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 |
| 2026 Mar 18 18:56 | 2026 Mar 14 20:19:00 | 54.8511 | 0.00370 | 5.1888 | 328.0185 | 28.6356 | 1.87186 | – |
| 2026 Mar 17 18:56 | 2026 Mar 14 20:19:00 | 54.8511 | 0.00370 | 5.1888 | 328.0185 | 28.6356 | 1.87186 | – |
| 2026 Mar 16 18:57 | 2026 Mar 14 20:19:00 | 54.8511 | 0.00370 | 5.1888 | 328.0185 | 28.6356 | 1.87186 | – |
| 2026 Mar 15 18:56 | 2026 Mar 14 20:19:00 | 54.8511 | 0.00370 | 5.1888 | 328.0185 | 28.6356 | 1.87186 | – |
| 2026 Mar 14 18:56 | 2026 Mar 06 13:58:41 | 54.8434 | 0.00369 | 5.2080 | 327.7029 | 28.6356 | 1.87186 | – |
| 2026 Mar 13 18:57 | 2026 Mar 06 13:58:41 | 54.8434 | 0.00369 | 5.2080 | 327.7029 | 28.6356 | 1.87186 | – |
| 2026 Mar 12 18:57 | 2026 Mar 06 13:58:41 | 54.8434 | 0.00369 | 5.2080 | 327.7029 | 28.6356 | 1.87186 | – |
| 2026 Mar 11 18:56 | 2026 Mar 06 13:58:41 | 54.8434 | 0.00369 | 5.2080 | 327.7029 | 28.6356 | 1.87186 | – |
| 2026 Mar 10 18:56 | 2026 Mar 06 13:58:41 | 54.8434 | 0.00369 | 5.2080 | 327.7029 | 28.6356 | 1.87186 | – |
| 2026 Mar 09 18:56 | 2026 Mar 01 02:00:26 | 54.8384 | 0.00369 | 5.2207 | 327.4658 | 28.6356 | 1.87186 | – |
| 2026 Mar 08 18:57 | 2026 Mar 01 02:00:26 | 54.8384 | 0.00369 | 5.2207 | 327.4658 | 28.6356 | 1.87186 | – |
| 2026 Mar 07 18:57 | 2026 Mar 01 02:00:26 | 54.8384 | 0.00369 | 5.2207 | 327.4658 | 28.6356 | 1.87186 | – |
| 2026 Mar 06 18:56 | 2026 Mar 01 02:00:26 | 54.8384 | 0.00369 | 5.2207 | 327.4658 | 28.6356 | 1.87186 | – |
| 2026 Mar 05 18:56 | 2026 Mar 01 02:00:26 | 54.8384 | 0.00369 | 5.2207 | 327.4658 | 28.6356 | 1.87186 | – |
| 2026 Mar 04 18:57 | 2026 Mar 01 02:00:26 | 54.8384 | 0.00369 | 5.2207 | 327.4658 | 28.6356 | 1.87186 | – |
| 2026 Mar 03 18:56 | 2026 Feb 24 23:02:21 | 54.8346 | 0.00367 | 5.2303 | 327.3036 | 28.6356 | 1.87186 | – |
| 2026 Mar 02 18:57 | 2026 Feb 24 23:02:21 | 54.8346 | 0.00367 | 5.2303 | 327.3036 | 28.6356 | 1.87186 | – |
| 2026 Mar 01 18:57 | 2026 Feb 24 23:02:21 | 54.8346 | 0.00367 | 5.2303 | 327.3036 | 28.6356 | 1.87186 | – |
| 2026 Feb 28 18:56 | 2026 Feb 24 23:02:21 | 54.8346 | 0.00367 | 5.2303 | 327.3036 | 28.6356 | 1.87186 | – |
| 2026 Feb 27 19:05 | 2026 Feb 24 23:02:21 | 54.8346 | 0.00367 | 5.2303 | 327.3036 | 28.6356 | 1.87186 | – |
| 2026 Feb 26 20:45 | 2026 Feb 24 23:02:21 | 54.8346 | 0.00367 | 5.2303 | 327.3036 | 28.6356 | 1.87186 | – |