Orbital elements of GPS 21
| Launched | 30 March 2003 |
| Flight ended | – |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 27704 |
| Alternative names |
USA 168 NAVSTAR 52 GPS BIIR-09 SVN 45 PRN 21 SLOT D3 |
| 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 Mar 16 18:57 | 2026 Mar 16 02:03:20 | 54.8672 | 0.00046 | 21.9115 | 344.7145 | 147.5224 | 1.94743 | – |
| 2026 Mar 15 18:56 | 2026 Mar 15 03:01:44 | 54.8678 | 0.00046 | 21.9139 | 344.3718 | 147.5224 | 1.94743 | – |
| 2026 Mar 14 18:56 | 2026 Mar 14 02:12:24 | 54.8684 | 0.00046 | 21.9165 | 343.9874 | 147.5224 | 1.94743 | – |
| 2026 Mar 13 18:57 | 2026 Mar 11 13:01:38 | 54.8698 | 0.00046 | 21.9230 | 343.0100 | 147.5224 | 1.94743 | – |
| 2026 Mar 12 18:57 | 2026 Mar 11 13:01:38 | 54.8698 | 0.00046 | 21.9230 | 343.0100 | 147.5224 | 1.94743 | – |
| 2026 Mar 11 18:56 | 2026 Mar 11 13:01:38 | 54.8698 | 0.00046 | 21.9230 | 343.0100 | 147.5224 | 1.94743 | – |
| 2026 Mar 10 18:56 | 2026 Mar 09 09:56:55 | 54.8711 | 0.00047 | 21.9284 | 342.1081 | 147.5224 | 1.94743 | – |
| 2026 Mar 09 18:56 | 2026 Mar 09 09:56:55 | 54.8711 | 0.00047 | 21.9284 | 342.1081 | 147.5224 | 1.94743 | – |
| 2026 Mar 08 18:57 | 2026 Mar 05 20:16:18 | 54.8733 | 0.00047 | 21.9374 | 340.6393 | 147.5224 | 1.94743 | – |
| 2026 Mar 07 18:57 | 2026 Mar 05 20:16:18 | 54.8733 | 0.00047 | 21.9374 | 340.6393 | 147.5224 | 1.94743 | – |
| 2026 Mar 06 18:56 | 2026 Mar 05 20:16:18 | 54.8733 | 0.00047 | 21.9374 | 340.6393 | 147.5224 | 1.94743 | – |
| 2026 Mar 05 18:56 | 2026 Mar 05 04:08:09 | 54.8737 | 0.00047 | 21.9391 | 340.3188 | 147.5224 | 1.94743 | – |
| 2026 Mar 04 18:57 | 2026 Mar 04 02:10:58 | 54.8744 | 0.00048 | 21.9419 | 339.8678 | 147.5224 | 1.94743 | – |
| 2026 Mar 03 18:56 | 2026 Mar 02 06:39:02 | 54.8755 | 0.00048 | 21.9465 | 339.1265 | 147.5224 | 1.94743 | – |
| 2026 Mar 02 18:57 | 2026 Mar 02 06:39:02 | 54.8755 | 0.00048 | 21.9465 | 339.1265 | 147.5224 | 1.94743 | – |
| 2026 Mar 01 18:57 | 2026 Feb 28 18:17:40 | 54.8764 | 0.00048 | 21.9503 | 338.3188 | 147.5224 | 1.94743 | – |
| 2026 Feb 28 18:56 | 2026 Feb 28 05:25:28 | 54.8768 | 0.00048 | 21.9517 | 338.0809 | 147.5224 | 1.94743 | – |
| 2026 Feb 27 19:05 | 2026 Feb 25 16:22:31 | 54.8783 | 0.00048 | 21.9581 | 336.8953 | 147.5224 | 1.94743 | – |
| 2026 Feb 26 20:45 | 2026 Feb 25 16:22:31 | 54.8783 | 0.00048 | 21.9581 | 336.8953 | 147.5224 | 1.94743 | – |