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 Dec 21 18:57 | 2025 Dec 19 10:25:32 | 54.8238 | 0.00131 | 9.3294 | 278.2665 | 83.9574 | 1.89598 | – |
| 2025 Dec 20 18:57 | 2025 Dec 19 10:25:32 | 54.8238 | 0.00131 | 9.3294 | 278.2665 | 83.9574 | 1.89598 | – |
| 2025 Dec 19 18:57 | 2025 Dec 10 13:13:03 | 54.8219 | 0.00130 | 9.3501 | 278.2950 | 83.9574 | 1.89598 | – |
| 2025 Dec 18 18:57 | 2025 Dec 10 13:13:03 | 54.8219 | 0.00130 | 9.3501 | 278.2950 | 83.9574 | 1.89598 | – |
| 2025 Dec 17 18:58 | 2025 Dec 10 13:13:03 | 54.8219 | 0.00130 | 9.3501 | 278.2950 | 83.9574 | 1.89598 | – |
| 2025 Dec 16 18:57 | 2025 Dec 10 13:13:03 | 54.8219 | 0.00130 | 9.3501 | 278.2950 | 83.9574 | 1.89598 | – |
| 2025 Dec 15 18:58 | 2025 Dec 10 13:13:03 | 54.8219 | 0.00130 | 9.3501 | 278.2950 | 83.9574 | 1.89598 | – |
| 2025 Dec 14 18:56 | 2025 Dec 10 13:13:03 | 54.8219 | 0.00130 | 9.3501 | 278.2950 | 83.9574 | 1.89598 | – |
| 2025 Dec 13 18:56 | 2025 Dec 10 13:13:03 | 54.8219 | 0.00130 | 9.3501 | 278.2950 | 83.9574 | 1.89598 | – |
| 2025 Dec 12 18:57 | 2025 Dec 10 13:13:03 | 54.8219 | 0.00130 | 9.3501 | 278.2950 | 83.9574 | 1.89598 | – |
| 2025 Dec 11 18:56 | 2025 Dec 06 12:16:05 | 54.8219 | 0.00130 | 9.3595 | 278.0389 | 83.9574 | 1.89598 | – |
| 2025 Dec 10 18:56 | 2025 Dec 06 12:16:05 | 54.8219 | 0.00130 | 9.3595 | 278.0389 | 83.9574 | 1.89598 | – |
| 2025 Dec 09 18:56 | 2025 Dec 06 12:16:05 | 54.8219 | 0.00130 | 9.3595 | 278.0389 | 83.9574 | 1.89598 | – |
| 2025 Dec 08 18:56 | 2025 Dec 06 12:16:05 | 54.8219 | 0.00130 | 9.3595 | 278.0389 | 83.9574 | 1.89598 | – |
| 2025 Dec 07 18:56 | 2025 Dec 06 12:16:05 | 54.8219 | 0.00130 | 9.3595 | 278.0389 | 83.9574 | 1.89598 | – |
| 2025 Dec 06 18:56 | 2025 Nov 29 02:53:37 | 54.8195 | 0.00129 | 9.3767 | 278.0137 | 83.9574 | 1.89598 | – |
| 2025 Dec 05 18:57 | 2025 Nov 29 02:53:37 | 54.8195 | 0.00129 | 9.3767 | 278.0137 | 83.9574 | 1.89598 | – |
| 2025 Dec 04 18:57 | 2025 Nov 29 02:53:37 | 54.8195 | 0.00129 | 9.3767 | 278.0137 | 83.9574 | 1.89598 | – |
| 2025 Dec 03 18:56 | 2025 Nov 29 02:53:37 | 54.8195 | 0.00129 | 9.3767 | 278.0137 | 83.9574 | 1.89598 | – |
| 2025 Dec 02 18:56 | 2025 Nov 29 02:53:37 | 54.8195 | 0.00129 | 9.3767 | 278.0137 | 83.9574 | 1.89598 | – |
| 2025 Nov 30 18:57 | 2025 Nov 22 12:34:17 | 54.8176 | 0.00129 | 9.3921 | 278.2605 | 83.9574 | 1.89598 | – |
| 2025 Nov 29 18:56 | 2025 Nov 22 12:34:17 | 54.8176 | 0.00129 | 9.3921 | 278.2605 | 83.9574 | 1.89598 | – |
| 2025 Nov 28 18:57 | 2025 Nov 22 12:34:17 | 54.8176 | 0.00129 | 9.3921 | 278.2605 | 83.9574 | 1.89598 | – |
| 2025 Nov 27 18:57 | 2025 Nov 22 12:34:17 | 54.8176 | 0.00129 | 9.3921 | 278.2605 | 83.9574 | 1.89598 | – |
| 2025 Nov 26 18:57 | 2025 Nov 22 12:34:17 | 54.8176 | 0.00129 | 9.3921 | 278.2605 | 83.9574 | 1.89598 | – |
| 2025 Nov 25 18:57 | 2025 Nov 22 12:34:17 | 54.8176 | 0.00129 | 9.3921 | 278.2605 | 83.9574 | 1.89598 | – |
| 2025 Nov 24 18:56 | 2025 Nov 19 21:32:21 | 54.8167 | 0.00129 | 9.3982 | 278.4240 | 83.9574 | 1.89598 | – |