Orbital elements of TIANQI-21
| Launched | 4 September 2023 |
| Flight ended | – |
| Launch site | Sea Launch Platform (mobile) |
| Owner | People's Republic of China |
| NORAD ID | 57792 |
| 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 Dec 07 18:56 | 2025 Dec 07 05:05:13 | 49.9713 | 0.00134 | 16.0005 | 309.2368 | 50.7356 | 14.23007 | – |
| 2025 Dec 06 18:56 | 2025 Dec 06 05:29:27 | 49.9714 | 0.00134 | 16.2762 | 305.7475 | 50.7356 | 14.23007 | – |
| 2025 Dec 05 18:57 | 2025 Dec 05 05:53:42 | 49.9716 | 0.00134 | 16.5519 | 302.2578 | 50.7356 | 14.23007 | – |
| 2025 Dec 04 18:57 | 2025 Dec 04 04:36:49 | 49.9718 | 0.00134 | 16.8474 | 298.5206 | 50.7356 | 14.23007 | – |
| 2025 Dec 03 18:56 | 2025 Dec 03 11:45:33 | 49.9719 | 0.00135 | 17.0443 | 296.0322 | 50.7356 | 14.23007 | – |
| 2025 Dec 02 18:56 | 2025 Dec 02 08:47:33 | 49.9721 | 0.00135 | 17.3594 | 292.0392 | 50.7356 | 14.23007 | – |
| 2025 Nov 30 18:57 | 2025 Nov 30 14:39:24 | 49.9725 | 0.00135 | 17.8518 | 285.7973 | 50.7356 | 14.23007 | – |
| 2025 Nov 29 18:56 | 2025 Nov 29 04:56:53 | 49.9727 | 0.00135 | 18.2457 | 280.7981 | 50.7356 | 14.23007 | – |
| 2025 Nov 28 18:57 | 2025 Nov 28 03:39:59 | 49.9728 | 0.00135 | 18.5411 | 277.0819 | 50.7356 | 14.23007 | – |
| 2025 Nov 27 18:57 | 2025 Nov 27 05:45:21 | 49.9728 | 0.00135 | 18.7971 | 273.8554 | 50.7356 | 14.23007 | – |
| 2025 Nov 26 18:57 | 2025 Nov 26 11:12:58 | 49.9729 | 0.00135 | 19.0138 | 271.1447 | 50.7356 | 14.23007 | – |
| 2025 Nov 25 18:57 | 2025 Nov 25 11:37:12 | 49.9729 | 0.00135 | 19.2895 | 267.7159 | 50.7356 | 14.23007 | – |
| 2025 Nov 24 18:56 | 2025 Nov 24 10:20:18 | 49.9730 | 0.00135 | 19.5849 | 264.0181 | 50.7356 | 14.23007 | – |
| 2025 Nov 23 18:57 | 2025 Nov 23 09:03:24 | 49.9730 | 0.00135 | 19.8803 | 260.2796 | 50.7356 | 14.23007 | – |
| 2025 Nov 21 18:57 | 2025 Nov 21 03:07:21 | 49.9730 | 0.00135 | 20.5106 | 252.3039 | 50.7356 | 14.23007 | – |
| 2025 Nov 20 18:56 | 2025 Nov 20 05:12:43 | 49.9730 | 0.00135 | 20.7666 | 249.0706 | 50.7356 | 14.23007 | – |
| 2025 Nov 18 18:57 | 2025 Nov 18 11:04:33 | 49.9729 | 0.00135 | 21.2589 | 242.8166 | 50.7356 | 14.23007 | – |
| 2025 Nov 16 18:58 | 2025 Nov 15 19:01:43 | 49.9729 | 0.00135 | 22.0073 | 233.4546 | 50.7356 | 14.23007 | – |
| 2025 Nov 15 18:57 | 2025 Nov 15 08:54:57 | 49.9729 | 0.00135 | 22.1255 | 231.9656 | 50.7356 | 14.23007 | – |
| 2025 Nov 13 18:56 | 2025 Nov 13 13:05:39 | 49.9729 | 0.00136 | 22.6376 | 225.5698 | 50.7356 | 14.23007 | – |
| 2025 Nov 12 18:57 | 2025 Nov 12 05:04:14 | 49.9730 | 0.00136 | 23.0117 | 220.9301 | 50.7356 | 14.23007 | – |
| 2025 Nov 11 18:55 | 2025 Nov 11 07:09:34 | 49.9731 | 0.00136 | 23.2678 | 217.7051 | 50.7356 | 14.23007 | – |
| 2025 Nov 10 18:57 | 2025 Nov 08 18:28:58 | 49.9734 | 0.00136 | 23.9768 | 208.8933 | 50.7356 | 14.23007 | – |