Orbital elements of KEPLER-21
| Launched | 14 April 2023 |
| Flight ended | – |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | Canada |
| NORAD ID | 56218 |
| 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 Nov 16 18:58 | 2025 Nov 15 15:19:40 | 97.3027 | 0.00080 | 14.9530 | 84.8362 | 275.3808 | 15.59047 | – |
| 2025 Nov 15 18:57 | 2025 Nov 14 16:13:15 | 97.3025 | 0.00080 | 14.8871 | 86.8494 | 275.3808 | 15.59047 | – |
| 2025 Nov 13 18:56 | 2025 Nov 13 06:19:40 | 97.3021 | 0.00080 | 14.7905 | 89.2786 | 275.3808 | 15.59047 | – |
| 2025 Nov 12 18:57 | 2025 Nov 12 07:12:59 | 97.3022 | 0.00079 | 14.7246 | 91.6590 | 275.3808 | 15.59047 | – |
| 2025 Nov 11 18:55 | 2025 Nov 11 06:33:41 | 97.3022 | 0.00080 | 14.6543 | 93.5766 | 275.3808 | 15.59047 | – |
| 2025 Nov 10 18:57 | 2025 Nov 08 16:55:00 | 97.3026 | 0.00079 | 14.4785 | 100.2625 | 275.3808 | 15.59047 | – |
| 2025 Nov 09 18:57 | 2025 Nov 08 16:55:00 | 97.3026 | 0.00079 | 14.4785 | 100.2625 | 275.3808 | 15.59047 | – |
| 2025 Nov 08 18:56 | 2025 Nov 08 06:07:40 | 97.3026 | 0.00079 | 14.4478 | 100.6678 | 275.3808 | 15.59047 | – |
| 2025 Nov 07 18:57 | 2025 Nov 07 07:00:27 | 97.3031 | 0.00078 | 14.3819 | 103.0411 | 275.3808 | 15.59047 | – |
| 2025 Nov 05 18:57 | 2025 Nov 04 17:20:46 | 97.3037 | 0.00077 | 14.2063 | 109.1693 | 275.3808 | 15.59047 | – |
| 2025 Nov 04 18:57 | 2025 Nov 04 06:33:16 | 97.3036 | 0.00077 | 14.1756 | 110.2577 | 275.3808 | 15.59047 | – |
| 2025 Nov 03 18:57 | 2025 Nov 02 11:23:06 | 97.3035 | 0.00075 | 14.0527 | 114.8474 | 275.3808 | 15.59047 | – |
| 2025 Nov 02 18:57 | 2025 Nov 02 11:23:06 | 97.3035 | 0.00075 | 14.0527 | 114.8474 | 275.3808 | 15.59047 | – |
| 2025 Nov 01 18:58 | 2025 Oct 31 17:45:11 | 97.3030 | 0.00074 | 13.9341 | 119.3609 | 275.3808 | 15.59047 | – |
| 2025 Oct 31 18:57 | 2025 Oct 31 06:57:32 | 97.3023 | 0.00074 | 13.9035 | 120.3118 | 275.3808 | 15.59047 | – |
| 2025 Oct 30 18:57 | 2025 Oct 30 06:17:08 | 97.3021 | 0.00073 | 13.8332 | 122.8945 | 275.3808 | 15.59047 | – |
| 2025 Oct 29 18:57 | 2025 Oct 29 07:09:09 | 97.3024 | 0.00071 | 13.7674 | 125.1764 | 275.3808 | 15.59047 | – |
| 2025 Oct 28 18:57 | 2025 Oct 27 16:35:41 | 97.3027 | 0.00069 | 13.6577 | 129.5288 | 275.3808 | 15.59047 | – |
| 2025 Oct 27 18:57 | 2025 Oct 27 05:47:53 | 97.3028 | 0.00069 | 13.6270 | 130.7549 | 275.3808 | 15.59047 | – |
| 2025 Oct 26 18:57 | 2025 Oct 26 11:17:19 | 97.3029 | 0.00068 | 13.5743 | 132.6658 | 275.3808 | 15.59047 | – |
| 2025 Oct 25 17:57 | 2025 Oct 25 05:58:51 | 97.3029 | 0.00067 | 13.4910 | 135.3983 | 275.3808 | 15.59047 | – |
| 2025 Oct 24 17:57 | 2025 Oct 23 23:07:41 | 97.3033 | 0.00065 | 13.4033 | 138.7808 | 275.3808 | 15.59047 | – |
| 2025 Oct 22 17:56 | 2025 Oct 22 03:55:50 | 97.3037 | 0.00062 | 13.2805 | 144.1223 | 275.3808 | 15.59047 | – |
| 2025 Oct 21 17:56 | 2025 Oct 20 16:26:37 | 97.3038 | 0.00061 | 13.1796 | 148.9366 | 275.3808 | 15.59047 | – |