Orbital elements of NAVSTAR 20
| Launched | 1 August 1990 |
| Flight ended | – |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 20724 |
| Alternative names |
USA 63 GPS BII-08 SVN 21 |
| 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 Sep 15 17:56 | 2025 Sep 08 21:29:23 | 54.6914 | 0.00360 | 5.6228 | 326.1996 | 45.8439 | 1.87186 | – |
| 2025 Sep 12 17:57 | 2025 Aug 29 11:02:54 | 54.6827 | 0.00362 | 5.6470 | 326.0572 | 45.8439 | 1.87186 | – |
| 2025 Sep 11 17:57 | 2025 Aug 29 11:02:54 | 54.6827 | 0.00362 | 5.6470 | 326.0572 | 45.8439 | 1.87186 | – |
| 2025 Sep 10 17:56 | 2025 Aug 29 11:02:54 | 54.6827 | 0.00362 | 5.6470 | 326.0572 | 45.8439 | 1.87186 | – |
| 2025 Sep 08 17:57 | 2025 Aug 29 11:02:54 | 54.6827 | 0.00362 | 5.6470 | 326.0572 | 45.8439 | 1.87186 | – |
| 2025 Sep 07 17:56 | 2025 Aug 29 11:02:54 | 54.6827 | 0.00362 | 5.6470 | 326.0572 | 45.8439 | 1.87186 | – |
| 2025 Sep 06 20:41 | 2025 Aug 29 11:02:54 | 54.6827 | 0.00362 | 5.6470 | 326.0572 | 45.8439 | 1.87186 | – |
| 2025 Sep 03 17:57 | 2025 Aug 29 11:02:54 | 54.6827 | 0.00362 | 5.6470 | 326.0572 | 45.8439 | 1.87186 | – |
| 2025 Sep 02 17:56 | 2025 Aug 27 07:13:22 | 54.6807 | 0.00366 | 5.6520 | 325.9528 | 45.8439 | 1.87186 | – |
| 2025 Sep 01 17:56 | 2025 Aug 27 07:13:22 | 54.6807 | 0.00366 | 5.6520 | 325.9528 | 45.8439 | 1.87186 | – |
| 2025 Aug 31 17:56 | 2025 Aug 27 07:13:22 | 54.6807 | 0.00366 | 5.6520 | 325.9528 | 45.8439 | 1.87186 | – |
| 2025 Aug 30 17:56 | 2025 Aug 27 07:13:22 | 54.6807 | 0.00366 | 5.6520 | 325.9528 | 45.8439 | 1.87186 | – |
| 2025 Aug 29 17:56 | 2025 Aug 27 07:13:22 | 54.6807 | 0.00366 | 5.6520 | 325.9528 | 45.8439 | 1.87186 | – |
| 2025 Aug 28 17:57 | 2025 Aug 27 07:13:22 | 54.6807 | 0.00366 | 5.6520 | 325.9528 | 45.8439 | 1.87186 | – |
| 2025 Aug 27 17:56 | 2025 Aug 15 14:44:22 | 54.6708 | 0.00364 | 5.6792 | 326.2436 | 45.8439 | 1.87186 | – |
| 2025 Aug 26 17:56 | 2025 Aug 15 14:44:22 | 54.6708 | 0.00364 | 5.6792 | 326.2436 | 45.8439 | 1.87186 | – |
| 2025 Aug 25 17:56 | 2025 Aug 15 14:44:22 | 54.6708 | 0.00364 | 5.6792 | 326.2436 | 45.8439 | 1.87186 | – |
| 2025 Aug 24 17:56 | 2025 Aug 15 14:44:22 | 54.6708 | 0.00364 | 5.6792 | 326.2436 | 45.8439 | 1.87186 | – |
| 2025 Aug 23 17:56 | 2025 Aug 15 14:44:22 | 54.6708 | 0.00364 | 5.6792 | 326.2436 | 45.8439 | 1.87186 | – |
| 2025 Aug 22 17:56 | 2025 Aug 15 14:44:22 | 54.6708 | 0.00364 | 5.6792 | 326.2436 | 45.8439 | 1.87186 | – |
| 2025 Aug 20 17:56 | 2025 Aug 15 14:44:22 | 54.6708 | 0.00364 | 5.6792 | 326.2436 | 45.8439 | 1.87186 | – |
| 2025 Aug 19 17:56 | 2025 Aug 15 14:44:22 | 54.6708 | 0.00364 | 5.6792 | 326.2436 | 45.8439 | 1.87186 | – |