Orbital elements of IUS R/B(1)
| Launched | 3 May 1989 |
| Flight ended | – |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 19970 |
| 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 15 17:56 | 2025 Sep 14 23:29:02 | 28.0362 | 0.59051 | 4.1276 | 233.2811 | 56.9224 | 4.15760 | 4.243 |
| 2025 Sep 12 17:57 | 2025 Sep 02 23:12:23 | 28.0199 | 0.59063 | 4.7442 | 218.0900 | 56.9224 | 4.15760 | 4.243 |
| 2025 Sep 11 17:57 | 2025 Sep 02 23:12:23 | 28.0199 | 0.59063 | 4.7442 | 218.0900 | 56.9224 | 4.15760 | 4.243 |
| 2025 Sep 10 17:56 | 2025 Sep 02 23:12:23 | 28.0199 | 0.59063 | 4.7442 | 218.0900 | 56.9224 | 4.15760 | 4.243 |
| 2025 Sep 08 17:57 | 2025 Sep 02 23:12:23 | 28.0199 | 0.59063 | 4.7442 | 218.0900 | 56.9224 | 4.15760 | 4.243 |
| 2025 Sep 07 17:56 | 2025 Sep 02 23:12:23 | 28.0199 | 0.59063 | 4.7442 | 218.0900 | 56.9224 | 4.15760 | 4.243 |
| 2025 Sep 06 20:41 | 2025 Sep 02 23:12:23 | 28.0199 | 0.59063 | 4.7442 | 218.0900 | 56.9224 | 4.15760 | 4.243 |
| 2025 Sep 03 17:57 | 2025 Sep 02 23:12:23 | 28.0199 | 0.59063 | 4.7442 | 218.0900 | 56.9224 | 4.15760 | 4.243 |
| 2025 Sep 02 17:56 | 2025 Aug 27 17:20:33 | 28.0094 | 0.59072 | 5.0653 | 210.1839 | 56.9224 | 4.15760 | 4.243 |
| 2025 Sep 01 17:56 | 2025 Aug 27 17:20:33 | 28.0094 | 0.59072 | 5.0653 | 210.1839 | 56.9224 | 4.15760 | 4.243 |
| 2025 Aug 31 17:56 | 2025 Aug 27 17:20:33 | 28.0094 | 0.59072 | 5.0653 | 210.1839 | 56.9224 | 4.15760 | 4.243 |
| 2025 Aug 30 17:56 | 2025 Aug 27 17:20:33 | 28.0094 | 0.59072 | 5.0653 | 210.1839 | 56.9224 | 4.15760 | 4.243 |
| 2025 Aug 29 17:56 | 2025 Aug 27 17:20:33 | 28.0094 | 0.59072 | 5.0653 | 210.1839 | 56.9224 | 4.15760 | 4.243 |
| 2025 Aug 28 17:57 | 2025 Aug 27 17:20:33 | 28.0094 | 0.59072 | 5.0653 | 210.1839 | 56.9224 | 4.15760 | 4.243 |
| 2025 Aug 27 17:56 | 2025 Aug 22 22:05:05 | 28.0004 | 0.59079 | 5.3124 | 204.1012 | 56.9224 | 4.15760 | 4.243 |
| 2025 Aug 26 17:56 | 2025 Aug 22 22:05:05 | 28.0004 | 0.59079 | 5.3124 | 204.1012 | 56.9224 | 4.15760 | 4.243 |
| 2025 Aug 25 17:56 | 2025 Aug 22 22:05:05 | 28.0004 | 0.59079 | 5.3124 | 204.1012 | 56.9224 | 4.15760 | 4.243 |
| 2025 Aug 24 17:56 | 2025 Aug 22 22:05:05 | 28.0004 | 0.59079 | 5.3124 | 204.1012 | 56.9224 | 4.15760 | 4.243 |
| 2025 Aug 23 17:56 | 2025 Aug 22 22:05:05 | 28.0004 | 0.59079 | 5.3124 | 204.1012 | 56.9224 | 4.15760 | 4.243 |
| 2025 Aug 22 17:56 | 2025 Aug 17 15:19:28 | 27.9868 | 0.59090 | 5.5845 | 197.4005 | 56.9224 | 4.15760 | 4.243 |