Orbital elements of IUS R/B(1)
| Launched | 23 November 1991 |
| Flight ended | – |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 21806 |
| 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 Aug 23 17:56 | 2025 Aug 20 23:03:30 | 27.0867 | 0.71361 | 21.4293 | 108.7143 | 335.8781 | 2.38657 | – |
| 2025 Aug 22 17:56 | 2025 Aug 17 14:38:26 | 27.0877 | 0.71363 | 21.5130 | 106.6243 | 335.8781 | 2.38657 | – |
| 2025 Aug 20 17:56 | 2025 Aug 17 14:38:26 | 27.0877 | 0.71363 | 21.5130 | 106.6243 | 335.8781 | 2.38657 | – |
| 2025 Aug 19 17:56 | 2025 Aug 17 14:38:26 | 27.0877 | 0.71363 | 21.5130 | 106.6243 | 335.8781 | 2.38657 | – |
| 2025 Aug 18 17:56 | 2025 Aug 17 14:38:26 | 27.0877 | 0.71363 | 21.5130 | 106.6243 | 335.8781 | 2.38657 | – |
| 2025 Aug 16 17:56 | 2025 Aug 11 07:51:02 | 27.0894 | 0.71367 | 21.6700 | 102.7023 | 335.8781 | 2.38657 | – |
| 2025 Aug 15 17:57 | 2025 Aug 11 07:51:02 | 27.0894 | 0.71367 | 21.6700 | 102.7023 | 335.8781 | 2.38657 | – |
| 2025 Aug 14 17:56 | 2025 Aug 11 07:51:02 | 27.0894 | 0.71367 | 21.6700 | 102.7023 | 335.8781 | 2.38657 | – |
| 2025 Aug 13 17:58 | 2025 Aug 11 07:51:02 | 27.0894 | 0.71367 | 21.6700 | 102.7023 | 335.8781 | 2.38657 | – |
| 2025 Aug 12 17:56 | 2025 Aug 11 07:51:02 | 27.0894 | 0.71367 | 21.6700 | 102.7023 | 335.8781 | 2.38657 | – |
| 2025 Aug 11 17:56 | 2025 Aug 06 17:16:05 | 27.0913 | 0.71371 | 21.7852 | 99.8251 | 335.8781 | 2.38657 | – |
| 2025 Aug 10 17:57 | 2025 Aug 06 17:16:05 | 27.0913 | 0.71371 | 21.7852 | 99.8251 | 335.8781 | 2.38657 | – |
| 2025 Aug 09 17:56 | 2025 Aug 06 17:16:05 | 27.0913 | 0.71371 | 21.7852 | 99.8251 | 335.8781 | 2.38657 | – |
| 2025 Aug 08 17:56 | 2025 Aug 06 17:16:05 | 27.0913 | 0.71371 | 21.7852 | 99.8251 | 335.8781 | 2.38657 | – |
| 2025 Aug 07 17:56 | 2025 Aug 06 17:16:05 | 27.0913 | 0.71371 | 21.7852 | 99.8251 | 335.8781 | 2.38657 | – |
| 2025 Aug 05 17:56 | 2025 Jul 31 10:27:53 | 27.0942 | 0.71377 | 21.9425 | 95.8998 | 335.8781 | 2.38657 | – |
| 2025 Aug 04 17:56 | 2025 Jul 31 10:27:53 | 27.0942 | 0.71377 | 21.9425 | 95.8998 | 335.8781 | 2.38657 | – |
| 2025 Aug 03 17:56 | 2025 Jul 31 10:27:53 | 27.0942 | 0.71377 | 21.9425 | 95.8998 | 335.8781 | 2.38657 | – |
| 2025 Aug 02 17:56 | 2025 Jul 31 10:27:53 | 27.0942 | 0.71377 | 21.9425 | 95.8998 | 335.8781 | 2.38657 | – |
| 2025 Aug 01 17:56 | 2025 Jul 31 10:27:53 | 27.0942 | 0.71377 | 21.9425 | 95.8998 | 335.8781 | 2.38657 | – |
| 2025 Jul 31 17:56 | 2025 Jul 25 23:45:55 | 27.0963 | 0.71382 | 22.0790 | 92.4925 | 335.8781 | 2.38657 | – |
| 2025 Jul 29 17:56 | 2025 Jul 25 23:45:55 | 27.0963 | 0.71382 | 22.0790 | 92.4925 | 335.8781 | 2.38657 | – |
| 2025 Jul 28 17:58 | 2025 Jul 25 23:45:55 | 27.0963 | 0.71382 | 22.0790 | 92.4925 | 335.8781 | 2.38657 | – |