Orbital elements of BD C21
| Launched | 11 February 2018 |
| Flight ended | – |
| Launch site | Xichang Launch Facility, PRC |
| Owner | People's Republic of China |
| NORAD ID | 43207 |
| Alternative names |
BEIDOU-3 M4 BEIDOU 28 SVN C205 |
| 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 Feb 05 18:58 | 2026 Feb 05 02:38:53 | 56.5339 | 0.00059 | 4.5002 | 350.0981 | 9.9512 | 1.86231 | – |
| 2026 Feb 04 18:57 | 2026 Feb 04 13:45:40 | 56.5335 | 0.00058 | 4.5014 | 350.5096 | 9.9512 | 1.86231 | – |
| 2026 Feb 03 18:56 | 2026 Feb 02 23:06:03 | 56.5321 | 0.00058 | 4.5050 | 351.0423 | 9.9512 | 1.86231 | – |
| 2026 Feb 02 18:56 | 2026 Feb 02 10:12:50 | 56.5316 | 0.00058 | 4.5062 | 351.0299 | 9.9512 | 1.86231 | – |
| 2026 Feb 01 18:56 | 2026 Feb 01 08:26:24 | 56.5303 | 0.00057 | 4.5086 | 351.1010 | 9.9512 | 1.86231 | – |
| 2026 Jan 31 18:56 | 2026 Jan 30 17:46:45 | 56.5288 | 0.00057 | 4.5121 | 351.1271 | 9.9512 | 1.86231 | – |
| 2026 Jan 30 18:57 | 2026 Jan 30 04:53:32 | 56.5282 | 0.00057 | 4.5133 | 351.4752 | 9.9512 | 1.86231 | – |
| 2026 Jan 29 18:56 | 2026 Jan 29 03:07:06 | 56.5270 | 0.00056 | 4.5157 | 351.3928 | 9.9512 | 1.86231 | – |
| 2026 Jan 28 18:56 | 2026 Jan 27 12:27:26 | 56.5253 | 0.00055 | 4.5193 | 351.2597 | 9.9512 | 1.86231 | – |
| 2026 Jan 27 18:56 | 2026 Jan 27 12:27:26 | 56.5253 | 0.00055 | 4.5193 | 351.2597 | 9.9512 | 1.86231 | – |
| 2026 Jan 26 18:57 | 2026 Jan 24 20:01:22 | 56.5225 | 0.00055 | 4.5252 | 350.8091 | 9.9512 | 1.86231 | – |
| 2026 Jan 25 18:57 | 2026 Jan 24 20:01:22 | 56.5225 | 0.00055 | 4.5252 | 350.8091 | 9.9512 | 1.86231 | – |
| 2026 Jan 24 18:58 | 2026 Jan 23 18:14:56 | 56.5215 | 0.00053 | 4.5276 | 350.8977 | 9.9512 | 1.86231 | – |
| 2026 Jan 22 18:56 | 2026 Jan 20 00:02:27 | 56.5182 | 0.00051 | 4.5359 | 351.9040 | 9.9512 | 1.86231 | – |
| 2026 Jan 21 18:56 | 2026 Jan 20 00:02:27 | 56.5182 | 0.00051 | 4.5359 | 351.9040 | 9.9512 | 1.86231 | – |
| 2026 Jan 20 19:06 | 2026 Jan 20 00:02:27 | 56.5182 | 0.00051 | 4.5359 | 351.9040 | 9.9512 | 1.86231 | – |
| 2026 Jan 19 18:57 | 2026 Jan 17 20:29:35 | 56.5165 | 0.00050 | 4.5406 | 352.6396 | 9.9512 | 1.86231 | – |
| 2026 Jan 18 18:57 | 2026 Jan 17 07:36:22 | 56.5163 | 0.00050 | 4.5418 | 352.0210 | 9.9512 | 1.86231 | – |
| 2026 Jan 17 18:56 | 2026 Jan 17 07:36:22 | 56.5163 | 0.00050 | 4.5418 | 352.0210 | 9.9512 | 1.86231 | – |
| 2026 Jan 16 18:57 | 2026 Jan 14 15:10:16 | 56.5141 | 0.00049 | 4.5477 | 352.5264 | 9.9512 | 1.86231 | – |
| 2026 Jan 15 18:56 | 2026 Jan 14 15:10:16 | 56.5141 | 0.00049 | 4.5477 | 352.5264 | 9.9512 | 1.86231 | – |