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 |
| 2025 Nov 01 18:58 | 2025 Oct 28 12:16:27 | 54.8104 | 0.00129 | 9.4504 | 277.8712 | 283.0706 | 1.89598 | – |
| 2025 Oct 31 18:57 | 2025 Oct 28 12:16:27 | 54.8104 | 0.00129 | 9.4504 | 277.8712 | 283.0706 | 1.89598 | – |
| 2025 Oct 30 18:57 | 2025 Oct 28 12:16:27 | 54.8104 | 0.00129 | 9.4504 | 277.8712 | 283.0706 | 1.89598 | – |
| 2025 Oct 29 18:57 | 2025 Oct 28 12:16:27 | 54.8104 | 0.00129 | 9.4504 | 277.8712 | 283.0706 | 1.89598 | – |
| 2025 Oct 28 18:57 | 2025 Oct 21 02:28:08 | 54.8078 | 0.00133 | 9.4677 | 278.0012 | 283.0706 | 1.89598 | – |
| 2025 Oct 27 18:57 | 2025 Oct 21 02:28:08 | 54.8078 | 0.00133 | 9.4677 | 278.0012 | 283.0706 | 1.89598 | – |
| 2025 Oct 26 18:57 | 2025 Oct 21 02:28:08 | 54.8078 | 0.00133 | 9.4677 | 278.0012 | 283.0706 | 1.89598 | – |
| 2025 Oct 25 17:57 | 2025 Oct 21 02:28:08 | 54.8078 | 0.00133 | 9.4677 | 278.0012 | 283.0706 | 1.89598 | – |
| 2025 Oct 24 17:57 | 2025 Oct 21 02:28:08 | 54.8078 | 0.00133 | 9.4677 | 278.0012 | 283.0706 | 1.89598 | – |
| 2025 Oct 22 17:56 | 2025 Oct 14 05:51:37 | 54.8066 | 0.00134 | 9.4837 | 278.2426 | 283.0706 | 1.89598 | – |
| 2025 Oct 21 17:56 | 2025 Oct 14 05:51:37 | 54.8066 | 0.00134 | 9.4837 | 278.2426 | 283.0706 | 1.89598 | – |
| 2025 Oct 20 17:56 | 2025 Oct 14 05:51:37 | 54.8066 | 0.00134 | 9.4837 | 278.2426 | 283.0706 | 1.89598 | – |
| 2025 Oct 19 17:56 | 2025 Oct 14 05:51:37 | 54.8066 | 0.00134 | 9.4837 | 278.2426 | 283.0706 | 1.89598 | – |
| 2025 Oct 18 17:56 | 2025 Oct 14 05:51:37 | 54.8066 | 0.00134 | 9.4837 | 278.2426 | 283.0706 | 1.89598 | – |
| 2025 Oct 17 17:56 | 2025 Oct 05 06:46:26 | 54.8055 | 0.00123 | 9.5046 | 278.1637 | 283.0706 | 1.89598 | – |
| 2025 Oct 16 17:56 | 2025 Oct 05 06:46:26 | 54.8055 | 0.00123 | 9.5046 | 278.1637 | 283.0706 | 1.89598 | – |
| 2025 Oct 15 17:56 | 2025 Oct 05 06:46:26 | 54.8055 | 0.00123 | 9.5046 | 278.1637 | 283.0706 | 1.89598 | – |
| 2025 Oct 14 17:56 | 2025 Oct 05 06:46:26 | 54.8055 | 0.00123 | 9.5046 | 278.1637 | 283.0706 | 1.89598 | – |
| 2025 Oct 12 17:56 | 2025 Oct 05 06:46:26 | 54.8055 | 0.00123 | 9.5046 | 278.1637 | 283.0706 | 1.89598 | – |
| 2025 Oct 11 17:57 | 2025 Oct 05 06:46:26 | 54.8055 | 0.00123 | 9.5046 | 278.1637 | 283.0706 | 1.89598 | – |
| 2025 Oct 09 17:56 | 2025 Oct 05 06:46:26 | 54.8055 | 0.00123 | 9.5046 | 278.1637 | 283.0706 | 1.89598 | – |
| 2025 Oct 08 17:56 | 2025 Oct 05 06:46:26 | 54.8055 | 0.00123 | 9.5046 | 278.1637 | 283.0706 | 1.89598 | – |
| 2025 Oct 07 17:56 | 2025 Oct 05 06:46:26 | 54.8055 | 0.00123 | 9.5046 | 278.1637 | 283.0706 | 1.89598 | – |
| 2025 Oct 05 17:56 | 2025 Sep 24 17:34:08 | 54.8026 | 0.00131 | 9.5292 | 277.8826 | 283.0706 | 1.89598 | – |