Orbital elements of YAOGAN-21
| Launched | 7 September 2014 |
| Flight ended | – |
| Launch site | Taiyuan Space Center, PRC |
| Owner | People's Republic of China |
| NORAD ID | 40143 |
| 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 12 18:57 | 2026 Mar 12 14:50:17 | 97.1615 | 0.00102 | 7.7355 | 77.7438 | 282.4939 | 15.24981 | – |
| 2026 Mar 11 18:56 | 2026 Mar 11 12:03:58 | 97.1616 | 0.00102 | 7.6644 | 81.4854 | 282.4939 | 15.24981 | – |
| 2026 Mar 10 18:56 | 2026 Mar 10 12:26:37 | 97.1615 | 0.00101 | 7.6016 | 83.9398 | 282.4939 | 15.24981 | – |
| 2026 Mar 09 18:56 | 2026 Mar 09 12:49:15 | 97.1613 | 0.00101 | 7.5389 | 87.0111 | 282.4939 | 15.24981 | – |
| 2026 Mar 08 18:57 | 2026 Mar 08 13:11:52 | 97.1615 | 0.00102 | 7.4761 | 89.8490 | 282.4939 | 15.24981 | – |
| 2026 Mar 07 18:57 | 2026 Mar 07 15:08:58 | 97.1617 | 0.00102 | 7.4175 | 92.5964 | 282.4939 | 15.24981 | – |
| 2026 Mar 06 18:56 | 2026 Mar 06 15:31:32 | 97.1618 | 0.00102 | 7.3547 | 95.0480 | 282.4939 | 15.24981 | – |
| 2026 Mar 05 18:56 | 2026 Mar 05 14:19:36 | 97.1619 | 0.00101 | 7.2877 | 98.3288 | 282.4939 | 15.24981 | – |
| 2026 Mar 04 18:57 | 2026 Mar 04 14:42:09 | 97.1622 | 0.00101 | 7.2249 | 101.2517 | 282.4939 | 15.24981 | – |
| 2026 Mar 03 18:56 | 2026 Mar 03 11:55:42 | 97.1630 | 0.00102 | 7.1538 | 104.5764 | 282.4939 | 15.24981 | – |
| 2026 Mar 02 18:57 | 2026 Mar 02 15:27:13 | 97.1632 | 0.00100 | 7.0994 | 106.8165 | 282.4939 | 15.24981 | – |
| 2026 Mar 01 18:57 | 2026 Mar 01 12:40:43 | 97.1638 | 0.00100 | 7.0283 | 110.3531 | 282.4939 | 15.24981 | – |
| 2026 Feb 28 18:56 | 2026 Feb 28 13:03:13 | 97.1640 | 0.00100 | 6.9655 | 112.8580 | 282.4939 | 15.24981 | – |
| 2026 Feb 27 19:05 | 2026 Feb 27 07:07:41 | 97.1648 | 0.00101 | 6.8860 | 117.1964 | 282.4939 | 15.24981 | – |
| 2026 Feb 26 20:45 | 2026 Feb 26 13:48:10 | 97.1647 | 0.00100 | 6.8399 | 119.4193 | 282.4939 | 15.24981 | – |