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 Mar 17 18:56 | 2026 Mar 14 22:19:17 | 14.2034 | 0.00015 | 23.1420 | 177.1770 | 70.7361 | 1.00316 | – |
| 2026 Mar 16 18:57 | 2026 Mar 14 22:19:17 | 14.2034 | 0.00015 | 23.1420 | 177.1770 | 70.7361 | 1.00316 | – |
| 2026 Mar 15 18:56 | 2026 Mar 14 22:19:17 | 14.2034 | 0.00015 | 23.1420 | 177.1770 | 70.7361 | 1.00316 | – |
| 2026 Mar 14 18:56 | 2026 Mar 09 17:40:37 | 14.2059 | 0.00016 | 23.1445 | 182.0371 | 70.7361 | 1.00316 | – |
| 2026 Mar 13 18:57 | 2026 Mar 09 17:40:37 | 14.2059 | 0.00016 | 23.1445 | 182.0371 | 70.7361 | 1.00316 | – |
| 2026 Mar 12 18:57 | 2026 Mar 09 17:40:37 | 14.2059 | 0.00016 | 23.1445 | 182.0371 | 70.7361 | 1.00316 | – |
| 2026 Mar 11 18:56 | 2026 Mar 09 17:40:37 | 14.2059 | 0.00016 | 23.1445 | 182.0371 | 70.7361 | 1.00316 | – |
| 2026 Mar 10 18:56 | 2026 Mar 09 17:40:37 | 14.2059 | 0.00016 | 23.1445 | 182.0371 | 70.7361 | 1.00316 | – |
| 2026 Mar 09 18:56 | 2026 Mar 04 11:52:43 | 14.2085 | 0.00017 | 23.1471 | 182.9124 | 70.7361 | 1.00316 | – |
| 2026 Mar 08 18:57 | 2026 Mar 04 11:52:43 | 14.2085 | 0.00017 | 23.1471 | 182.9124 | 70.7361 | 1.00316 | – |
| 2026 Mar 07 18:57 | 2026 Mar 04 11:52:43 | 14.2085 | 0.00017 | 23.1471 | 182.9124 | 70.7361 | 1.00316 | – |
| 2026 Mar 06 18:56 | 2026 Mar 04 11:52:43 | 14.2085 | 0.00017 | 23.1471 | 182.9124 | 70.7361 | 1.00316 | – |
| 2026 Mar 05 18:56 | 2026 Mar 04 11:52:43 | 14.2085 | 0.00017 | 23.1471 | 182.9124 | 70.7361 | 1.00316 | – |
| 2026 Mar 04 18:57 | 2026 Mar 04 11:52:43 | 14.2085 | 0.00017 | 23.1471 | 182.9124 | 70.7361 | 1.00316 | – |
| 2026 Mar 03 18:56 | 2026 Feb 25 19:50:41 | 14.2116 | 0.00017 | 23.1505 | 184.3457 | 70.7361 | 1.00316 | – |
| 2026 Mar 02 18:57 | 2026 Feb 25 19:50:41 | 14.2116 | 0.00017 | 23.1505 | 184.3457 | 70.7361 | 1.00316 | – |
| 2026 Mar 01 18:57 | 2026 Feb 25 19:50:41 | 14.2116 | 0.00017 | 23.1505 | 184.3457 | 70.7361 | 1.00316 | – |
| 2026 Feb 28 18:56 | 2026 Feb 25 19:50:41 | 14.2116 | 0.00017 | 23.1505 | 184.3457 | 70.7361 | 1.00316 | – |
| 2026 Feb 27 19:05 | 2026 Feb 25 19:50:41 | 14.2116 | 0.00017 | 23.1505 | 184.3457 | 70.7361 | 1.00316 | – |
| 2026 Feb 26 20:45 | 2026 Feb 25 19:50:41 | 14.2116 | 0.00017 | 23.1505 | 184.3457 | 70.7361 | 1.00316 | – |