Orbital elements of IUS R/B(1)
| Launched | 22 November 1989 |
| Flight ended | – |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 20356 |
| 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 15 18:56 | 2026 Mar 13 19:08:55 | 27.6708 | 0.63700 | 23.9790 | 65.9713 | 346.3545 | 3.50863 | – |
| 2026 Mar 14 18:56 | 2026 Mar 10 02:14:13 | 27.6708 | 0.63703 | 0.1333 | 62.1547 | 346.3545 | 3.50863 | – |
| 2026 Mar 13 18:57 | 2026 Mar 10 02:14:13 | 27.6708 | 0.63703 | 0.1333 | 62.1547 | 346.3545 | 3.50863 | – |
| 2026 Mar 12 18:57 | 2026 Mar 10 02:14:13 | 27.6708 | 0.63703 | 0.1333 | 62.1547 | 346.3545 | 3.50863 | – |
| 2026 Mar 11 18:56 | 2026 Mar 10 02:14:13 | 27.6708 | 0.63703 | 0.1333 | 62.1547 | 346.3545 | 3.50863 | – |
| 2026 Mar 10 18:56 | 2026 Mar 10 02:14:13 | 27.6708 | 0.63703 | 0.1333 | 62.1547 | 346.3545 | 3.50863 | – |
| 2026 Mar 09 18:56 | 2026 Mar 04 02:34:25 | 27.6698 | 0.63703 | 0.3827 | 55.9903 | 346.3545 | 3.50863 | – |
| 2026 Mar 08 18:57 | 2026 Mar 04 02:34:25 | 27.6698 | 0.63703 | 0.3827 | 55.9903 | 346.3545 | 3.50863 | – |
| 2026 Mar 07 18:57 | 2026 Mar 04 02:34:25 | 27.6698 | 0.63703 | 0.3827 | 55.9903 | 346.3545 | 3.50863 | – |
| 2026 Mar 06 18:56 | 2026 Mar 04 02:34:25 | 27.6698 | 0.63703 | 0.3827 | 55.9903 | 346.3545 | 3.50863 | – |
| 2026 Mar 05 18:56 | 2026 Mar 04 02:34:25 | 27.6698 | 0.63703 | 0.3827 | 55.9903 | 346.3545 | 3.50863 | – |
| 2026 Mar 04 18:57 | 2026 Mar 04 02:34:25 | 27.6698 | 0.63703 | 0.3827 | 55.9903 | 346.3545 | 3.50863 | – |
| 2026 Mar 03 18:56 | 2026 Feb 26 02:52:20 | 27.6697 | 0.63708 | 0.6318 | 49.8311 | 346.3545 | 3.50863 | – |
| 2026 Mar 02 18:57 | 2026 Feb 26 02:52:20 | 27.6697 | 0.63708 | 0.6318 | 49.8311 | 346.3545 | 3.50863 | – |
| 2026 Mar 01 18:57 | 2026 Feb 26 02:52:20 | 27.6697 | 0.63708 | 0.6318 | 49.8311 | 346.3545 | 3.50863 | – |
| 2026 Feb 28 18:56 | 2026 Feb 26 02:52:20 | 27.6697 | 0.63708 | 0.6318 | 49.8311 | 346.3545 | 3.50863 | – |
| 2026 Feb 27 19:05 | 2026 Feb 26 02:52:20 | 27.6697 | 0.63708 | 0.6318 | 49.8311 | 346.3545 | 3.50863 | – |
| 2026 Feb 26 20:45 | 2026 Feb 26 02:52:20 | 27.6697 | 0.63708 | 0.6318 | 49.8311 | 346.3545 | 3.50863 | – |