Orbital elements of IUS R/B(1)
| Launched | 23 January 1985 |
| Flight ended | – |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 15544 |
| 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 17 18:56 | 2026 Mar 14 15:25:24 | 27.8071 | 0.68251 | 5.4559 | 243.1513 | 33.7280 | 2.83329 | – |
| 2026 Mar 16 18:57 | 2026 Mar 14 15:25:24 | 27.8071 | 0.68251 | 5.4559 | 243.1513 | 33.7280 | 2.83329 | – |
| 2026 Mar 15 18:56 | 2026 Mar 14 15:25:24 | 27.8071 | 0.68251 | 5.4559 | 243.1513 | 33.7280 | 2.83329 | – |
| 2026 Mar 14 18:56 | 2026 Mar 10 01:22:14 | 27.8036 | 0.68253 | 5.6000 | 239.5885 | 33.7280 | 2.83329 | – |
| 2026 Mar 13 18:57 | 2026 Mar 10 01:22:14 | 27.8036 | 0.68253 | 5.6000 | 239.5885 | 33.7280 | 2.83329 | – |
| 2026 Mar 12 18:57 | 2026 Mar 10 01:22:14 | 27.8036 | 0.68253 | 5.6000 | 239.5885 | 33.7280 | 2.83329 | – |
| 2026 Mar 11 18:56 | 2026 Mar 10 01:22:14 | 27.8036 | 0.68253 | 5.6000 | 239.5885 | 33.7280 | 2.83329 | – |
| 2026 Mar 10 18:56 | 2026 Mar 10 01:22:14 | 27.8036 | 0.68253 | 5.6000 | 239.5885 | 33.7280 | 2.83329 | – |
| 2026 Mar 09 18:56 | 2026 Mar 04 01:27:27 | 27.7986 | 0.68257 | 5.7886 | 234.9264 | 33.7280 | 2.83329 | – |
| 2026 Mar 08 18:57 | 2026 Mar 04 01:27:27 | 27.7986 | 0.68257 | 5.7886 | 234.9264 | 33.7280 | 2.83329 | – |
| 2026 Mar 07 18:57 | 2026 Mar 04 01:27:27 | 27.7986 | 0.68257 | 5.7886 | 234.9264 | 33.7280 | 2.83329 | – |
| 2026 Mar 06 18:56 | 2026 Mar 04 01:27:27 | 27.7986 | 0.68257 | 5.7886 | 234.9264 | 33.7280 | 2.83329 | – |
| 2026 Mar 05 18:56 | 2026 Mar 04 01:27:27 | 27.7986 | 0.68257 | 5.7886 | 234.9264 | 33.7280 | 2.83329 | – |
| 2026 Mar 04 18:57 | 2026 Mar 04 01:27:27 | 27.7986 | 0.68257 | 5.7886 | 234.9264 | 33.7280 | 2.83329 | – |
| 2026 Mar 03 18:56 | 2026 Feb 26 01:32:50 | 27.7908 | 0.68260 | 5.9773 | 230.2512 | 33.7280 | 2.83329 | – |
| 2026 Mar 02 18:57 | 2026 Feb 26 01:32:50 | 27.7908 | 0.68260 | 5.9773 | 230.2512 | 33.7280 | 2.83329 | – |
| 2026 Mar 01 18:57 | 2026 Feb 26 01:32:50 | 27.7908 | 0.68260 | 5.9773 | 230.2512 | 33.7280 | 2.83329 | – |
| 2026 Feb 28 18:56 | 2026 Feb 26 01:32:50 | 27.7908 | 0.68260 | 5.9773 | 230.2512 | 33.7280 | 2.83329 | – |
| 2026 Feb 27 19:05 | 2026 Feb 26 01:32:50 | 27.7908 | 0.68260 | 5.9773 | 230.2512 | 33.7280 | 2.83329 | – |
| 2026 Feb 26 20:45 | 2026 Feb 26 01:32:50 | 27.7908 | 0.68260 | 5.9773 | 230.2512 | 33.7280 | 2.83329 | – |