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 |
| 2026 Apr 14 17:57 | 2026 Apr 12 23:12:25 | 26.4015 | 0.71537 | 15.4235 | 258.6229 | 20.2969 | 2.38954 | – |
| 2026 Apr 13 17:57 | 2026 Apr 12 23:12:25 | 26.4015 | 0.71537 | 15.4235 | 258.6229 | 20.2969 | 2.38954 | – |
| 2026 Apr 12 17:57 | 2026 Apr 07 22:43:30 | 26.4106 | 0.71547 | 15.5547 | 255.3672 | 20.2969 | 2.38954 | – |
| 2026 Apr 11 17:57 | 2026 Apr 07 22:43:30 | 26.4106 | 0.71547 | 15.5547 | 255.3672 | 20.2969 | 2.38954 | – |
| 2026 Apr 10 17:58 | 2026 Apr 07 22:43:30 | 26.4106 | 0.71547 | 15.5547 | 255.3672 | 20.2969 | 2.38954 | – |
| 2026 Apr 09 18:01 | 2026 Apr 07 22:43:30 | 26.4106 | 0.71547 | 15.5547 | 255.3672 | 20.2969 | 2.38954 | – |
| 2026 Apr 08 17:57 | 2026 Apr 07 22:43:30 | 26.4106 | 0.71547 | 15.5547 | 255.3672 | 20.2969 | 2.38954 | – |
| 2026 Apr 07 17:57 | 2026 Mar 30 13:55:23 | 26.4283 | 0.71565 | 15.7727 | 249.9490 | 20.2969 | 2.38954 | – |
| 2026 Apr 06 17:57 | 2026 Mar 30 13:55:23 | 26.4283 | 0.71565 | 15.7727 | 249.9490 | 20.2969 | 2.38954 | – |
| 2026 Apr 05 17:56 | 2026 Mar 30 13:55:23 | 26.4283 | 0.71565 | 15.7727 | 249.9490 | 20.2969 | 2.38954 | – |
| 2026 Apr 04 17:57 | 2026 Mar 30 13:55:23 | 26.4283 | 0.71565 | 15.7727 | 249.9490 | 20.2969 | 2.38954 | – |
| 2026 Apr 03 17:56 | 2026 Mar 30 13:55:23 | 26.4283 | 0.71565 | 15.7727 | 249.9490 | 20.2969 | 2.38954 | – |
| 2026 Apr 02 18:03 | 2026 Mar 30 13:55:23 | 26.4283 | 0.71565 | 15.7727 | 249.9490 | 20.2969 | 2.38954 | – |
| 2026 Mar 31 17:57 | 2026 Mar 26 09:31:26 | 26.4389 | 0.71572 | 15.8820 | 247.2290 | 20.2969 | 2.38954 | – |
| 2026 Mar 30 17:58 | 2026 Mar 26 09:31:26 | 26.4389 | 0.71572 | 15.8820 | 247.2290 | 20.2969 | 2.38954 | – |
| 2026 Mar 29 17:57 | 2026 Mar 26 09:31:26 | 26.4389 | 0.71572 | 15.8820 | 247.2290 | 20.2969 | 2.38954 | – |
| 2026 Mar 28 18:57 | 2026 Mar 26 09:31:26 | 26.4389 | 0.71572 | 15.8820 | 247.2290 | 20.2969 | 2.38954 | – |
| 2026 Mar 27 18:57 | 2026 Mar 26 09:31:26 | 26.4389 | 0.71572 | 15.8820 | 247.2290 | 20.2969 | 2.38954 | – |
| 2026 Mar 26 18:57 | 2026 Mar 26 09:31:26 | 26.4389 | 0.71572 | 15.8820 | 247.2290 | 20.2969 | 2.38954 | – |
| 2026 Mar 25 18:56 | 2026 Mar 18 20:48:40 | 26.4606 | 0.71582 | 16.0794 | 242.3318 | 20.2969 | 2.38954 | – |
| 2026 Mar 24 18:56 | 2026 Mar 18 20:48:40 | 26.4606 | 0.71582 | 16.0794 | 242.3318 | 20.2969 | 2.38954 | – |
| 2026 Mar 23 18:56 | 2026 Mar 18 20:48:40 | 26.4606 | 0.71582 | 16.0794 | 242.3318 | 20.2969 | 2.38954 | – |
| 2026 Mar 22 18:56 | 2026 Mar 18 20:48:40 | 26.4606 | 0.71582 | 16.0794 | 242.3318 | 20.2969 | 2.38954 | – |
| 2026 Mar 21 19:05 | 2026 Mar 18 20:48:40 | 26.4606 | 0.71582 | 16.0794 | 242.3318 | 20.2969 | 2.38954 | – |
| 2026 Mar 20 18:57 | 2026 Mar 18 20:48:40 | 26.4606 | 0.71582 | 16.0794 | 242.3318 | 20.2969 | 2.38954 | – |
| 2026 Mar 19 18:56 | 2026 Mar 13 00:15:48 | 26.4793 | 0.71591 | 16.2330 | 238.5185 | 20.2969 | 2.38954 | – |