Orbital elements of IUS R/B(1)
| Launched | 3 April 1983 |
| Flight ended | – |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 13971 |
| 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 Sep 12 17:57 | 2025 Sep 02 23:12:09 | 25.9571 | 0.59039 | 4.9195 | 49.4821 | 348.7796 | 4.17278 | 4.243 |
| 2025 Sep 11 17:57 | 2025 Sep 02 23:12:09 | 25.9571 | 0.59039 | 4.9195 | 49.4821 | 348.7796 | 4.17278 | 4.243 |
| 2025 Sep 10 17:56 | 2025 Sep 02 23:12:09 | 25.9571 | 0.59039 | 4.9195 | 49.4821 | 348.7796 | 4.17278 | 4.243 |
| 2025 Sep 08 17:57 | 2025 Sep 02 23:12:09 | 25.9571 | 0.59039 | 4.9195 | 49.4821 | 348.7796 | 4.17278 | 4.243 |
| 2025 Sep 07 17:56 | 2025 Sep 02 23:12:09 | 25.9571 | 0.59039 | 4.9195 | 49.4821 | 348.7796 | 4.17278 | 4.243 |
| 2025 Sep 06 20:41 | 2025 Sep 02 23:12:09 | 25.9571 | 0.59039 | 4.9195 | 49.4821 | 348.7796 | 4.17278 | 4.243 |
| 2025 Sep 03 17:57 | 2025 Sep 02 23:12:09 | 25.9571 | 0.59039 | 4.9195 | 49.4821 | 348.7796 | 4.17278 | 4.243 |
| 2025 Sep 02 17:56 | 2025 Aug 27 17:40:55 | 25.9523 | 0.59052 | 5.2493 | 41.1168 | 348.7796 | 4.17278 | 4.243 |
| 2025 Sep 01 17:56 | 2025 Aug 27 17:40:55 | 25.9523 | 0.59052 | 5.2493 | 41.1168 | 348.7796 | 4.17278 | 4.243 |
| 2025 Aug 31 17:56 | 2025 Aug 27 17:40:55 | 25.9523 | 0.59052 | 5.2493 | 41.1168 | 348.7796 | 4.17278 | 4.243 |
| 2025 Aug 30 17:56 | 2025 Aug 27 17:40:55 | 25.9523 | 0.59052 | 5.2493 | 41.1168 | 348.7796 | 4.17278 | 4.243 |
| 2025 Aug 29 17:56 | 2025 Aug 27 17:40:55 | 25.9523 | 0.59052 | 5.2493 | 41.1168 | 348.7796 | 4.17278 | 4.243 |
| 2025 Aug 28 17:57 | 2025 Aug 27 17:40:55 | 25.9523 | 0.59052 | 5.2493 | 41.1168 | 348.7796 | 4.17278 | 4.243 |
| 2025 Aug 27 17:56 | 2025 Aug 22 22:38:49 | 25.9478 | 0.59065 | 5.5030 | 34.6782 | 348.7796 | 4.17278 | 4.243 |
| 2025 Aug 26 17:56 | 2025 Aug 22 22:38:49 | 25.9478 | 0.59065 | 5.5030 | 34.6782 | 348.7796 | 4.17278 | 4.243 |
| 2025 Aug 25 17:56 | 2025 Aug 22 22:38:49 | 25.9478 | 0.59065 | 5.5030 | 34.6782 | 348.7796 | 4.17278 | 4.243 |
| 2025 Aug 24 17:56 | 2025 Aug 22 22:38:49 | 25.9478 | 0.59065 | 5.5030 | 34.6782 | 348.7796 | 4.17278 | 4.243 |
| 2025 Aug 23 17:56 | 2025 Aug 22 22:38:49 | 25.9478 | 0.59065 | 5.5030 | 34.6782 | 348.7796 | 4.17278 | 4.243 |
| 2025 Aug 22 17:56 | 2025 Aug 17 21:50:38 | 25.9426 | 0.59077 | 5.7699 | 27.9081 | 348.7796 | 4.17278 | 4.243 |
| 2025 Aug 20 17:56 | 2025 Aug 17 21:50:38 | 25.9426 | 0.59077 | 5.7699 | 27.9081 | 348.7796 | 4.17278 | 4.243 |
| 2025 Aug 19 17:56 | 2025 Aug 17 21:50:38 | 25.9426 | 0.59077 | 5.7699 | 27.9081 | 348.7796 | 4.17278 | 4.243 |
| 2025 Aug 18 17:56 | 2025 Aug 17 21:50:38 | 25.9426 | 0.59077 | 5.7699 | 27.9081 | 348.7796 | 4.17278 | 4.243 |