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 Jun 13 17:56 | 2026 Jun 11 20:21:54 | 27.6234 | 0.63687 | 20.2002 | 159.5047 | 246.5351 | 3.52720 | – |
| 2026 Jun 12 17:56 | 2026 Jun 11 20:21:54 | 27.6234 | 0.63687 | 20.2002 | 159.5047 | 246.5351 | 3.52720 | – |
| 2026 Jun 11 17:57 | 2026 Jun 07 00:55:36 | 27.6306 | 0.63688 | 20.4038 | 154.4624 | 246.5351 | 3.52720 | – |
| 2026 Jun 10 17:56 | 2026 Jun 07 00:55:36 | 27.6306 | 0.63688 | 20.4038 | 154.4624 | 246.5351 | 3.52720 | – |
| 2026 Jun 09 17:57 | 2026 Jun 07 00:55:36 | 27.6306 | 0.63688 | 20.4038 | 154.4624 | 246.5351 | 3.52720 | – |
| 2026 Jun 08 17:56 | 2026 Jun 07 00:55:36 | 27.6306 | 0.63688 | 20.4038 | 154.4624 | 246.5351 | 3.52720 | – |
| 2026 Jun 07 17:56 | 2026 Jun 07 00:55:36 | 27.6306 | 0.63688 | 20.4038 | 154.4624 | 246.5351 | 3.52720 | – |
| 2026 Jun 06 17:56 | 2026 May 31 12:37:55 | 27.6427 | 0.63692 | 20.6791 | 147.6445 | 246.5351 | 3.52720 | – |
| 2026 Jun 05 17:56 | 2026 May 31 12:37:55 | 27.6427 | 0.63692 | 20.6791 | 147.6445 | 246.5351 | 3.52720 | – |
| 2026 Jun 04 17:57 | 2026 May 31 12:37:55 | 27.6427 | 0.63692 | 20.6791 | 147.6445 | 246.5351 | 3.52720 | – |
| 2026 Jun 02 17:56 | 2026 May 31 12:37:55 | 27.6427 | 0.63692 | 20.6791 | 147.6445 | 246.5351 | 3.52720 | – |
| 2026 Jun 01 17:57 | 2026 May 31 12:37:55 | 27.6427 | 0.63692 | 20.6791 | 147.6445 | 246.5351 | 3.52720 | – |
| 2026 May 31 17:58 | 2026 May 31 12:37:55 | 27.6427 | 0.63692 | 20.6791 | 147.6445 | 246.5351 | 3.52720 | – |
| 2026 May 30 17:57 | 2026 May 25 13:48:44 | 27.6506 | 0.63693 | 20.9302 | 141.4293 | 246.5351 | 3.52720 | – |
| 2026 May 29 17:57 | 2026 May 25 13:48:44 | 27.6506 | 0.63693 | 20.9302 | 141.4293 | 246.5351 | 3.52720 | – |
| 2026 May 28 17:56 | 2026 May 25 13:48:44 | 27.6506 | 0.63693 | 20.9302 | 141.4293 | 246.5351 | 3.52720 | – |
| 2026 May 27 17:57 | 2026 May 25 13:48:44 | 27.6506 | 0.63693 | 20.9302 | 141.4293 | 246.5351 | 3.52720 | – |
| 2026 May 26 17:57 | 2026 May 25 13:48:44 | 27.6506 | 0.63693 | 20.9302 | 141.4293 | 246.5351 | 3.52720 | – |
| 2026 May 25 17:57 | 2026 May 20 18:07:33 | 27.6559 | 0.63694 | 21.1333 | 136.3985 | 246.5351 | 3.52720 | – |
| 2026 May 24 17:57 | 2026 May 20 18:07:33 | 27.6559 | 0.63694 | 21.1333 | 136.3985 | 246.5351 | 3.52720 | – |
| 2026 May 23 17:58 | 2026 May 20 18:07:33 | 27.6559 | 0.63694 | 21.1333 | 136.3985 | 246.5351 | 3.52720 | – |
| 2026 May 22 17:57 | 2026 May 20 18:07:33 | 27.6559 | 0.63694 | 21.1333 | 136.3985 | 246.5351 | 3.52720 | – |
| 2026 May 21 17:57 | 2026 May 20 18:07:33 | 27.6559 | 0.63694 | 21.1333 | 136.3985 | 246.5351 | 3.52720 | – |
| 2026 May 20 17:57 | 2026 May 16 12:00:10 | 27.6591 | 0.63695 | 21.3124 | 131.9603 | 246.5351 | 3.52720 | – |
| 2026 May 19 17:58 | 2026 May 16 12:00:10 | 27.6591 | 0.63695 | 21.3124 | 131.9603 | 246.5351 | 3.52720 | – |
| 2026 May 18 17:57 | 2026 May 16 12:00:10 | 27.6591 | 0.63695 | 21.3124 | 131.9603 | 246.5351 | 3.52720 | – |
| 2026 May 17 17:57 | 2026 May 16 12:00:10 | 27.6591 | 0.63695 | 21.3124 | 131.9603 | 246.5351 | 3.52720 | – |