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 Aug 24 17:57 | 2026 Aug 24 05:57:53 | 54.7665 | 0.00060 | 21.5112 | 249.9880 | 184.7556 | 1.91455 | – |
| 2026 Aug 23 17:56 | 2026 Aug 23 02:11:36 | 54.7673 | 0.00059 | 21.5141 | 249.8483 | 184.7556 | 1.91455 | – |
| 2026 Aug 22 17:56 | 2026 Aug 22 01:09:34 | 54.7680 | 0.00059 | 21.5166 | 249.6428 | 184.7556 | 1.91455 | – |
| 2026 Aug 21 17:56 | 2026 Aug 20 17:39:25 | 54.7688 | 0.00059 | 21.5198 | 249.4680 | 184.7556 | 1.91455 | – |
| 2026 Aug 20 17:57 | 2026 Aug 20 02:39:59 | 54.7693 | 0.00059 | 21.5214 | 249.6469 | 184.7556 | 1.91455 | – |
| 2026 Aug 19 17:57 | 2026 Aug 18 22:07:55 | 54.7701 | 0.00058 | 21.5243 | 249.3560 | 184.7556 | 1.91455 | – |
| 2026 Aug 18 17:56 | 2026 Aug 17 22:52:38 | 54.7708 | 0.00058 | 21.5266 | 249.2345 | 184.7556 | 1.91455 | – |
| 2026 Aug 17 17:56 | 2026 Aug 16 09:03:49 | 54.7719 | 0.00057 | 21.5305 | 249.1454 | 184.7556 | 1.91455 | – |
| 2026 Aug 16 17:56 | 2026 Aug 16 07:30:29 | 54.7719 | 0.00057 | 21.5306 | 249.2323 | 184.7556 | 1.91455 | – |
| 2026 Aug 15 17:57 | 2026 Aug 15 06:18:42 | 54.7727 | 0.00057 | 21.5332 | 249.1064 | 184.7556 | 1.91455 | – |
| 2026 Aug 14 17:56 | 2026 Aug 14 05:25:34 | 54.7734 | 0.00057 | 21.5357 | 248.9808 | 184.7556 | 1.91455 | – |
| 2026 Aug 13 17:57 | 2026 Aug 11 14:29:39 | 54.7753 | 0.00056 | 21.5422 | 248.7514 | 184.7556 | 1.91455 | – |
| 2026 Aug 12 17:56 | 2026 Aug 11 14:29:39 | 54.7753 | 0.00056 | 21.5422 | 248.7514 | 184.7556 | 1.91455 | – |
| 2026 Aug 11 17:56 | 2026 Aug 09 19:00:00 | 54.7767 | 0.00056 | 21.5466 | 248.5084 | 184.7556 | 1.91455 | – |
| 2026 Aug 10 17:56 | 2026 Aug 09 19:00:00 | 54.7767 | 0.00056 | 21.5466 | 248.5084 | 184.7556 | 1.91455 | – |
| 2026 Aug 09 17:57 | 2026 Aug 07 22:40:10 | 54.7778 | 0.00055 | 21.5511 | 248.5075 | 184.7556 | 1.91455 | – |
| 2026 Aug 08 17:57 | 2026 Aug 07 22:40:10 | 54.7778 | 0.00055 | 21.5511 | 248.5075 | 184.7556 | 1.91455 | – |
| 2026 Aug 07 17:57 | 2026 Aug 06 23:31:36 | 54.7785 | 0.00055 | 21.5535 | 248.4718 | 184.7556 | 1.91455 | – |
| 2026 Aug 06 17:57 | 2026 Aug 05 08:26:07 | 54.7797 | 0.00054 | 21.5575 | 248.4184 | 184.7556 | 1.91455 | – |
| 2026 Aug 05 17:56 | 2026 Aug 04 19:38:13 | 54.7801 | 0.00054 | 21.5588 | 248.4089 | 184.7556 | 1.91455 | – |
| 2026 Aug 04 17:57 | 2026 Aug 03 07:41:54 | 54.7812 | 0.00053 | 21.5624 | 248.3967 | 184.7556 | 1.91455 | – |
| 2026 Aug 03 17:56 | 2026 Aug 02 23:09:07 | 54.7814 | 0.00053 | 21.5633 | 248.3895 | 184.7556 | 1.91455 | – |
| 2026 Aug 02 17:57 | 2026 Jul 31 15:36:55 | 54.7831 | 0.00053 | 21.5690 | 248.2865 | 184.7556 | 1.91455 | – |
| 2026 Aug 01 17:57 | 2026 Jul 31 15:36:55 | 54.7831 | 0.00053 | 21.5690 | 248.2865 | 184.7556 | 1.91455 | – |
| 2026 Jul 31 17:56 | 2026 Jul 29 19:13:30 | 54.7844 | 0.00052 | 21.5735 | 248.1990 | 184.7556 | 1.91455 | – |
| 2026 Jul 30 17:57 | 2026 Jul 29 19:13:30 | 54.7844 | 0.00052 | 21.5735 | 248.1990 | 184.7556 | 1.91455 | – |
| 2026 Jul 29 17:57 | 2026 Jul 28 11:59:24 | 54.7854 | 0.00051 | 21.5767 | 248.2589 | 184.7556 | 1.91455 | – |
| 2026 Jul 28 17:57 | 2026 Jul 27 00:10:46 | 54.7865 | 0.00051 | 21.5803 | 248.3237 | 184.7556 | 1.91455 | – |