Orbital elements of IUS R/B(1)
| Launched | 1 August 1991 |
| Flight ended | – |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 21640 |
| 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 |
| 2025 May 17 17:57 | 2025 May 15 08:30:41 | 26.4426 | 0.66818 | 16.6646 | 220.9464 | 62.6126 | 3.07449 | 5.243 |
| 2025 May 16 17:56 | 2025 May 15 08:30:41 | 26.4426 | 0.66818 | 16.6646 | 220.9464 | 62.6126 | 3.07449 | 5.243 |
| 2025 May 15 17:57 | 2025 May 15 08:30:41 | 26.4426 | 0.66818 | 16.6646 | 220.9464 | 62.6126 | 3.07449 | 5.243 |
| 2025 May 14 17:56 | 2025 May 08 12:48:19 | 26.4540 | 0.66814 | 16.9107 | 214.8083 | 62.6126 | 3.07449 | 5.243 |
| 2025 May 13 17:56 | 2025 May 08 12:48:19 | 26.4540 | 0.66814 | 16.9107 | 214.8083 | 62.6126 | 3.07449 | 5.243 |
| 2025 May 12 17:56 | 2025 May 08 12:48:19 | 26.4540 | 0.66814 | 16.9107 | 214.8083 | 62.6126 | 3.07449 | 5.243 |
| 2025 May 11 17:56 | 2025 May 08 12:48:19 | 26.4540 | 0.66814 | 16.9107 | 214.8083 | 62.6126 | 3.07449 | 5.243 |
| 2025 May 10 17:56 | 2025 May 08 12:48:19 | 26.4540 | 0.66814 | 16.9107 | 214.8083 | 62.6126 | 3.07449 | 5.243 |
| 2025 May 09 17:57 | 2025 May 08 12:48:19 | 26.4540 | 0.66814 | 16.9107 | 214.8083 | 62.6126 | 3.07449 | 5.243 |
| 2025 May 08 17:56 | 2025 May 02 16:28:43 | 26.4635 | 0.66810 | 17.1199 | 209.5571 | 62.6126 | 3.07449 | 5.243 |
| 2025 May 07 17:56 | 2025 May 02 16:28:43 | 26.4635 | 0.66810 | 17.1199 | 209.5571 | 62.6126 | 3.07449 | 5.243 |
| 2025 May 06 17:57 | 2025 May 02 16:28:43 | 26.4635 | 0.66810 | 17.1199 | 209.5571 | 62.6126 | 3.07449 | 5.243 |
| 2025 May 05 17:56 | 2025 May 02 16:28:43 | 26.4635 | 0.66810 | 17.1199 | 209.5571 | 62.6126 | 3.07449 | 5.243 |
| 2025 May 04 17:57 | 2025 May 02 16:28:43 | 26.4635 | 0.66810 | 17.1199 | 209.5571 | 62.6126 | 3.07449 | 5.243 |
| 2025 May 03 17:57 | 2025 May 02 16:28:43 | 26.4635 | 0.66810 | 17.1199 | 209.5571 | 62.6126 | 3.07449 | 5.243 |
| 2025 May 01 17:56 | 2025 Apr 22 07:00:16 | 26.4958 | 0.66799 | 17.4927 | 200.2308 | 62.6126 | 3.07449 | 5.243 |
| 2025 Apr 30 17:56 | 2025 Apr 22 07:00:16 | 26.4958 | 0.66799 | 17.4927 | 200.2308 | 62.6126 | 3.07449 | 5.243 |
| 2025 Apr 29 17:57 | 2025 Apr 22 07:00:16 | 26.4958 | 0.66799 | 17.4927 | 200.2308 | 62.6126 | 3.07449 | 5.243 |
| 2025 Apr 27 17:56 | 2025 Apr 22 07:00:16 | 26.4958 | 0.66799 | 17.4927 | 200.2308 | 62.6126 | 3.07449 | 5.243 |
| 2025 Apr 26 17:57 | 2025 Apr 22 07:00:16 | 26.4958 | 0.66799 | 17.4927 | 200.2308 | 62.6126 | 3.07449 | 5.243 |
| 2025 Apr 25 17:56 | 2025 Apr 22 07:00:16 | 26.4958 | 0.66799 | 17.4927 | 200.2308 | 62.6126 | 3.07449 | 5.243 |
| 2025 Apr 24 17:56 | 2025 Apr 22 07:00:16 | 26.4958 | 0.66799 | 17.4927 | 200.2308 | 62.6126 | 3.07449 | 5.243 |
| 2025 Apr 23 17:57 | 2025 Apr 22 07:00:16 | 26.4958 | 0.66799 | 17.4927 | 200.2308 | 62.6126 | 3.07449 | 5.243 |
| 2025 Apr 22 17:56 | 2025 Apr 22 07:00:16 | 26.4958 | 0.66799 | 17.4927 | 200.2308 | 62.6126 | 3.07449 | 5.243 |
| 2025 Apr 21 17:57 | 2025 Apr 15 11:16:21 | 26.5145 | 0.66792 | 17.7355 | 194.1305 | 62.6126 | 3.07449 | 5.243 |
| 2025 Apr 20 17:56 | 2025 Apr 15 11:16:21 | 26.5145 | 0.66792 | 17.7355 | 194.1305 | 62.6126 | 3.07449 | 5.243 |