1363 | 0.00031 | 23.0742 | 167.7707 | 191.8926 | 1.00267 | – |
| 2026 Jul 29 17:57 | 2026 Jul 26 20:14:12 | 14.1363 | 0.00031 | 23.0742 | 167.7707 | 191.8926 | 1.00267 | – |
| 2026 Jul 28 17:57 | 2026 Jul 26 20:14:12 | 14.1363 | 0.00031 | 23.0742 | 167.7707 | 191.8926 | 1.00267 | – |
| 2026 Jul 27 17:57 | 2026 Jul 26 20:14:12 | 14.1363 | 0.00031 | 23.0742 | 167.7707 | 191.8926 | 1.00267 | – |
| 2026 Jul 26 17:56 | 2026 Jul 20 20:26:21 | 14.1392 | 0.00031 | 23.0772 | 166.0619 | 191.8926 | 1.00267 | – |
| 2026 Jul 25 17:57 | 2026 Jul 20 20:26:21 | 14.1392 | 0.00031 | 23.0772 | 166.0619 | 191.8926 | 1.00267 | – |
| 2026 Jul 24 17:56 | 2026 Jul 20 20:26:21 | 14.1392 | 0.00031 | 23.0772 | 166.0619 | 191.8926 | 1.00267 | – |
| 2026 Jul 23 17:57 | 2026 Jul 20 20:26:21 | 14.1392 | 0.00031 | 23.0772 | 166.0619 | 191.8926 | 1.00267 | – |
| 2026 Jul 22 17:57 | 2026 Jul 20 20:26:21 | 14.1392 | 0.00031 | 23.0772 | 166.0619 | 191.8926 | 1.00267 | – |
| 2026 Jul 21 17:57 | 2026 Jul 20 20:26:21 | 14.1392 | 0.00031 | 23.0772 | 166.0619 | 191.8926 | 1.00267 | – |
| 2026 Jul 20 17:57 | 2026 Jul 15 20:40:50 | 14.1416 | 0.00031 | 23.0798 | 163.1276 | 191.8926 | 1.00267 | – |
| 2026 Jul 19 19:06 | 2026 Jul 15 20:40:50 | 14.1416 | 0.00031 | 23.0798 | 163.1276 | 191.8926 | 1.00267 | – |
| 2026 Jul 19 17:57 | 2026 Jul 15 20:40:50 | 14.1416 | 0.00031 | 23.0798 | 163.1276 | 191.8926 | 1.00267 | – |
| 2026 Jul 18 17:57 | 2026 Jul 15 20:40:50 | 14.1416 | 0.00031 | 23.0798 | 163.1276 | 191.8926 | 1.00267 | – |
| 2026 Jul 17 17:57 | 2026 Jul 15 20:40:50 | 14.1416 | 0.00031 | 23.0798 | 163.1276 | 191.8926 | 1.00267 | – |
| 2026 Jul 16 17:56 | 2026 Jul 15 20:40:50 | 14.1416 | 0.00031 | 23.0798 | 163.1276 | 191.8926 | 1.00267 | – |
| 2026 Jul 15 17:57 | 2026 Jul 11 08:53:31 | 14.1438 | 0.00030 | 23.0822 | 161.3143 | 191.8926 | 1.00267 | – |
| 2026 Jul 14 17:56 | 2026 Jul 11 08:53:31 | 14.1438 | 0.00030 | 23.0822 | 161.3143 | 191.8926 | 1.00267 | – |
| 2026 Jul 13 17:56 | 2026 Jul 11 08:53:31 | 14.1438 | 0.00030 | 23.0822 | 161.3143 | 191.8926 | 1.00267 | – |
| 2026 Jul 12 17:56 | 2026 Jul 11 08:53:31 | 14.1438 | 0.00030 | 23.0822 | 161.3143 | 191.8926 | 1.00267 | – |
| 2026 Jul 11 17:56 | 2026 Jul 11 08:53:31 | 14.1438 | 0.00030 | 23.0822 | 161.3143 | 191.8926 | 1.00267 | – |
| 2026 Jul 09 17:56 | 2026 Jul 04 21:11:40 | 14.1471 | 0.00029 | 23.0855 | 161.0499 | 191.8926 | 1.00267 | – |
| 2026 Jul 08 17:56 | 2026 Jul 04 21:11:40 | 14.1471 | 0.00029 | 23.0855 | 161.0499 | 191.8926 | 1.00267 | – |
| 2026 Jul 07 17:56 | 2026 Jul 04 21:11:40 | 14.1471 | 0.00029 | 23.0855 | 161.0499 | 191.8926 | 1.00267 | – |
| 2026 Jul 06 17:57 | 2026 Jul 04 21:11:40 | 14.1471 | 0.00029 | 23.0855 | 161.0499 | 191.8926 | 1.00267 | – |