Orbital elements of IUS R/B(2)
| Launched | 28 September 1988 |
| Flight ended | – |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 19550 |
| 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 May 09 17:57 | 2025 May 09 02:40:05 | 12.6979 | 0.00186 | 22.2625 | 293.7098 | 74.0968 | 1.00492 | – |
| 2025 May 08 17:56 | 2025 May 03 14:22:10 | 12.7044 | 0.00186 | 22.2651 | 293.7894 | 74.0968 | 1.00492 | – |
| 2025 May 07 17:56 | 2025 May 03 14:22:10 | 12.7044 | 0.00186 | 22.2651 | 293.7894 | 74.0968 | 1.00492 | – |
| 2025 May 06 17:57 | 2025 May 03 14:22:10 | 12.7044 | 0.00186 | 22.2651 | 293.7894 | 74.0968 | 1.00492 | – |
| 2025 May 05 17:56 | 2025 May 03 14:22:10 | 12.7044 | 0.00186 | 22.2651 | 293.7894 | 74.0968 | 1.00492 | – |
| 2025 May 04 17:57 | 2025 May 03 14:22:10 | 12.7044 | 0.00186 | 22.2651 | 293.7894 | 74.0968 | 1.00492 | – |
| 2025 May 03 17:57 | 2025 May 03 14:22:10 | 12.7044 | 0.00186 | 22.2651 | 293.7894 | 74.0968 | 1.00492 | – |
| 2025 May 01 17:56 | 2025 Apr 22 03:58:38 | 12.7181 | 0.00188 | 22.2708 | 293.9789 | 74.0968 | 1.00492 | – |
| 2025 Apr 30 17:56 | 2025 Apr 22 03:58:38 | 12.7181 | 0.00188 | 22.2708 | 293.9789 | 74.0968 | 1.00492 | – |
| 2025 Apr 29 17:57 | 2025 Apr 22 03:58:38 | 12.7181 | 0.00188 | 22.2708 | 293.9789 | 74.0968 | 1.00492 | – |
| 2025 Apr 27 17:56 | 2025 Apr 22 03:58:38 | 12.7181 | 0.00188 | 22.2708 | 293.9789 | 74.0968 | 1.00492 | – |
| 2025 Apr 26 17:57 | 2025 Apr 22 03:58:38 | 12.7181 | 0.00188 | 22.2708 | 293.9789 | 74.0968 | 1.00492 | – |
| 2025 Apr 25 17:56 | 2025 Apr 22 03:58:38 | 12.7181 | 0.00188 | 22.2708 | 293.9789 | 74.0968 | 1.00492 | – |
| 2025 Apr 24 17:56 | 2025 Apr 22 03:58:38 | 12.7181 | 0.00188 | 22.2708 | 293.9789 | 74.0968 | 1.00492 | – |
| 2025 Apr 23 17:57 | 2025 Apr 22 03:58:38 | 12.7181 | 0.00188 | 22.2708 | 293.9789 | 74.0968 | 1.00492 | – |
| 2025 Apr 22 17:56 | 2025 Apr 22 03:58:38 | 12.7181 | 0.00188 | 22.2708 | 293.9789 | 74.0968 | 1.00492 | – |
| 2025 Apr 21 17:57 | 2025 Apr 15 18:27:02 | 12.7258 | 0.00188 | 22.2738 | 293.6517 | 74.0968 | 1.00492 | – |
| 2025 Apr 20 17:56 | 2025 Apr 15 18:27:02 | 12.7258 | 0.00188 | 22.2738 | 293.6517 | 74.0968 | 1.00492 | – |
| 2025 Apr 19 17:56 | 2025 Apr 15 18:27:02 | 12.7258 | 0.00188 | 22.2738 | 293.6517 | 74.0968 | 1.00492 | – |
| 2025 Apr 18 17:57 | 2025 Apr 15 18:27:02 | 12.7258 | 0.00188 | 22.2738 | 293.6517 | 74.0968 | 1.00492 | – |
| 2025 Apr 17 17:56 | 2025 Apr 15 18:27:02 | 12.7258 | 0.00188 | 22.2738 | 293.6517 | 74.0968 | 1.00492 | – |
| 2025 Apr 16 17:57 | 2025 Apr 15 18:27:02 | 12.7258 | 0.00188 | 22.2738 | 293.6517 | 74.0968 | 1.00492 | – |
| 2025 Apr 15 17:56 | 2025 Apr 11 04:32:28 | 12.7314 | 0.00188 | 22.2760 | 293.4781 | 74.0968 | 1.00492 | – |
| 2025 Apr 14 17:56 | 2025 Apr 11 04:32:28 | 12.7314 | 0.00188 | 22.2760 | 293.4781 | 74.0968 | 1.00492 | – |