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 May 16 17:56 | 2026 May 15 10:43:36 | 56.6235 | 0.00079 | 4.2819 | 8.9950 | 350.9990 | 1.86231 | – |
| 2026 May 15 17:57 | 2026 May 13 20:03:58 | 56.6222 | 0.00078 | 4.2854 | 8.4475 | 350.9990 | 1.86231 | – |
| 2026 May 14 17:58 | 2026 May 13 20:03:58 | 56.6222 | 0.00078 | 4.2854 | 8.4475 | 350.9990 | 1.86231 | – |
| 2026 May 13 17:58 | 2026 May 12 05:24:19 | 56.6208 | 0.00078 | 4.2890 | 6.5048 | 350.9990 | 1.86231 | – |
| 2026 May 12 17:58 | 2026 May 11 03:37:53 | 56.6202 | 0.00078 | 4.2913 | 5.9408 | 350.9990 | 1.86231 | – |
| 2026 May 11 17:56 | 2026 May 11 03:37:53 | 56.6202 | 0.00078 | 4.2913 | 5.9408 | 350.9990 | 1.86231 | – |
| 2026 May 10 17:57 | 2026 May 09 12:58:15 | 56.6190 | 0.00078 | 4.2949 | 5.3490 | 350.9990 | 1.86231 | – |
| 2026 May 09 17:57 | 2026 May 07 22:18:36 | 56.6178 | 0.00077 | 4.2984 | 4.8904 | 350.9990 | 1.86231 | – |
| 2026 May 08 17:57 | 2026 May 07 22:18:36 | 56.6178 | 0.00077 | 4.2984 | 4.8904 | 350.9990 | 1.86231 | – |
| 2026 May 07 17:58 | 2026 May 06 07:38:56 | 56.6164 | 0.00077 | 4.3019 | 3.9740 | 350.9990 | 1.86231 | – |
| 2026 May 06 17:57 | 2026 May 05 18:45:43 | 56.6160 | 0.00077 | 4.3031 | 3.6445 | 350.9990 | 1.86231 | – |
| 2026 May 05 17:57 | 2026 May 05 05:52:30 | 56.6157 | 0.00077 | 4.3042 | 3.5582 | 350.9990 | 1.86231 | – |
| 2026 May 04 17:57 | 2026 May 03 02:19:37 | 56.6141 | 0.00078 | 4.3089 | 3.5188 | 350.9990 | 1.86231 | – |
| 2026 May 03 17:57 | 2026 May 03 02:19:37 | 56.6141 | 0.00078 | 4.3089 | 3.5188 | 350.9990 | 1.86231 | – |
| 2026 May 02 17:57 | 2026 May 01 11:39:58 | 56.6130 | 0.00078 | 4.3125 | 3.2430 | 350.9990 | 1.86231 | – |
| 2026 May 01 17:56 | 2026 May 01 11:39:58 | 56.6130 | 0.00078 | 4.3125 | 3.2430 | 350.9990 | 1.86231 | – |
| 2026 Apr 30 17:56 | 2026 Apr 28 06:20:41 | 56.6102 | 0.00078 | 4.3195 | 2.6598 | 350.9990 | 1.86231 | – |
| 2026 Apr 29 17:57 | 2026 Apr 28 06:20:41 | 56.6102 | 0.00078 | 4.3195 | 2.6598 | 350.9990 | 1.86231 | – |
| 2026 Apr 28 17:56 | 2026 Apr 28 06:20:41 | 56.6102 | 0.00078 | 4.3195 | 2.6598 | 350.9990 | 1.86231 | – |
| 2026 Apr 27 17:58 | 2026 Apr 27 04:34:15 | 56.6092 | 0.00079 | 4.3219 | 2.3650 | 350.9990 | 1.86231 | – |
| 2026 Apr 26 17:58 | 2026 Apr 25 01:01:24 | 56.6074 | 0.00079 | 4.3266 | 1.7700 | 350.9990 | 1.86231 | – |
| 2026 Apr 25 17:58 | 2026 Apr 25 01:01:24 | 56.6074 | 0.00079 | 4.3266 | 1.7700 | 350.9990 | 1.86231 | – |
| 2026 Apr 24 17:59 | 2026 Apr 23 23:14:58 | 56.6066 | 0.00078 | 4.3290 | 1.4984 | 350.9990 | 1.86231 | – |
| 2026 Apr 23 17:57 | 2026 Apr 21 06:48:53 | 56.6043 | 0.00078 | 4.3349 | 0.9469 | 350.9990 | 1.86231 | – |
| 2026 Apr 22 17:57 | 2026 Apr 21 06:48:53 | 56.6043 | 0.00078 | 4.3349 | 0.9469 | 350.9990 | 1.86231 | – |
| 2026 Apr 21 17:57 | 2026 Apr 21 06:48:53 | 56.6043 | 0.00078 | 4.3349 | 0.9469 | 350.9990 | 1.86231 | – |
| 2026 Apr 20 17:57 | 2026 Apr 20 05:02:26 | 56.6034 | 0.00078 | 4.3373 | 0.9793 | 350.9990 | 1.86231 | – |
| 2026 Apr 19 17:58 | 2026 Apr 19 03:16:00 | 56.6025 | 0.00078 | 4.3396 | 0.7833 | 350.9990 | 1.86231 | – |