Orbital elements of NOAA 21
| Launched | 9 November 2022 |
| Flight ended | – |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 54234 |
| Alternative names |
JPSS-2 |
| 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 May 18 17:57 | 2025 May 18 04:18:07 | 98.7264 | 0.00008 | 5.1585 | 196.0019 | 164.1134 | 14.19532 | – |
| 2025 May 17 17:57 | 2025 May 17 02:55:38 | 98.7264 | 0.00007 | 5.0891 | 200.8333 | 164.1134 | 14.19532 | – |
| 2025 May 16 17:56 | 2025 May 15 20:28:39 | 98.7263 | 0.00006 | 5.0057 | 208.4929 | 164.1134 | 14.19532 | – |
| 2025 May 15 17:57 | 2025 May 14 20:47:39 | 98.7263 | 0.00006 | 4.9409 | 214.6300 | 164.1134 | 14.19532 | – |
| 2025 May 14 17:56 | 2025 May 13 21:06:40 | 98.7263 | 0.00006 | 4.8761 | 219.8161 | 164.1134 | 14.19532 | – |
| 2025 May 13 17:56 | 2025 May 13 12:39:10 | 98.7263 | 0.00005 | 4.8529 | 221.8977 | 164.1134 | 14.19532 | – |
| 2025 May 12 17:56 | 2025 May 12 04:30:41 | 98.7263 | 0.00005 | 4.7650 | 233.1333 | 164.1134 | 14.19532 | – |
| 2025 May 11 17:56 | 2025 May 11 03:08:12 | 98.7261 | 0.00005 | 4.6955 | 242.9788 | 164.1134 | 14.19532 | – |
| 2025 May 10 17:56 | 2025 May 09 22:22:43 | 98.7260 | 0.00004 | 4.6168 | 255.6710 | 164.1134 | 14.19532 | – |
| 2025 May 09 17:57 | 2025 May 08 21:00:14 | 98.7258 | 0.00004 | 4.5473 | 266.5447 | 164.1134 | 14.19532 | – |
| 2025 May 08 17:56 | 2025 May 08 12:32:44 | 98.7258 | 0.00004 | 4.5242 | 269.5335 | 164.1134 | 14.19532 | – |
| 2025 May 07 17:56 | 2025 May 07 04:24:15 | 98.7256 | 0.00005 | 4.4362 | 282.6735 | 164.1134 | 14.19532 | – |
| 2025 May 06 17:57 | 2025 May 05 20:15:46 | 98.7254 | 0.00005 | 4.3483 | 295.8900 | 164.1134 | 14.19532 | – |
| 2025 May 05 17:56 | 2025 May 04 22:16:17 | 98.7253 | 0.00005 | 4.2881 | 303.9312 | 164.1134 | 14.19532 | – |
| 2025 May 04 17:57 | 2025 May 04 12:07:17 | 98.7253 | 0.00005 | 4.2603 | 307.9152 | 164.1134 | 14.19532 | – |
| 2025 May 03 17:57 | 2025 May 03 05:40:18 | 98.7252 | 0.00006 | 4.1770 | 316.7074 | 164.1134 | 14.19532 | – |
| 2025 May 02 17:57 | 2025 May 01 19:50:18 | 98.7252 | 0.00007 | 4.0844 | 322.8862 | 164.1134 | 14.19532 | – |
| 2025 May 01 17:56 | 2025 Apr 28 20:47:20 | 98.7250 | 0.00008 | 3.8899 | 338.6974 | 164.1134 | 14.19532 | – |
| 2025 Apr 30 17:56 | 2025 Apr 28 20:47:20 | 98.7250 | 0.00008 | 3.8899 | 338.6974 | 164.1134 | 14.19532 | – |
| 2025 Apr 29 17:57 | 2025 Apr 28 20:47:20 | 98.7250 | 0.00008 | 3.8899 | 338.6974 | 164.1134 | 14.19532 | – |
| 2025 Apr 27 17:56 | 2025 Apr 27 12:38:50 | 98.7249 | 0.00009 | 3.8020 | 343.5286 | 164.1134 | 14.19532 | – |
| 2025 Apr 26 17:57 | 2025 Apr 26 11:16:21 | 98.7248 | 0.00010 | 3.7325 | 346.0641 | 164.1134 | 14.19532 | – |
| 2025 Apr 25 17:56 | 2025 Apr 25 03:07:51 | 98.7246 | 0.00010 | 3.6446 | 351.0044 | 164.1134 | 14.19532 | – |
| 2025 Apr 24 17:56 | 2025 Apr 23 20:40:52 | 98.7247 | 0.00012 | 3.5612 | 350.3018 | 164.1134 | 14.19532 | – |
| 2025 Apr 23 17:57 | 2025 Apr 22 20:59:55 | 98.7243 | 0.00014 | 3.4965 | 5.3471 | 164.1134 | 14.19532 | – |
| 2025 Apr 22 17:56 | 2025 Apr 22 12:32:26 | 98.7243 | 0.00014 | 3.4733 | 6.7248 | 164.1134 | 14.19532 | – |
| 2025 Apr 21 17:57 | 2025 Apr 21 04:24:02 | 98.7241 | 0.00015 | 3.3854 | 8.9368 | 164.1134 | 14.19532 | – |