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 |
| 2025 Jul 03 17:56 | 2025 Jul 03 13:49:34 | 14.3269 | 0.00049 | 23.2699 | 154.2574 | 37.8490 | 1.00279 | – |
| 2025 Jul 02 17:56 | 2025 Jun 28 13:54:14 | 14.3293 | 0.00049 | 23.2725 | 152.5510 | 37.8490 | 1.00279 | – |
| 2025 Jul 01 17:56 | 2025 Jun 28 13:54:14 | 14.3293 | 0.00049 | 23.2725 | 152.5510 | 37.8490 | 1.00279 | – |
| 2025 Jun 30 17:56 | 2025 Jun 28 13:54:14 | 14.3293 | 0.00049 | 23.2725 | 152.5510 | 37.8490 | 1.00279 | – |
| 2025 Jun 29 17:56 | 2025 Jun 28 13:54:14 | 14.3293 | 0.00049 | 23.2725 | 152.5510 | 37.8490 | 1.00279 | – |
| 2025 Jun 28 17:56 | 2025 Jun 28 13:54:14 | 14.3293 | 0.00049 | 23.2725 | 152.5510 | 37.8490 | 1.00279 | – |
| 2025 Jun 27 17:56 | 2025 Jun 22 13:59:41 | 14.3323 | 0.00048 | 23.2756 | 150.7263 | 37.8490 | 1.00279 | – |
| 2025 Jun 26 17:56 | 2025 Jun 22 13:59:41 | 14.3323 | 0.00048 | 23.2756 | 150.7263 | 37.8490 | 1.00279 | – |
| 2025 Jun 25 17:56 | 2025 Jun 22 13:59:41 | 14.3323 | 0.00048 | 23.2756 | 150.7263 | 37.8490 | 1.00279 | – |
| 2025 Jun 24 17:56 | 2025 Jun 22 13:59:41 | 14.3323 | 0.00048 | 23.2756 | 150.7263 | 37.8490 | 1.00279 | – |
| 2025 Jun 23 17:56 | 2025 Jun 22 13:59:41 | 14.3323 | 0.00048 | 23.2756 | 150.7263 | 37.8490 | 1.00279 | – |
| 2025 Jun 22 17:56 | 2025 Jun 16 19:00:46 | 14.3351 | 0.00047 | 23.2786 | 150.4086 | 37.8490 | 1.00279 | – |
| 2025 Jun 21 17:56 | 2025 Jun 16 19:00:46 | 14.3351 | 0.00047 | 23.2786 | 150.4086 | 37.8490 | 1.00279 | – |
| 2025 Jun 20 17:57 | 2025 Jun 16 19:00:46 | 14.3351 | 0.00047 | 23.2786 | 150.4086 | 37.8490 | 1.00279 | – |
| 2025 Jun 19 17:56 | 2025 Jun 16 19:00:46 | 14.3351 | 0.00047 | 23.2786 | 150.4086 | 37.8490 | 1.00279 | – |
| 2025 Jun 18 17:56 | 2025 Jun 16 19:00:46 | 14.3351 | 0.00047 | 23.2786 | 150.4086 | 37.8490 | 1.00279 | – |
| 2025 Jun 17 17:56 | 2025 Jun 16 19:00:46 | 14.3351 | 0.00047 | 23.2786 | 150.4086 | 37.8490 | 1.00279 | – |
| 2025 Jun 16 17:56 | 2025 Jun 11 20:04:03 | 14.3375 | 0.00046 | 23.2811 | 150.3549 | 37.8490 | 1.00279 | – |
| 2025 Jun 15 17:56 | 2025 Jun 11 20:04:03 | 14.3375 | 0.00046 | 23.2811 | 150.3549 | 37.8490 | 1.00279 | – |
| 2025 Jun 14 17:56 | 2025 Jun 11 20:04:03 | 14.3375 | 0.00046 | 23.2811 | 150.3549 | 37.8490 | 1.00279 | – |
| 2025 Jun 13 17:56 | 2025 Jun 11 20:04:03 | 14.3375 | 0.00046 | 23.2811 | 150.3549 | 37.8490 | 1.00279 | – |
| 2025 Jun 12 17:56 | 2025 Jun 11 20:04:03 | 14.3375 | 0.00046 | 23.2811 | 150.3549 | 37.8490 | 1.00279 | – |
| 2025 Jun 11 17:56 | 2025 Jun 05 21:22:28 | 14.3406 | 0.00047 | 23.2840 | 149.3719 | 37.8490 | 1.00279 | – |
| 2025 Jun 10 17:56 | 2025 Jun 05 21:22:28 | 14.3406 | 0.00047 | 23.2840 | 149.3719 | 37.8490 | 1.00279 | – |
| 2025 Jun 09 17:56 | 2025 Jun 05 21:22:28 | 14.3406 | 0.00047 | 23.2840 | 149.3719 | 37.8490 | 1.00279 | – |
| 2025 Jun 08 17:56 | 2025 Jun 05 21:22:28 | 14.3406 | 0.00047 | 23.2840 | 149.3719 | 37.8490 | 1.00279 | – |
| 2025 Jun 07 17:56 | 2025 Jun 05 21:22:28 | 14.3406 | 0.00047 | 23.2840 | 149.3719 | 37.8490 | 1.00279 | – |
| 2025 Jun 06 17:56 | 2025 Jun 05 21:22:28 | 14.3406 | 0.00047 | 23.2840 | 149.3719 | 37.8490 | 1.00279 | – |