Orbital elements of IUS R/B(2)
| Launched | 1 August 1991 |
| Flight ended | – |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 21641 |
| 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 Dec 08 18:56 | 2025 Dec 07 04:15:38 | 13.9650 | 0.00364 | 22.3014 | 340.5780 | 71.1324 | 1.00389 | – |
| 2025 Dec 07 18:56 | 2025 Dec 07 04:15:38 | 13.9650 | 0.00364 | 22.3014 | 340.5780 | 71.1324 | 1.00389 | – |
| 2025 Dec 06 18:56 | 2025 Dec 02 01:14:57 | 13.9708 | 0.00364 | 22.3042 | 340.4354 | 71.1324 | 1.00389 | – |
| 2025 Dec 05 18:57 | 2025 Dec 02 01:14:57 | 13.9708 | 0.00364 | 22.3042 | 340.4354 | 71.1324 | 1.00389 | – |
| 2025 Dec 04 18:57 | 2025 Dec 02 01:14:57 | 13.9708 | 0.00364 | 22.3042 | 340.4354 | 71.1324 | 1.00389 | – |
| 2025 Dec 03 18:56 | 2025 Dec 02 01:14:57 | 13.9708 | 0.00364 | 22.3042 | 340.4354 | 71.1324 | 1.00389 | – |
| 2025 Dec 02 18:56 | 2025 Dec 02 01:14:57 | 13.9708 | 0.00364 | 22.3042 | 340.4354 | 71.1324 | 1.00389 | – |
| 2025 Nov 30 18:57 | 2025 Nov 25 01:26:20 | 13.9788 | 0.00363 | 22.3080 | 340.0654 | 71.1324 | 1.00389 | – |
| 2025 Nov 29 18:56 | 2025 Nov 25 01:26:20 | 13.9788 | 0.00363 | 22.3080 | 340.0654 | 71.1324 | 1.00389 | – |
| 2025 Nov 28 18:57 | 2025 Nov 25 01:26:20 | 13.9788 | 0.00363 | 22.3080 | 340.0654 | 71.1324 | 1.00389 | – |
| 2025 Nov 27 18:57 | 2025 Nov 25 01:26:20 | 13.9788 | 0.00363 | 22.3080 | 340.0654 | 71.1324 | 1.00389 | – |
| 2025 Nov 26 18:57 | 2025 Nov 25 01:26:20 | 13.9788 | 0.00363 | 22.3080 | 340.0654 | 71.1324 | 1.00389 | – |
| 2025 Nov 25 18:57 | 2025 Nov 25 01:26:20 | 13.9788 | 0.00363 | 22.3080 | 340.0654 | 71.1324 | 1.00389 | – |
| 2025 Nov 24 18:56 | 2025 Nov 20 03:17:06 | 13.9845 | 0.00361 | 22.3106 | 339.8530 | 71.1324 | 1.00389 | – |
| 2025 Nov 23 18:57 | 2025 Nov 20 03:17:06 | 13.9845 | 0.00361 | 22.3106 | 339.8530 | 71.1324 | 1.00389 | – |
| 2025 Nov 21 18:57 | 2025 Nov 20 03:17:06 | 13.9845 | 0.00361 | 22.3106 | 339.8530 | 71.1324 | 1.00389 | – |
| 2025 Nov 20 18:56 | 2025 Nov 20 03:17:06 | 13.9845 | 0.00361 | 22.3106 | 339.8530 | 71.1324 | 1.00389 | – |
| 2025 Nov 18 18:57 | 2025 Nov 08 15:34:41 | 13.9975 | 0.00358 | 22.3168 | 339.7154 | 71.1324 | 1.00389 | – |
| 2025 Nov 16 18:58 | 2025 Nov 08 15:34:41 | 13.9975 | 0.00358 | 22.3168 | 339.7154 | 71.1324 | 1.00389 | – |
| 2025 Nov 15 18:57 | 2025 Nov 08 15:34:41 | 13.9975 | 0.00358 | 22.3168 | 339.7154 | 71.1324 | 1.00389 | – |
| 2025 Nov 13 18:56 | 2025 Nov 08 15:34:41 | 13.9975 | 0.00358 | 22.3168 | 339.7154 | 71.1324 | 1.00389 | – |
| 2025 Nov 12 18:57 | 2025 Nov 08 15:34:41 | 13.9975 | 0.00358 | 22.3168 | 339.7154 | 71.1324 | 1.00389 | – |
| 2025 Nov 11 18:55 | 2025 Nov 08 15:34:41 | 13.9975 | 0.00358 | 22.3168 | 339.7154 | 71.1324 | 1.00389 | – |