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 |
| 2025 Sep 12 17:57 | 2025 Sep 08 20:05:08 | 56.4017 | 0.00059 | 4.8295 | 36.7138 | 323.3798 | 1.86231 | – |
| 2025 Sep 11 17:57 | 2025 Sep 08 20:05:08 | 56.4017 | 0.00059 | 4.8295 | 36.7138 | 323.3798 | 1.86231 | – |
| 2025 Sep 10 17:56 | 2025 Sep 08 20:05:08 | 56.4017 | 0.00059 | 4.8295 | 36.7138 | 323.3798 | 1.86231 | – |
| 2025 Sep 08 17:57 | 2025 Sep 07 05:25:31 | 56.3999 | 0.00059 | 4.8330 | 36.3386 | 323.3798 | 1.86231 | – |
| 2025 Sep 07 17:56 | 2025 Sep 07 05:25:31 | 56.3999 | 0.00059 | 4.8330 | 36.3386 | 323.3798 | 1.86231 | – |
| 2025 Sep 06 20:41 | 2025 Sep 05 01:52:40 | 56.3977 | 0.00059 | 4.8378 | 35.9272 | 323.3798 | 1.86231 | – |
| 2025 Sep 03 17:57 | 2025 Aug 30 04:07:18 | 56.3923 | 0.00060 | 4.8508 | 34.6611 | 323.3798 | 1.86231 | – |
| 2025 Sep 02 17:56 | 2025 Aug 30 04:07:18 | 56.3923 | 0.00060 | 4.8508 | 34.6611 | 323.3798 | 1.86231 | – |
| 2025 Sep 01 17:56 | 2025 Aug 30 04:07:18 | 56.3923 | 0.00060 | 4.8508 | 34.6611 | 323.3798 | 1.86231 | – |
| 2025 Aug 31 17:56 | 2025 Aug 30 04:07:18 | 56.3923 | 0.00060 | 4.8508 | 34.6611 | 323.3798 | 1.86231 | – |
| 2025 Aug 30 17:56 | 2025 Aug 26 22:48:01 | 56.3900 | 0.00061 | 4.8579 | 33.8855 | 323.3798 | 1.86231 | – |
| 2025 Aug 29 17:56 | 2025 Aug 26 22:48:01 | 56.3900 | 0.00061 | 4.8579 | 33.8855 | 323.3798 | 1.86231 | – |
| 2025 Aug 28 17:57 | 2025 Aug 26 22:48:01 | 56.3900 | 0.00061 | 4.8579 | 33.8855 | 323.3798 | 1.86231 | – |
| 2025 Aug 27 17:56 | 2025 Aug 25 21:01:36 | 56.3892 | 0.00062 | 4.8602 | 33.5470 | 323.3798 | 1.86231 | – |
| 2025 Aug 26 17:56 | 2025 Aug 24 06:21:59 | 56.3878 | 0.00063 | 4.8638 | 33.2032 | 323.3798 | 1.86231 | – |
| 2025 Aug 25 17:56 | 2025 Aug 24 06:21:59 | 56.3878 | 0.00063 | 4.8638 | 33.2032 | 323.3798 | 1.86231 | – |
| 2025 Aug 24 17:56 | 2025 Aug 18 21:29:51 | 56.3827 | 0.00065 | 4.8756 | 31.7636 | 323.3798 | 1.86231 | – |
| 2025 Aug 23 17:56 | 2025 Aug 18 21:29:51 | 56.3827 | 0.00065 | 4.8756 | 31.7636 | 323.3798 | 1.86231 | – |
| 2025 Aug 22 17:56 | 2025 Aug 18 21:29:51 | 56.3827 | 0.00065 | 4.8756 | 31.7636 | 323.3798 | 1.86231 | – |
| 2025 Aug 20 17:56 | 2025 Aug 18 21:29:51 | 56.3827 | 0.00065 | 4.8756 | 31.7636 | 323.3798 | 1.86231 | – |
| 2025 Aug 19 17:56 | 2025 Aug 18 21:29:51 | 56.3827 | 0.00065 | 4.8756 | 31.7636 | 323.3798 | 1.86231 | – |
| 2025 Aug 18 17:56 | 2025 Aug 17 06:50:11 | 56.3811 | 0.00065 | 4.8792 | 31.4337 | 323.3798 | 1.86231 | – |
| 2025 Aug 16 17:56 | 2025 Aug 14 14:24:07 | 56.3784 | 0.00065 | 4.8851 | 30.8015 | 323.3798 | 1.86231 | – |