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 |
| 2026 Jun 26 17:56 | 2026 Jun 22 13:16:05 | 25.8657 | 0.58988 | 13.4092 | 82.5676 | 337.1145 | 4.19209 | 4.243 |
| 2026 Jun 25 17:56 | 2026 Jun 22 13:16:05 | 25.8657 | 0.58988 | 13.4092 | 82.5676 | 337.1145 | 4.19209 | 4.243 |
| 2026 Jun 24 17:55 | 2026 Jun 22 13:16:05 | 25.8657 | 0.58988 | 13.4092 | 82.5676 | 337.1145 | 4.19209 | 4.243 |
| 2026 Jun 23 17:56 | 2026 Jun 22 13:16:05 | 25.8657 | 0.58988 | 13.4092 | 82.5676 | 337.1145 | 4.19209 | 4.243 |
| 2026 Jun 22 17:56 | 2026 Jun 17 13:05:00 | 25.8660 | 0.58992 | 13.6785 | 75.7599 | 337.1145 | 4.19209 | 4.243 |
| 2026 Jun 21 17:57 | 2026 Jun 17 13:05:00 | 25.8660 | 0.58992 | 13.6785 | 75.7599 | 337.1145 | 4.19209 | 4.243 |
| 2026 Jun 20 17:56 | 2026 Jun 17 13:05:00 | 25.8660 | 0.58992 | 13.6785 | 75.7599 | 337.1145 | 4.19209 | 4.243 |
| 2026 Jun 19 17:57 | 2026 Jun 17 13:05:00 | 25.8660 | 0.58992 | 13.6785 | 75.7599 | 337.1145 | 4.19209 | 4.243 |
| 2026 Jun 18 17:56 | 2026 Jun 17 13:05:00 | 25.8660 | 0.58992 | 13.6785 | 75.7599 | 337.1145 | 4.19209 | 4.243 |
| 2026 Jun 17 17:57 | 2026 Jun 17 13:05:00 | 25.8660 | 0.58992 | 13.6785 | 75.7599 | 337.1145 | 4.19209 | 4.243 |
| 2026 Jun 16 17:55 | 2026 Jun 11 13:59:08 | 25.8683 | 0.58990 | 13.9994 | 67.6479 | 337.1145 | 4.19209 | 4.243 |
| 2026 Jun 15 17:56 | 2026 Jun 11 13:59:08 | 25.8683 | 0.58990 | 13.9994 | 67.6479 | 337.1145 | 4.19209 | 4.243 |
| 2026 Jun 14 17:57 | 2026 Jun 11 13:59:08 | 25.8683 | 0.58990 | 13.9994 | 67.6479 | 337.1145 | 4.19209 | 4.243 |
| 2026 Jun 13 17:56 | 2026 Jun 11 13:59:08 | 25.8683 | 0.58990 | 13.9994 | 67.6479 | 337.1145 | 4.19209 | 4.243 |
| 2026 Jun 12 17:56 | 2026 Jun 11 13:59:08 | 25.8683 | 0.58990 | 13.9994 | 67.6479 | 337.1145 | 4.19209 | 4.243 |
| 2026 Jun 11 17:57 | 2026 Jun 06 13:45:59 | 25.8708 | 0.58990 | 14.2688 | 60.8341 | 337.1145 | 4.19209 | 4.243 |
| 2026 Jun 10 17:56 | 2026 Jun 06 13:45:59 | 25.8708 | 0.58990 | 14.2688 | 60.8341 | 337.1145 | 4.19209 | 4.243 |
| 2026 Jun 09 17:57 | 2026 Jun 06 13:45:59 | 25.8708 | 0.58990 | 14.2688 | 60.8341 | 337.1145 | 4.19209 | 4.243 |
| 2026 Jun 08 17:56 | 2026 Jun 06 13:45:59 | 25.8708 | 0.58990 | 14.2688 | 60.8341 | 337.1145 | 4.19209 | 4.243 |
| 2026 Jun 07 17:56 | 2026 Jun 06 13:45:59 | 25.8708 | 0.58990 | 14.2688 | 60.8341 | 337.1145 | 4.19209 | 4.243 |
| 2026 Jun 06 17:56 | 2026 May 31 08:54:01 | 25.8730 | 0.58987 | 14.6015 | 52.4173 | 337.1145 | 4.19209 | 4.243 |
| 2026 Jun 05 17:56 | 2026 May 31 08:54:01 | 25.8730 | 0.58987 | 14.6015 | 52.4173 | 337.1145 | 4.19209 | 4.243 |
| 2026 Jun 04 17:57 | 2026 May 31 08:54:01 | 25.8730 | 0.58987 | 14.6015 | 52.4173 | 337.1145 | 4.19209 | 4.243 |
| 2026 Jun 02 17:56 | 2026 May 31 08:54:01 | 25.8730 | 0.58987 | 14.6015 | 52.4173 | 337.1145 | 4.19209 | 4.243 |
| 2026 Jun 01 17:57 | 2026 May 31 08:54:01 | 25.8730 | 0.58987 | 14.6015 | 52.4173 | 337.1145 | 4.19209 | 4.243 |
| 2026 May 31 17:58 | 2026 May 31 08:54:01 | 25.8730 | 0.58987 | 14.6015 | 52.4173 | 337.1145 | 4.19209 | 4.243 |
| 2026 May 30 17:57 | 2026 May 25 21:11:26 | 25.8762 | 0.58983 | 14.8961 | 44.9678 | 337.1145 | 4.19209 | 4.243 |