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 |
| 2024 May 20 17:57 | 2024 May 20 06:35:26 | 97.3652 | 0.00059 | 2.4417 | 255.5788 | 104.4803 | 15.29609 | – |
| 2024 May 19 17:55 | 2024 May 18 23:11:21 | 97.3651 | 0.00058 | 2.3553 | 262.0022 | 104.4803 | 15.29609 | – |
| 2024 May 18 17:53 | 2024 May 18 04:20:52 | 97.3650 | 0.00058 | 2.3035 | 266.5878 | 104.4803 | 15.29609 | – |
| 2024 May 17 17:53 | 2024 May 17 06:21:56 | 97.3648 | 0.00058 | 2.2430 | 271.1697 | 104.4803 | 15.29609 | – |
| 2024 May 16 17:52 | 2024 May 16 05:14:33 | 97.3646 | 0.00058 | 2.1739 | 276.3268 | 104.4803 | 15.29609 | – |
| 2024 May 15 17:58 | 2024 May 15 04:07:07 | 97.3645 | 0.00057 | 2.1048 | 281.4723 | 104.4803 | 15.29609 | – |
| 2024 May 14 17:55 | 2024 May 13 16:00:08 | 97.3644 | 0.00058 | 2.0055 | 288.7293 | 104.4803 | 15.29609 | – |
| 2024 May 13 17:53 | 2024 May 12 22:43:43 | 97.3645 | 0.00058 | 1.9579 | 291.8684 | 104.4803 | 15.29609 | – |
| 2024 May 12 17:52 | 2024 May 12 11:44:10 | 97.3647 | 0.00058 | 1.9277 | 294.2580 | 104.4803 | 15.29609 | – |
| 2024 May 11 17:53 | 2024 May 11 10:36:37 | 97.3652 | 0.00059 | 1.8586 | 299.4521 | 104.4803 | 15.29609 | – |
| 2024 May 10 17:53 | 2024 May 10 06:20:31 | 97.3654 | 0.00061 | 1.7809 | 305.1477 | 104.4803 | 15.29609 | – |
| 2024 May 09 17:52 | 2024 May 09 05:12:50 | 97.3659 | 0.00061 | 1.7118 | 310.1240 | 104.4803 | 15.29609 | – |
| 2024 May 08 17:52 | 2024 May 07 17:05:29 | 97.3666 | 0.00062 | 1.6125 | 316.8734 | 104.4803 | 15.29609 | – |
| 2024 May 07 17:52 | 2024 May 06 22:14:40 | 97.3667 | 0.00063 | 1.5606 | 320.4045 | 104.4803 | 15.29609 | – |
| 2024 May 06 17:52 | 2024 May 05 22:41:08 | 97.3668 | 0.00064 | 1.4958 | 324.4496 | 104.4803 | 15.29609 | – |
| 2024 May 05 17:52 | 2024 May 05 11:41:29 | 97.3669 | 0.00065 | 1.4656 | 326.5125 | 104.4803 | 15.29609 | – |
| 2024 May 04 17:52 | 2024 May 02 16:09:14 | 97.3663 | 0.00068 | 1.2799 | 338.1017 | 104.4803 | 15.29609 | – |
| 2024 May 03 17:52 | 2024 May 02 16:09:14 | 97.3663 | 0.00068 | 1.2799 | 338.1017 | 104.4803 | 15.29609 | – |
| 2024 May 02 17:52 | 2024 May 01 22:52:35 | 97.3662 | 0.00069 | 1.2324 | 340.9478 | 104.4803 | 15.29609 | – |
| 2024 May 01 17:54 | 2024 May 01 10:18:39 | 97.3661 | 0.00069 | 1.1978 | 343.0877 | 104.4803 | 15.29609 | – |
| 2024 Apr 30 17:57 | 2024 Apr 30 04:28:02 | 97.3659 | 0.00071 | 1.1158 | 347.7555 | 104.4803 | 15.29609 | – |
| 2024 Apr 29 17:52 | 2024 Apr 28 16:20:24 | 97.3661 | 0.00073 | 1.0165 | 353.3094 | 104.4803 | 15.29609 | – |
| 2024 Apr 28 17:52 | 2024 Apr 27 15:12:28 | 97.3665 | 0.00074 | 0.9474 | 357.2071 | 104.4803 | 15.29609 | – |
| 2024 Apr 27 17:58 | 2024 Apr 27 12:03:58 | 97.3665 | 0.00075 | 0.9388 | 357.6467 | 104.4803 | 15.29609 | – |
| 2024 Apr 26 17:54 | 2024 Apr 26 04:38:59 | 97.3666 | 0.00076 | 0.8524 | 2.0388 | 104.4803 | 15.29609 | – |
| 2024 Apr 25 17:55 | 2024 Apr 24 16:31:10 | 97.3674 | 0.00078 | 0.7531 | 8.0493 | 104.4803 | 15.29609 | – |
| 2024 Apr 24 17:53 | 2024 Apr 23 16:57:19 | 97.3679 | 0.00079 | 0.6883 | 11.4840 | 104.4803 | 15.29609 | – |
| 2024 Apr 23 17:53 | 2024 Apr 23 05:57:31 | 97.3680 | 0.00080 | 0.6581 | 13.0492 | 104.4803 | 15.29609 | – |