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 Oct 18 17:56 | 2025 Oct 18 05:48:10 | 14.0213 | 0.00354 | 22.3283 | 339.1167 | 25.9670 | 1.00378 | – |
| 2025 Oct 17 17:56 | 2025 Oct 07 06:55:01 | 14.0332 | 0.00354 | 22.3343 | 339.0251 | 25.9670 | 1.00378 | – |
| 2025 Oct 16 17:56 | 2025 Oct 07 06:55:01 | 14.0332 | 0.00354 | 22.3343 | 339.0251 | 25.9670 | 1.00378 | – |
| 2025 Oct 15 17:56 | 2025 Oct 07 06:55:01 | 14.0332 | 0.00354 | 22.3343 | 339.0251 | 25.9670 | 1.00378 | – |
| 2025 Oct 14 17:56 | 2025 Oct 07 06:55:01 | 14.0332 | 0.00354 | 22.3343 | 339.0251 | 25.9670 | 1.00378 | – |
| 2025 Oct 12 17:56 | 2025 Oct 07 06:55:01 | 14.0332 | 0.00354 | 22.3343 | 339.0251 | 25.9670 | 1.00378 | – |
| 2025 Oct 11 17:57 | 2025 Oct 07 06:55:01 | 14.0332 | 0.00354 | 22.3343 | 339.0251 | 25.9670 | 1.00378 | – |
| 2025 Oct 09 17:56 | 2025 Oct 07 06:55:01 | 14.0332 | 0.00354 | 22.3343 | 339.0251 | 25.9670 | 1.00378 | – |
| 2025 Oct 08 17:56 | 2025 Oct 07 06:55:01 | 14.0332 | 0.00354 | 22.3343 | 339.0251 | 25.9670 | 1.00378 | – |
| 2025 Oct 07 17:56 | 2025 Oct 07 06:55:01 | 14.0332 | 0.00354 | 22.3343 | 339.0251 | 25.9670 | 1.00378 | – |
| 2025 Oct 05 17:56 | 2025 Sep 25 08:00:27 | 14.0461 | 0.00351 | 22.3408 | 338.8132 | 25.9670 | 1.00378 | – |
| 2025 Oct 04 17:57 | 2025 Sep 25 08:00:27 | 14.0461 | 0.00351 | 22.3408 | 338.8132 | 25.9670 | 1.00378 | – |
| 2025 Oct 03 17:57 | 2025 Sep 25 08:00:27 | 14.0461 | 0.00351 | 22.3408 | 338.8132 | 25.9670 | 1.00378 | – |
| 2025 Oct 02 17:56 | 2025 Sep 25 08:00:27 | 14.0461 | 0.00351 | 22.3408 | 338.8132 | 25.9670 | 1.00378 | – |
| 2025 Sep 30 17:56 | 2025 Sep 25 08:00:27 | 14.0461 | 0.00351 | 22.3408 | 338.8132 | 25.9670 | 1.00378 | – |
| 2025 Sep 29 17:56 | 2025 Sep 25 08:00:27 | 14.0461 | 0.00351 | 22.3408 | 338.8132 | 25.9670 | 1.00378 | – |
| 2025 Sep 28 17:56 | 2025 Sep 25 08:00:27 | 14.0461 | 0.00351 | 22.3408 | 338.8132 | 25.9670 | 1.00378 | – |
| 2025 Sep 27 17:56 | 2025 Sep 25 08:00:27 | 14.0461 | 0.00351 | 22.3408 | 338.8132 | 25.9670 | 1.00378 | – |
| 2025 Sep 26 17:56 | 2025 Sep 25 08:00:27 | 14.0461 | 0.00351 | 22.3408 | 338.8132 | 25.9670 | 1.00378 | – |
| 2025 Sep 25 17:56 | 2025 Sep 19 08:07:22 | 14.0527 | 0.00350 | 22.3440 | 338.8845 | 25.9670 | 1.00378 | – |
| 2025 Sep 24 17:56 | 2025 Sep 19 08:07:22 | 14.0527 | 0.00350 | 22.3440 | 338.8845 | 25.9670 | 1.00378 | – |