Orbital elements of NAVSTAR 18
| Launched | 23 January 1990 |
| Flight ended | – |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 20452 |
| Alternative names |
USA 50 GPS BII-06 SVN 18 |
| 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 22 18:56 | 2026 Mar 20 03:45:37 | 54.8385 | 0.00158 | 9.1177 | 280.4919 | 86.3893 | 1.89598 | – |
| 2026 Mar 21 19:05 | 2026 Mar 20 03:45:37 | 54.8385 | 0.00158 | 9.1177 | 280.4919 | 86.3893 | 1.89598 | – |
| 2026 Mar 20 18:57 | 2026 Mar 20 03:45:37 | 54.8385 | 0.00158 | 9.1177 | 280.4919 | 86.3893 | 1.89598 | – |
| 2026 Mar 19 18:56 | 2026 Mar 10 15:40:06 | 54.8366 | 0.00155 | 9.1398 | 279.9940 | 86.3893 | 1.89598 | – |
| 2026 Mar 18 18:56 | 2026 Mar 10 15:40:06 | 54.8366 | 0.00155 | 9.1398 | 279.9940 | 86.3893 | 1.89598 | – |
| 2026 Mar 17 18:56 | 2026 Mar 10 15:40:06 | 54.8366 | 0.00155 | 9.1398 | 279.9940 | 86.3893 | 1.89598 | – |
| 2026 Mar 16 18:57 | 2026 Mar 10 15:40:06 | 54.8366 | 0.00155 | 9.1398 | 279.9940 | 86.3893 | 1.89598 | – |
| 2026 Mar 15 18:56 | 2026 Mar 10 15:40:06 | 54.8366 | 0.00155 | 9.1398 | 279.9940 | 86.3893 | 1.89598 | – |
| 2026 Mar 14 18:56 | 2026 Mar 09 14:24:26 | 54.8364 | 0.00155 | 9.1423 | 280.1316 | 86.3893 | 1.89598 | – |
| 2026 Mar 13 18:57 | 2026 Mar 09 14:24:26 | 54.8364 | 0.00155 | 9.1423 | 280.1316 | 86.3893 | 1.89598 | – |
| 2026 Mar 12 18:57 | 2026 Mar 09 14:24:26 | 54.8364 | 0.00155 | 9.1423 | 280.1316 | 86.3893 | 1.89598 | – |
| 2026 Mar 11 18:56 | 2026 Mar 09 14:24:26 | 54.8364 | 0.00155 | 9.1423 | 280.1316 | 86.3893 | 1.89598 | – |
| 2026 Mar 10 18:56 | 2026 Mar 09 14:24:26 | 54.8364 | 0.00155 | 9.1423 | 280.1316 | 86.3893 | 1.89598 | – |
| 2026 Mar 09 18:56 | 2026 Mar 02 08:59:38 | 54.8352 | 0.00153 | 9.1592 | 279.7250 | 86.3893 | 1.89598 | – |
| 2026 Mar 08 18:57 | 2026 Mar 02 08:59:38 | 54.8352 | 0.00153 | 9.1592 | 279.7250 | 86.3893 | 1.89598 | – |
| 2026 Mar 07 18:57 | 2026 Mar 02 08:59:38 | 54.8352 | 0.00153 | 9.1592 | 279.7250 | 86.3893 | 1.89598 | – |
| 2026 Mar 06 18:56 | 2026 Mar 02 08:59:38 | 54.8352 | 0.00153 | 9.1592 | 279.7250 | 86.3893 | 1.89598 | – |
| 2026 Mar 05 18:56 | 2026 Mar 02 08:59:38 | 54.8352 | 0.00153 | 9.1592 | 279.7250 | 86.3893 | 1.89598 | – |
| 2026 Mar 04 18:57 | 2026 Mar 02 08:59:38 | 54.8352 | 0.00153 | 9.1592 | 279.7250 | 86.3893 | 1.89598 | – |
| 2026 Mar 03 18:56 | 2026 Feb 23 21:22:19 | 54.8340 | 0.00152 | 9.1743 | 279.4312 | 86.3893 | 1.89598 | – |
| 2026 Mar 02 18:57 | 2026 Feb 23 21:22:19 | 54.8340 | 0.00152 | 9.1743 | 279.4312 | 86.3893 | 1.89598 | – |
| 2026 Mar 01 18:57 | 2026 Feb 23 21:22:19 | 54.8340 | 0.00152 | 9.1743 | 279.4312 | 86.3893 | 1.89598 | – |
| 2026 Feb 28 18:56 | 2026 Feb 23 21:22:19 | 54.8340 | 0.00152 | 9.1743 | 279.4312 | 86.3893 | 1.89598 | – |
| 2026 Feb 27 19:05 | 2026 Feb 23 21:22:19 | 54.8340 | 0.00152 | 9.1743 | 279.4312 | 86.3893 | 1.89598 | – |
| 2026 Feb 26 20:45 | 2026 Feb 23 21:22:19 | 54.8340 | 0.00152 | 9.1743 | 279.4312 | 86.3893 | 1.89598 | – |