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 May 25 17:57 | 2026 May 20 14:12:05 | 54.8562 | 0.00162 | 8.9743 | 282.2010 | 258.6482 | 1.89598 | – |
| 2026 May 24 17:57 | 2026 May 20 14:12:05 | 54.8562 | 0.00162 | 8.9743 | 282.2010 | 258.6482 | 1.89598 | – |
| 2026 May 23 17:58 | 2026 May 20 14:12:05 | 54.8562 | 0.00162 | 8.9743 | 282.2010 | 258.6482 | 1.89598 | – |
| 2026 May 22 17:57 | 2026 May 20 14:12:05 | 54.8562 | 0.00162 | 8.9743 | 282.2010 | 258.6482 | 1.89598 | – |
| 2026 May 21 17:57 | 2026 May 20 14:12:05 | 54.8562 | 0.00162 | 8.9743 | 282.2010 | 258.6482 | 1.89598 | – |
| 2026 May 20 17:57 | 2026 May 16 09:02:53 | 54.8551 | 0.00162 | 8.9841 | 282.0422 | 258.6482 | 1.89598 | – |
| 2026 May 19 17:58 | 2026 May 16 09:02:53 | 54.8551 | 0.00162 | 8.9841 | 282.0422 | 258.6482 | 1.89598 | – |
| 2026 May 18 17:57 | 2026 May 16 09:02:53 | 54.8551 | 0.00162 | 8.9841 | 282.0422 | 258.6482 | 1.89598 | – |
| 2026 May 17 17:57 | 2026 May 16 09:02:53 | 54.8551 | 0.00162 | 8.9841 | 282.0422 | 258.6482 | 1.89598 | – |
| 2026 May 16 17:56 | 2026 May 16 09:02:53 | 54.8551 | 0.00162 | 8.9841 | 282.0422 | 258.6482 | 1.89598 | – |
| 2026 May 15 17:57 | 2026 May 09 07:56:20 | 54.8531 | 0.00162 | 9.0005 | 281.8148 | 258.6482 | 1.89598 | – |
| 2026 May 14 17:58 | 2026 May 09 07:56:20 | 54.8531 | 0.00162 | 9.0005 | 281.8148 | 258.6482 | 1.89598 | – |
| 2026 May 13 17:58 | 2026 May 09 07:56:20 | 54.8531 | 0.00162 | 9.0005 | 281.8148 | 258.6482 | 1.89598 | – |
| 2026 May 12 17:58 | 2026 May 09 07:56:20 | 54.8531 | 0.00162 | 9.0005 | 281.8148 | 258.6482 | 1.89598 | – |
| 2026 May 11 17:56 | 2026 May 09 07:56:20 | 54.8531 | 0.00162 | 9.0005 | 281.8148 | 258.6482 | 1.89598 | – |
| 2026 May 10 17:57 | 2026 May 09 07:56:20 | 54.8531 | 0.00162 | 9.0005 | 281.8148 | 258.6482 | 1.89598 | – |
| 2026 May 09 17:57 | 2026 May 04 11:58:10 | 54.8516 | 0.00162 | 9.0118 | 281.7551 | 258.6482 | 1.89598 | – |
| 2026 May 08 17:57 | 2026 May 04 11:58:10 | 54.8516 | 0.00162 | 9.0118 | 281.7551 | 258.6482 | 1.89598 | – |
| 2026 May 07 17:58 | 2026 May 04 11:58:10 | 54.8516 | 0.00162 | 9.0118 | 281.7551 | 258.6482 | 1.89598 | – |
| 2026 May 06 17:57 | 2026 May 04 11:58:10 | 54.8516 | 0.00162 | 9.0118 | 281.7551 | 258.6482 | 1.89598 | – |
| 2026 May 05 17:57 | 2026 May 04 11:58:10 | 54.8516 | 0.00162 | 9.0118 | 281.7551 | 258.6482 | 1.89598 | – |
| 2026 May 04 17:57 | 2026 Apr 27 15:28:49 | 54.8495 | 0.00162 | 9.0278 | 281.6736 | 258.6482 | 1.89598 | – |
| 2026 May 03 17:57 | 2026 Apr 27 15:28:49 | 54.8495 | 0.00162 | 9.0278 | 281.6736 | 258.6482 | 1.89598 | – |
| 2026 May 02 17:57 | 2026 Apr 27 15:28:49 | 54.8495 | 0.00162 | 9.0278 | 281.6736 | 258.6482 | 1.89598 | – |
| 2026 May 01 17:56 | 2026 Apr 27 15:28:49 | 54.8495 | 0.00162 | 9.0278 | 281.6736 | 258.6482 | 1.89598 | – |
| 2026 Apr 30 17:56 | 2026 Apr 27 15:28:49 | 54.8495 | 0.00162 | 9.0278 | 281.6736 | 258.6482 | 1.89598 | – |
| 2026 Apr 29 17:57 | 2026 Apr 22 15:00:42 | 54.8479 | 0.00162 | 9.0395 | 281.4338 | 258.6482 | 1.89598 | – |
| 2026 Apr 28 17:56 | 2026 Apr 22 15:00:42 | 54.8479 | 0.00162 | 9.0395 | 281.4338 | 258.6482 | 1.89598 | – |