Orbital elements of IUS R/B(2)
| Launched | 28 September 1988 |
| Flight ended | – |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 19550 |
| 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 Feb 27 19:05 | 2026 Feb 26 05:21:26 | 12.3446 | 0.00206 | 22.1195 | 304.1073 | 246.5222 | 1.00481 | – |
| 2026 Feb 26 20:45 | 2026 Feb 26 05:21:26 | 12.3446 | 0.00206 | 22.1195 | 304.1073 | 246.5222 | 1.00481 | – |
| 2026 Feb 05 18:58 | 2026 Feb 02 07:27:38 | 12.3733 | 0.00209 | 22.1310 | 302.6009 | 246.5222 | 1.00481 | – |
| 2026 Feb 04 18:57 | 2026 Feb 02 07:27:38 | 12.3733 | 0.00209 | 22.1310 | 302.6009 | 246.5222 | 1.00481 | – |
| 2026 Feb 03 18:56 | 2026 Feb 02 07:27:38 | 12.3733 | 0.00209 | 22.1310 | 302.6009 | 246.5222 | 1.00481 | – |
| 2026 Feb 02 18:56 | 2026 Feb 02 07:27:38 | 12.3733 | 0.00209 | 22.1310 | 302.6009 | 246.5222 | 1.00481 | – |
| 2026 Feb 01 18:56 | 2026 Jan 27 11:21:41 | 12.3802 | 0.00209 | 22.1339 | 302.4155 | 246.5222 | 1.00481 | – |
| 2026 Jan 31 18:56 | 2026 Jan 27 11:21:41 | 12.3802 | 0.00209 | 22.1339 | 302.4155 | 246.5222 | 1.00481 | – |