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 Apr 03 17:56 | 2025 Mar 31 18:21:05 | 14.3725 | 0.00042 | 23.3172 | 139.2917 | 31.2847 | 1.00244 | – |
| 2025 Apr 02 17:57 | 2025 Mar 31 18:21:05 | 14.3725 | 0.00042 | 23.3172 | 139.2917 | 31.2847 | 1.00244 | – |
| 2025 Apr 01 17:56 | 2025 Mar 31 18:21:05 | 14.3725 | 0.00042 | 23.3172 | 139.2917 | 31.2847 | 1.00244 | – |
| 2025 Mar 31 17:56 | 2025 Mar 20 19:26:38 | 14.3776 | 0.00035 | 23.3227 | 151.0756 | 31.2847 | 1.00244 | – |
| 2025 Mar 30 17:57 | 2025 Mar 20 19:26:38 | 14.3776 | 0.00035 | 23.3227 | 151.0756 | 31.2847 | 1.00244 | – |
| 2025 Mar 29 18:56 | 2025 Mar 20 19:26:38 | 14.3776 | 0.00035 | 23.3227 | 151.0756 | 31.2847 | 1.00244 | – |
| 2025 Mar 28 18:57 | 2025 Mar 20 19:26:38 | 14.3776 | 0.00035 | 23.3227 | 151.0756 | 31.2847 | 1.00244 | – |
| 2025 Mar 27 18:56 | 2025 Mar 20 19:26:38 | 14.3776 | 0.00035 | 23.3227 | 151.0756 | 31.2847 | 1.00244 | – |
| 2025 Mar 26 18:57 | 2025 Mar 20 19:26:38 | 14.3776 | 0.00035 | 23.3227 | 151.0756 | 31.2847 | 1.00244 | – |
| 2025 Mar 25 18:57 | 2025 Mar 20 19:26:38 | 14.3776 | 0.00035 | 23.3227 | 151.0756 | 31.2847 | 1.00244 | – |
| 2025 Mar 24 18:57 | 2025 Mar 20 19:26:38 | 14.3776 | 0.00035 | 23.3227 | 151.0756 | 31.2847 | 1.00244 | – |
| 2025 Mar 23 18:58 | 2025 Mar 20 19:26:38 | 14.3776 | 0.00035 | 23.3227 | 151.0756 | 31.2847 | 1.00244 | – |
| 2025 Mar 22 18:58 | 2025 Mar 20 19:26:38 | 14.3776 | 0.00035 | 23.3227 | 151.0756 | 31.2847 | 1.00244 | – |
| 2025 Mar 21 18:57 | 2025 Mar 20 19:26:38 | 14.3776 | 0.00035 | 23.3227 | 151.0756 | 31.2847 | 1.00244 | – |
| 2025 Mar 20 18:57 | 2025 Mar 13 18:32:44 | 14.3810 | 0.00036 | 23.3262 | 151.0867 | 31.2847 | 1.00244 | – |
| 2025 Mar 19 18:57 | 2025 Mar 13 18:32:44 | 14.3810 | 0.00036 | 23.3262 | 151.0867 | 31.2847 | 1.00244 | – |
| 2025 Mar 18 18:56 | 2025 Mar 13 18:32:44 | 14.3810 | 0.00036 | 23.3262 | 151.0867 | 31.2847 | 1.00244 | – |
| 2025 Mar 17 18:56 | 2025 Mar 13 18:32:44 | 14.3810 | 0.00036 | 23.3262 | 151.0867 | 31.2847 | 1.00244 | – |
| 2025 Mar 16 18:56 | 2025 Mar 13 18:32:44 | 14.3810 | 0.00036 | 23.3262 | 151.0867 | 31.2847 | 1.00244 | – |
| 2025 Mar 15 18:56 | 2025 Mar 08 17:11:17 | 14.3833 | 0.00035 | 23.3287 | 151.1462 | 31.2847 | 1.00244 | – |
| 2025 Mar 14 18:56 | 2025 Mar 08 17:11:17 | 14.3833 | 0.00035 | 23.3287 | 151.1462 | 31.2847 | 1.00244 | – |
| 2025 Mar 13 18:57 | 2025 Mar 08 17:11:17 | 14.3833 | 0.00035 | 23.3287 | 151.1462 | 31.2847 | 1.00244 | – |
| 2025 Mar 11 18:56 | 2025 Mar 08 17:11:17 | 14.3833 | 0.00035 | 23.3287 | 151.1462 | 31.2847 | 1.00244 | – |
| 2025 Mar 10 18:56 | 2025 Mar 08 17:11:17 | 14.3833 | 0.00035 | 23.3287 | 151.1462 | 31.2847 | 1.00244 | – |
| 2025 Mar 09 18:57 | 2025 Mar 03 21:04:38 | 14.3855 | 0.00035 | 23.3312 | 151.0549 | 31.2847 | 1.00244 | – |
| 2025 Mar 07 18:56 | 2025 Mar 03 21:04:38 | 14.3855 | 0.00035 | 23.3312 | 151.0549 | 31.2847 | 1.00244 | – |