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 Mar 28 18:57 | 2026 Mar 27 14:01:00 | 56.5822 | 0.00075 | 4.3891 | 354.5630 | 5.4246 | 1.86231 | – |
| 2026 Mar 27 18:57 | 2026 Mar 25 23:21:21 | 56.5806 | 0.00074 | 4.3927 | 354.5881 | 5.4246 | 1.86231 | – |
| 2026 Mar 26 18:57 | 2026 Mar 25 23:21:21 | 56.5806 | 0.00074 | 4.3927 | 354.5881 | 5.4246 | 1.86231 | – |
| 2026 Mar 25 18:56 | 2026 Mar 23 19:48:29 | 56.5783 | 0.00073 | 4.3974 | 353.9353 | 5.4246 | 1.86231 | – |
| 2026 Mar 24 18:56 | 2026 Mar 23 19:48:29 | 56.5783 | 0.00073 | 4.3974 | 353.9353 | 5.4246 | 1.86231 | – |
| 2026 Mar 23 18:56 | 2026 Mar 22 05:08:50 | 56.5768 | 0.00073 | 4.4010 | 353.5510 | 5.4246 | 1.86231 | – |
| 2026 Mar 22 18:56 | 2026 Mar 20 14:29:11 | 56.5751 | 0.00073 | 4.4045 | 353.1874 | 5.4246 | 1.86231 | – |
| 2026 Mar 21 19:05 | 2026 Mar 20 14:29:11 | 56.5751 | 0.00073 | 4.4045 | 353.1874 | 5.4246 | 1.86231 | – |
| 2026 Mar 20 18:57 | 2026 Mar 20 01:35:59 | 56.5746 | 0.00072 | 4.4057 | 352.8116 | 5.4246 | 1.86231 | – |
| 2026 Mar 19 18:56 | 2026 Mar 15 18:30:18 | 56.5703 | 0.00070 | 4.4151 | 351.0447 | 5.4246 | 1.86231 | – |
| 2026 Mar 18 18:56 | 2026 Mar 15 18:30:18 | 56.5703 | 0.00070 | 4.4151 | 351.0447 | 5.4246 | 1.86231 | – |
| 2026 Mar 17 18:56 | 2026 Mar 15 18:30:18 | 56.5703 | 0.00070 | 4.4151 | 351.0447 | 5.4246 | 1.86231 | – |
| 2026 Mar 16 18:57 | 2026 Mar 15 18:30:18 | 56.5703 | 0.00070 | 4.4151 | 351.0447 | 5.4246 | 1.86231 | – |
| 2026 Mar 15 18:56 | 2026 Mar 13 02:04:13 | 56.5678 | 0.00070 | 4.4210 | 350.3592 | 5.4246 | 1.86231 | – |
| 2026 Mar 14 18:56 | 2026 Mar 13 02:04:13 | 56.5678 | 0.00070 | 4.4210 | 350.3592 | 5.4246 | 1.86231 | – |
| 2026 Mar 13 18:57 | 2026 Mar 12 13:11:00 | 56.5673 | 0.00070 | 4.4222 | 349.9873 | 5.4246 | 1.86231 | – |
| 2026 Mar 12 18:57 | 2026 Mar 12 00:17:47 | 56.5669 | 0.00069 | 4.4234 | 349.8331 | 5.4246 | 1.86231 | – |
| 2026 Mar 11 18:56 | 2026 Mar 08 06:05:16 | 56.5636 | 0.00069 | 4.4316 | 349.8988 | 5.4246 | 1.86231 | – |
| 2026 Mar 10 18:56 | 2026 Mar 08 06:05:16 | 56.5636 | 0.00069 | 4.4316 | 349.8988 | 5.4246 | 1.86231 | – |
| 2026 Mar 09 18:56 | 2026 Mar 08 06:05:16 | 56.5636 | 0.00069 | 4.4316 | 349.8988 | 5.4246 | 1.86231 | – |
| 2026 Mar 08 18:57 | 2026 Mar 08 06:05:16 | 56.5636 | 0.00069 | 4.4316 | 349.8988 | 5.4246 | 1.86231 | – |
| 2026 Mar 07 18:57 | 2026 Mar 06 15:25:38 | 56.5621 | 0.00069 | 4.4352 | 350.4806 | 5.4246 | 1.86231 | – |
| 2026 Mar 06 18:56 | 2026 Mar 03 10:06:22 | 56.5592 | 0.00069 | 4.4423 | 350.5022 | 5.4246 | 1.86231 | – |
| 2026 Mar 05 18:56 | 2026 Mar 03 10:06:22 | 56.5592 | 0.00069 | 4.4423 | 350.5022 | 5.4246 | 1.86231 | – |
| 2026 Mar 04 18:57 | 2026 Mar 03 10:06:22 | 56.5592 | 0.00069 | 4.4423 | 350.5022 | 5.4246 | 1.86231 | – |
| 2026 Mar 03 18:56 | 2026 Mar 03 10:06:22 | 56.5592 | 0.00069 | 4.4423 | 350.5022 | 5.4246 | 1.86231 | – |
| 2026 Mar 02 18:57 | 2026 Mar 01 06:33:32 | 56.5572 | 0.00068 | 4.4470 | 350.3261 | 5.4246 | 1.86231 | – |
| 2026 Mar 01 18:57 | 2026 Mar 01 06:33:32 | 56.5572 | 0.00068 | 4.4470 | 350.3261 | 5.4246 | 1.86231 | – |