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 Oct 18 17:56 | 2025 Oct 17 19:15:53 | 26.4074 | 0.66419 | 11.0369 | 2.1778 | 359.7981 | 3.09730 | 5.243 |
| 2025 Oct 17 17:56 | 2025 Oct 07 11:17:51 | 26.4050 | 0.66444 | 11.4081 | 352.8310 | 359.7981 | 3.09730 | 5.243 |
| 2025 Oct 16 17:56 | 2025 Oct 07 11:17:51 | 26.4050 | 0.66444 | 11.4081 | 352.8310 | 359.7981 | 3.09730 | 5.243 |
| 2025 Oct 15 17:56 | 2025 Oct 07 11:17:51 | 26.4050 | 0.66444 | 11.4081 | 352.8310 | 359.7981 | 3.09730 | 5.243 |
| 2025 Oct 14 17:56 | 2025 Oct 07 11:17:51 | 26.4050 | 0.66444 | 11.4081 | 352.8310 | 359.7981 | 3.09730 | 5.243 |
| 2025 Oct 12 17:56 | 2025 Oct 07 11:17:51 | 26.4050 | 0.66444 | 11.4081 | 352.8310 | 359.7981 | 3.09730 | 5.243 |
| 2025 Oct 11 17:57 | 2025 Oct 07 11:17:51 | 26.4050 | 0.66444 | 11.4081 | 352.8310 | 359.7981 | 3.09730 | 5.243 |
| 2025 Oct 09 17:56 | 2025 Oct 07 11:17:51 | 26.4050 | 0.66444 | 11.4081 | 352.8310 | 359.7981 | 3.09730 | 5.243 |
| 2025 Oct 08 17:56 | 2025 Oct 07 11:17:51 | 26.4050 | 0.66444 | 11.4081 | 352.8310 | 359.7981 | 3.09730 | 5.243 |
| 2025 Oct 07 17:56 | 2025 Oct 07 11:17:51 | 26.4050 | 0.66444 | 11.4081 | 352.8310 | 359.7981 | 3.09730 | 5.243 |
| 2025 Oct 05 17:56 | 2025 Sep 25 20:13:28 | 26.4041 | 0.66482 | 11.8268 | 342.2933 | 359.7981 | 3.09730 | 5.243 |
| 2025 Oct 04 17:57 | 2025 Sep 25 20:13:28 | 26.4041 | 0.66482 | 11.8268 | 342.2933 | 359.7981 | 3.09730 | 5.243 |
| 2025 Oct 03 17:57 | 2025 Sep 25 20:13:28 | 26.4041 | 0.66482 | 11.8268 | 342.2933 | 359.7981 | 3.09730 | 5.243 |
| 2025 Oct 02 17:56 | 2025 Sep 25 20:13:28 | 26.4041 | 0.66482 | 11.8268 | 342.2933 | 359.7981 | 3.09730 | 5.243 |
| 2025 Sep 30 17:56 | 2025 Sep 25 20:13:28 | 26.4041 | 0.66482 | 11.8268 | 342.2933 | 359.7981 | 3.09730 | 5.243 |
| 2025 Sep 29 17:56 | 2025 Sep 25 20:13:28 | 26.4041 | 0.66482 | 11.8268 | 342.2933 | 359.7981 | 3.09730 | 5.243 |
| 2025 Sep 28 17:56 | 2025 Sep 25 20:13:28 | 26.4041 | 0.66482 | 11.8268 | 342.2933 | 359.7981 | 3.09730 | 5.243 |
| 2025 Sep 27 17:56 | 2025 Sep 25 20:13:28 | 26.4041 | 0.66482 | 11.8268 | 342.2933 | 359.7981 | 3.09730 | 5.243 |
| 2025 Sep 26 17:56 | 2025 Sep 25 20:13:28 | 26.4041 | 0.66482 | 11.8268 | 342.2933 | 359.7981 | 3.09730 | 5.243 |
| 2025 Sep 25 17:56 | 2025 Sep 17 10:35:23 | 26.4049 | 0.66508 | 12.1297 | 334.6771 | 359.7981 | 3.09730 | 5.243 |
| 2025 Sep 24 17:56 | 2025 Sep 17 10:35:23 | 26.4049 | 0.66508 | 12.1297 | 334.6771 | 359.7981 | 3.09730 | 5.243 |