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 Sep 13 17:58 | 2026 Sep 12 11:38:02 | 54.7534 | 0.00066 | 21.4641 | 252.7897 | 120.6368 | 1.91455 | – |
| 2026 Sep 12 17:58 | 2026 Sep 11 00:00:00 | 54.7544 | 0.00067 | 21.4678 | 252.8733 | 120.6368 | 1.91455 | – |
| 2026 Sep 11 17:57 | 2026 Sep 11 00:00:00 | 54.7544 | 0.00067 | 21.4678 | 252.8733 | 120.6368 | 1.91455 | – |
| 2026 Sep 10 17:57 | 2026 Sep 08 19:27:52 | 54.7559 | 0.00065 | 21.4731 | 252.2321 | 120.6368 | 1.91455 | – |
| 2026 Sep 09 17:57 | 2026 Sep 08 19:27:52 | 54.7559 | 0.00065 | 21.4731 | 252.2321 | 120.6368 | 1.91455 | – |
| 2026 Sep 08 17:57 | 2026 Sep 06 18:58:41 | 54.7572 | 0.00064 | 21.4781 | 251.9202 | 120.6368 | 1.91455 | – |
| 2026 Sep 07 17:58 | 2026 Sep 06 18:58:41 | 54.7572 | 0.00064 | 21.4781 | 251.9202 | 120.6368 | 1.91455 | – |
| 2026 Sep 06 17:57 | 2026 Sep 06 05:01:32 | 54.7576 | 0.00064 | 21.4795 | 251.8174 | 120.6368 | 1.91455 | – |
| 2026 Sep 05 17:57 | 2026 Sep 05 05:55:14 | 54.7582 | 0.00064 | 21.4818 | 251.6673 | 120.6368 | 1.91455 | – |
| 2026 Sep 04 17:57 | 2026 Sep 03 14:09:25 | 54.7593 | 0.00063 | 21.4859 | 251.3602 | 120.6368 | 1.91455 | – |
| 2026 Sep 03 17:57 | 2026 Sep 03 02:47:35 | 54.7597 | 0.00063 | 21.4871 | 251.2874 | 120.6368 | 1.91455 | – |
| 2026 Sep 02 17:56 | 2026 Sep 01 11:49:32 | 54.7608 | 0.00063 | 21.4910 | 251.0498 | 120.6368 | 1.91455 | – |
| 2026 Sep 01 17:56 | 2026 Aug 31 16:53:40 | 54.7613 | 0.00063 | 21.4930 | 250.9716 | 120.6368 | 1.91455 | – |
| 2026 Aug 31 17:56 | 2026 Aug 30 15:46:33 | 54.7620 | 0.00062 | 21.4955 | 250.8364 | 120.6368 | 1.91455 | – |
| 2026 Aug 30 17:56 | 2026 Aug 29 19:43:45 | 54.7626 | 0.00062 | 21.4976 | 250.7509 | 120.6368 | 1.91455 | – |
| 2026 Aug 29 17:57 | 2026 Aug 28 20:03:26 | 54.7633 | 0.00062 | 21.5000 | 250.6327 | 120.6368 | 1.91455 | – |
| 2026 Aug 28 17:57 | 2026 Aug 28 07:06:26 | 54.7637 | 0.00062 | 21.5013 | 250.5750 | 120.6368 | 1.91455 | – |
| 2026 Aug 27 17:56 | 2026 Aug 26 17:09:04 | 54.7648 | 0.00061 | 21.5052 | 250.3408 | 120.6368 | 1.91455 | – |
| 2026 Aug 26 17:50 | 2026 Aug 25 05:47:38 | 54.7658 | 0.00060 | 21.5088 | 250.1301 | 120.6368 | 1.91455 | – |
| 2026 Aug 25 17:56 | 2026 Aug 25 05:47:38 | 54.7658 | 0.00060 | 21.5088 | 250.1301 | 120.6368 | 1.91455 | – |
| 2026 Aug 24 17:57 | 2026 Aug 24 05:57:53 | 54.7665 | 0.00060 | 21.5112 | 249.9880 | 120.6368 | 1.91455 | – |
| 2026 Aug 23 17:56 | 2026 Aug 23 02:11:36 | 54.7673 | 0.00059 | 21.5141 | 249.8483 | 120.6368 | 1.91455 | – |
| 2026 Aug 22 17:56 | 2026 Aug 22 01:09:34 | 54.7680 | 0.00059 | 21.5166 | 249.6428 | 120.6368 | 1.91455 | – |
| 2026 Aug 21 17:56 | 2026 Aug 20 17:39:25 | 54.7688 | 0.00059 | 21.5198 | 249.4680 | 120.6368 | 1.91455 | – |
| 2026 Aug 20 17:57 | 2026 Aug 20 02:39:59 | 54.7693 | 0.00059 | 21.5214 | 249.6469 | 120.6368 | 1.91455 | – |
| 2026 Aug 19 17:57 | 2026 Aug 18 22:07:55 | 54.7701 | 0.00058 | 21.5243 | 249.3560 | 120.6368 | 1.91455 | – |
| 2026 Aug 18 17:56 | 2026 Aug 17 22:52:38 | 54.7708 | 0.00058 | 21.5266 | 249.2345 | 120.6368 | 1.91455 | – |
| 2026 Aug 17 17:56 | 2026 Aug 16 09:03:49 | 54.7719 | 0.00057 | 21.5305 | 249.1454 | 120.6368 | 1.91455 | – |