Orbital elements of NAVSTAR 21
| Launched | 30 September 1990 |
| Flight ended | – |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 20830 |
| Alternative names |
USA 64 GPS BII-09 SVN 15 |
| 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 Jun 30 17:56 | 2025 Jun 28 14:16:50 | 56.3250 | 0.00215 | 1.4577 | 285.1786 | 298.5879 | 1.87753 | – |
| 2025 Jun 29 17:56 | 2025 Jun 28 14:16:50 | 56.3250 | 0.00215 | 1.4577 | 285.1786 | 298.5879 | 1.87753 | – |
| 2025 Jun 28 17:56 | 2025 Jun 28 14:16:50 | 56.3250 | 0.00215 | 1.4577 | 285.1786 | 298.5879 | 1.87753 | – |
| 2025 Jun 27 17:56 | 2025 Jun 22 03:24:31 | 56.3213 | 0.00220 | 1.4723 | 285.5448 | 298.5879 | 1.87753 | – |
| 2025 Jun 26 17:56 | 2025 Jun 22 03:24:31 | 56.3213 | 0.00220 | 1.4723 | 285.5448 | 298.5879 | 1.87753 | – |
| 2025 Jun 25 17:56 | 2025 Jun 22 03:24:31 | 56.3213 | 0.00220 | 1.4723 | 285.5448 | 298.5879 | 1.87753 | – |
| 2025 Jun 24 17:56 | 2025 Jun 22 03:24:31 | 56.3213 | 0.00220 | 1.4723 | 285.5448 | 298.5879 | 1.87753 | – |
| 2025 Jun 23 17:56 | 2025 Jun 22 03:24:31 | 56.3213 | 0.00220 | 1.4723 | 285.5448 | 298.5879 | 1.87753 | – |
| 2025 Jun 22 17:56 | 2025 Jun 17 07:59:11 | 56.3188 | 0.00220 | 1.4832 | 285.4720 | 298.5879 | 1.87753 | – |
| 2025 Jun 21 17:56 | 2025 Jun 17 07:59:11 | 56.3188 | 0.00220 | 1.4832 | 285.4720 | 298.5879 | 1.87753 | – |
| 2025 Jun 20 17:57 | 2025 Jun 17 07:59:11 | 56.3188 | 0.00220 | 1.4832 | 285.4720 | 298.5879 | 1.87753 | – |
| 2025 Jun 19 17:56 | 2025 Jun 17 07:59:11 | 56.3188 | 0.00220 | 1.4832 | 285.4720 | 298.5879 | 1.87753 | – |
| 2025 Jun 18 17:56 | 2025 Jun 17 07:59:11 | 56.3188 | 0.00220 | 1.4832 | 285.4720 | 298.5879 | 1.87753 | – |
| 2025 Jun 17 17:56 | 2025 Jun 17 07:59:11 | 56.3188 | 0.00220 | 1.4832 | 285.4720 | 298.5879 | 1.87753 | – |
| 2025 Jun 16 17:56 | 2025 Jun 12 13:42:45 | 56.3160 | 0.00220 | 1.4939 | 285.4693 | 298.5879 | 1.87753 | – |
| 2025 Jun 15 17:56 | 2025 Jun 12 13:42:45 | 56.3160 | 0.00220 | 1.4939 | 285.4693 | 298.5879 | 1.87753 | – |
| 2025 Jun 14 17:56 | 2025 Jun 12 13:42:45 | 56.3160 | 0.00220 | 1.4939 | 285.4693 | 298.5879 | 1.87753 | – |
| 2025 Jun 13 17:56 | 2025 Jun 12 13:42:45 | 56.3160 | 0.00220 | 1.4939 | 285.4693 | 298.5879 | 1.87753 | – |
| 2025 Jun 12 17:56 | 2025 Jun 12 13:42:45 | 56.3160 | 0.00220 | 1.4939 | 285.4693 | 298.5879 | 1.87753 | – |
| 2025 Jun 11 17:56 | 2025 Jun 03 18:28:36 | 56.3114 | 0.00223 | 1.5138 | 285.8981 | 298.5879 | 1.87753 | – |
| 2025 Jun 10 17:56 | 2025 Jun 03 18:28:36 | 56.3114 | 0.00223 | 1.5138 | 285.8981 | 298.5879 | 1.87753 | – |
| 2025 Jun 09 17:56 | 2025 Jun 03 18:28:36 | 56.3114 | 0.00223 | 1.5138 | 285.8981 | 298.5879 | 1.87753 | – |
| 2025 Jun 08 17:56 | 2025 Jun 03 18:28:36 | 56.3114 | 0.00223 | 1.5138 | 285.8981 | 298.5879 | 1.87753 | – |
| 2025 Jun 07 17:56 | 2025 Jun 03 18:28:36 | 56.3114 | 0.00223 | 1.5138 | 285.8981 | 298.5879 | 1.87753 | – |
| 2025 Jun 06 17:56 | 2025 Jun 03 18:28:36 | 56.3114 | 0.00223 | 1.5138 | 285.8981 | 298.5879 | 1.87753 | – |
| 2025 Jun 05 17:56 | 2025 Jun 01 02:31:07 | 56.3100 | 0.00223 | 1.5198 | 285.9415 | 298.5879 | 1.87753 | – |
| 2025 Jun 04 17:57 | 2025 Jun 01 02:31:07 | 56.3100 | 0.00223 | 1.5198 | 285.9415 | 298.5879 | 1.87753 | – |
| 2025 Jun 03 17:57 | 2025 Jun 01 02:31:07 | 56.3100 | 0.00223 | 1.5198 | 285.9415 | 298.5879 | 1.87753 | – |