Orbital elements of IUS R/B(1)
| Launched | 2 October 1985 |
| Flight ended | – |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 16118 |
| 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 Apr 30 17:56 | 2026 Apr 30 01:56:17 | 25.0875 | 0.71549 | 11.5998 | 157.7729 | 263.6080 | 2.29192 | – |
| 2026 Apr 29 17:57 | 2026 Apr 24 10:05:31 | 25.0733 | 0.71569 | 11.7341 | 154.3414 | 263.6080 | 2.29192 | – |
| 2026 Apr 28 17:56 | 2026 Apr 24 10:05:31 | 25.0733 | 0.71569 | 11.7341 | 154.3414 | 263.6080 | 2.29192 | – |
| 2026 Apr 27 17:58 | 2026 Apr 24 10:05:31 | 25.0733 | 0.71569 | 11.7341 | 154.3414 | 263.6080 | 2.29192 | – |
| 2026 Apr 26 17:58 | 2026 Apr 24 10:05:31 | 25.0733 | 0.71569 | 11.7341 | 154.3414 | 263.6080 | 2.29192 | – |
| 2026 Apr 25 17:58 | 2026 Apr 24 10:05:31 | 25.0733 | 0.71569 | 11.7341 | 154.3414 | 263.6080 | 2.29192 | – |
| 2026 Apr 24 17:59 | 2026 Apr 24 10:05:31 | 25.0733 | 0.71569 | 11.7341 | 154.3414 | 263.6080 | 2.29192 | – |
| 2026 Apr 23 17:57 | 2026 Apr 18 18:13:04 | 25.0593 | 0.71589 | 11.8689 | 150.8981 | 263.6080 | 2.29192 | – |
| 2026 Apr 22 17:57 | 2026 Apr 18 18:13:04 | 25.0593 | 0.71589 | 11.8689 | 150.8981 | 263.6080 | 2.29192 | – |
| 2026 Apr 21 17:57 | 2026 Apr 18 18:13:04 | 25.0593 | 0.71589 | 11.8689 | 150.8981 | 263.6080 | 2.29192 | – |
| 2026 Apr 20 17:57 | 2026 Apr 18 18:13:04 | 25.0593 | 0.71589 | 11.8689 | 150.8981 | 263.6080 | 2.29192 | – |
| 2026 Apr 19 17:58 | 2026 Apr 18 18:13:04 | 25.0593 | 0.71589 | 11.8689 | 150.8981 | 263.6080 | 2.29192 | – |
| 2026 Apr 18 17:56 | 2026 Apr 12 15:51:45 | 25.0477 | 0.71612 | 12.0145 | 147.1835 | 263.6080 | 2.29192 | – |
| 2026 Apr 16 17:57 | 2026 Apr 12 15:51:45 | 25.0477 | 0.71612 | 12.0145 | 147.1835 | 263.6080 | 2.29192 | – |
| 2026 Apr 14 17:57 | 2026 Apr 12 15:51:45 | 25.0477 | 0.71612 | 12.0145 | 147.1835 | 263.6080 | 2.29192 | – |
| 2026 Apr 13 17:57 | 2026 Apr 12 15:51:45 | 25.0477 | 0.71612 | 12.0145 | 147.1835 | 263.6080 | 2.29192 | – |
| 2026 Apr 12 17:57 | 2026 Apr 08 07:18:21 | 25.0406 | 0.71627 | 12.1188 | 144.5256 | 263.6080 | 2.29192 | – |
| 2026 Apr 11 17:57 | 2026 Apr 08 07:18:21 | 25.0406 | 0.71627 | 12.1188 | 144.5256 | 263.6080 | 2.29192 | – |
| 2026 Apr 10 17:58 | 2026 Apr 08 07:18:21 | 25.0406 | 0.71627 | 12.1188 | 144.5256 | 263.6080 | 2.29192 | – |
| 2026 Apr 09 18:01 | 2026 Apr 08 07:18:21 | 25.0406 | 0.71627 | 12.1188 | 144.5256 | 263.6080 | 2.29192 | – |
| 2026 Apr 08 17:57 | 2026 Apr 08 07:18:21 | 25.0406 | 0.71627 | 12.1188 | 144.5256 | 263.6080 | 2.29192 | – |
| 2026 Apr 07 17:57 | 2026 Apr 02 04:54:09 | 25.0298 | 0.71651 | 12.2652 | 140.7977 | 263.6080 | 2.29192 | – |
| 2026 Apr 06 17:57 | 2026 Apr 02 04:54:09 | 25.0298 | 0.71651 | 12.2652 | 140.7977 | 263.6080 | 2.29192 | – |
| 2026 Apr 05 17:56 | 2026 Apr 02 04:54:09 | 25.0298 | 0.71651 | 12.2652 | 140.7977 | 263.6080 | 2.29192 | – |
| 2026 Apr 04 17:57 | 2026 Apr 02 04:54:09 | 25.0298 | 0.71651 | 12.2652 | 140.7977 | 263.6080 | 2.29192 | – |
| 2026 Apr 03 17:56 | 2026 Apr 02 04:54:09 | 25.0298 | 0.71651 | 12.2652 | 140.7977 | 263.6080 | 2.29192 | – |