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 Apr 02 17:57 | 2025 Apr 01 20:54:08 | 98.7219 | 0.00024 | 2.1172 | 46.9646 | 313.1727 | 14.19569 | – |
| 2025 Apr 01 17:56 | 2025 Mar 31 19:31:42 | 98.7219 | 0.00024 | 2.0478 | 49.0746 | 313.1727 | 14.19569 | – |
| 2025 Mar 31 17:56 | 2025 Mar 31 12:45:42 | 98.7218 | 0.00024 | 2.0292 | 49.6848 | 313.1727 | 14.19569 | – |
| 2025 Mar 30 17:57 | 2025 Mar 30 04:37:16 | 98.7217 | 0.00024 | 1.9413 | 51.7773 | 313.1727 | 14.19569 | – |
| 2025 Mar 29 18:56 | 2025 Mar 29 08:19:19 | 98.7216 | 0.00025 | 1.8858 | 53.2947 | 313.1727 | 14.19569 | – |
| 2025 Mar 28 18:57 | 2025 Mar 27 20:47:53 | 98.7214 | 0.00025 | 1.7886 | 56.0726 | 313.1727 | 14.19569 | – |
| 2025 Mar 27 18:56 | 2025 Mar 26 21:06:56 | 98.7213 | 0.00026 | 1.7238 | 57.7126 | 313.1727 | 14.19569 | – |
| 2025 Mar 26 18:57 | 2025 Mar 26 04:11:58 | 98.7212 | 0.00026 | 1.6776 | 58.8834 | 313.1727 | 14.19569 | – |
| 2025 Mar 25 18:57 | 2025 Mar 24 23:26:32 | 98.7210 | 0.00026 | 1.5989 | 60.8295 | 313.1727 | 14.19569 | – |
| 2025 Mar 24 18:57 | 2025 Mar 23 22:04:04 | 98.7208 | 0.00026 | 1.5295 | 62.5838 | 313.1727 | 14.19569 | – |
| 2025 Mar 23 18:58 | 2025 Mar 22 22:23:07 | 98.7206 | 0.00027 | 1.4647 | 64.3609 | 313.1727 | 14.19569 | – |
| 2025 Mar 22 18:58 | 2025 Mar 21 21:00:40 | 98.7206 | 0.00027 | 1.3953 | 65.9062 | 313.1727 | 14.19569 | – |
| 2025 Mar 21 18:57 | 2025 Mar 21 12:33:11 | 98.7206 | 0.00027 | 1.3722 | 66.7551 | 313.1727 | 14.19569 | – |
| 2025 Mar 20 18:57 | 2025 Mar 20 04:24:44 | 98.7205 | 0.00027 | 1.2843 | 69.0199 | 313.1727 | 14.19569 | – |
| 2025 Mar 19 18:57 | 2025 Mar 19 13:11:16 | 98.7205 | 0.00027 | 1.2426 | 70.1141 | 313.1727 | 14.19569 | – |
| 2025 Mar 18 18:56 | 2025 Mar 18 01:39:49 | 98.7204 | 0.00027 | 1.1455 | 72.5437 | 313.1727 | 14.19569 | – |
| 2025 Mar 17 18:56 | 2025 Mar 16 20:54:22 | 98.7203 | 0.00027 | 1.0668 | 74.6074 | 313.1727 | 14.19569 | – |
| 2025 Mar 16 18:56 | 2025 Mar 15 21:13:24 | 98.7202 | 0.00027 | 1.0020 | 76.2764 | 313.1727 | 14.19569 | – |
| 2025 Mar 15 18:56 | 2025 Mar 15 12:45:55 | 98.7202 | 0.00027 | 0.9789 | 77.0175 | 313.1727 | 14.19569 | – |
| 2025 Mar 14 18:56 | 2025 Mar 14 04:37:28 | 98.7200 | 0.00028 | 0.8910 | 79.5129 | 313.1727 | 14.19569 | – |
| 2025 Mar 13 18:57 | 2025 Mar 13 13:23:59 | 98.7198 | 0.00028 | 0.8494 | 80.4315 | 313.1727 | 14.19569 | – |
| 2025 Mar 11 18:56 | 2025 Mar 11 12:20:33 | 98.7195 | 0.00028 | 0.7152 | 83.7287 | 313.1727 | 14.19569 | – |
| 2025 Mar 10 18:56 | 2025 Mar 10 12:39:35 | 98.7193 | 0.00028 | 0.6504 | 85.5623 | 313.1727 | 14.19569 | – |
| 2025 Mar 09 18:57 | 2025 Mar 09 02:49:38 | 98.7191 | 0.00028 | 0.5579 | 88.0763 | 313.1727 | 14.19569 | – |
| 2025 Mar 07 18:56 | 2025 Mar 06 15:37:13 | 98.7189 | 0.00027 | 0.3960 | 91.9652 | 313.1727 | 14.19569 | – |