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 |
| 2026 Feb 28 18:56 | 2026 Feb 28 07:47:15 | 97.2975 | 0.00063 | 22.1802 | 71.5626 | 288.6327 | 15.71415 | – |
| 2026 Feb 27 19:05 | 2026 Feb 27 05:48:18 | 97.2978 | 0.00066 | 22.1048 | 72.1230 | 288.6327 | 15.71415 | – |
| 2026 Feb 26 20:45 | 2026 Feb 26 06:52:36 | 97.2971 | 0.00066 | 22.0382 | 74.8379 | 288.6327 | 15.71415 | – |
| 2026 Feb 05 18:58 | 2026 Feb 05 12:05:40 | 97.2999 | 0.00064 | 20.5937 | 117.5511 | 288.6327 | 15.71415 | – |
| 2026 Feb 04 18:57 | 2026 Feb 04 06:59:48 | 97.3004 | 0.00063 | 20.5096 | 118.9300 | 288.6327 | 15.71415 | – |
| 2026 Feb 03 18:56 | 2026 Feb 03 06:29:27 | 97.3003 | 0.00061 | 20.4388 | 120.7057 | 288.6327 | 15.71415 | – |
| 2026 Feb 02 18:56 | 2026 Feb 02 07:30:52 | 97.3011 | 0.00060 | 20.3724 | 123.7173 | 288.6327 | 15.71415 | – |
| 2026 Feb 01 18:56 | 2026 Feb 01 07:00:16 | 97.3011 | 0.00059 | 20.3016 | 125.8071 | 288.6327 | 15.71415 | – |