Orbital elements of IUS R/B(1)
| Launched | 8 April 1999 |
| Flight ended | – |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 25671 |
| 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 May 22 17:57 | 2026 May 20 03:04:44 | 29.0978 | 0.72169 | 0.7340 | 266.3520 | 16.2921 | 2.29317 | – |
| 2026 May 21 17:57 | 2026 May 20 03:04:44 | 29.0978 | 0.72169 | 0.7340 | 266.3520 | 16.2921 | 2.29317 | – |
| 2026 May 20 17:57 | 2026 May 13 03:40:10 | 29.0945 | 0.72161 | 0.8977 | 262.3754 | 16.2921 | 2.29317 | – |
| 2026 May 19 17:58 | 2026 May 13 03:40:10 | 29.0945 | 0.72161 | 0.8977 | 262.3754 | 16.2921 | 2.29317 | – |
| 2026 May 18 17:57 | 2026 May 13 03:40:10 | 29.0945 | 0.72161 | 0.8977 | 262.3754 | 16.2921 | 2.29317 | – |
| 2026 May 17 17:57 | 2026 May 13 03:40:10 | 29.0945 | 0.72161 | 0.8977 | 262.3754 | 16.2921 | 2.29317 | – |
| 2026 May 16 17:56 | 2026 May 13 03:40:10 | 29.0945 | 0.72161 | 0.8977 | 262.3754 | 16.2921 | 2.29317 | – |
| 2026 May 15 17:57 | 2026 May 05 17:48:05 | 29.0917 | 0.72152 | 1.0714 | 258.1639 | 16.2921 | 2.29317 | – |
| 2026 May 14 17:58 | 2026 May 05 17:48:05 | 29.0917 | 0.72152 | 1.0714 | 258.1639 | 16.2921 | 2.29317 | – |
| 2026 May 13 17:58 | 2026 May 05 17:48:05 | 29.0917 | 0.72152 | 1.0714 | 258.1639 | 16.2921 | 2.29317 | – |
| 2026 May 12 17:58 | 2026 May 05 17:48:05 | 29.0917 | 0.72152 | 1.0714 | 258.1639 | 16.2921 | 2.29317 | – |
| 2026 May 11 17:56 | 2026 May 05 17:48:05 | 29.0917 | 0.72152 | 1.0714 | 258.1639 | 16.2921 | 2.29317 | – |
| 2026 May 10 17:57 | 2026 May 05 17:48:05 | 29.0917 | 0.72152 | 1.0714 | 258.1639 | 16.2921 | 2.29317 | – |
| 2026 May 09 17:57 | 2026 May 01 19:38:20 | 29.0902 | 0.72148 | 1.1633 | 255.9344 | 16.2921 | 2.29317 | – |
| 2026 May 08 17:57 | 2026 May 01 19:38:20 | 29.0902 | 0.72148 | 1.1633 | 255.9344 | 16.2921 | 2.29317 | – |
| 2026 May 07 17:58 | 2026 May 01 19:38:20 | 29.0902 | 0.72148 | 1.1633 | 255.9344 | 16.2921 | 2.29317 | – |
| 2026 May 06 17:57 | 2026 May 01 19:38:20 | 29.0902 | 0.72148 | 1.1633 | 255.9344 | 16.2921 | 2.29317 | – |
| 2026 May 05 17:57 | 2026 May 01 19:38:20 | 29.0902 | 0.72148 | 1.1633 | 255.9344 | 16.2921 | 2.29317 | – |
| 2026 May 04 17:57 | 2026 Apr 28 18:24:13 | 29.0888 | 0.72145 | 1.2346 | 254.2080 | 16.2921 | 2.29317 | – |
| 2026 May 03 17:57 | 2026 Apr 28 18:24:13 | 29.0888 | 0.72145 | 1.2346 | 254.2080 | 16.2921 | 2.29317 | – |
| 2026 May 02 17:57 | 2026 Apr 28 18:24:13 | 29.0888 | 0.72145 | 1.2346 | 254.2080 | 16.2921 | 2.29317 | – |
| 2026 May 01 17:56 | 2026 Apr 28 18:24:13 | 29.0888 | 0.72145 | 1.2346 | 254.2080 | 16.2921 | 2.29317 | – |
| 2026 Apr 30 17:56 | 2026 Apr 28 18:24:13 | 29.0888 | 0.72145 | 1.2346 | 254.2080 | 16.2921 | 2.29317 | – |
| 2026 Apr 29 17:57 | 2026 Apr 22 15:56:04 | 29.0858 | 0.72140 | 1.3772 | 250.7443 | 16.2921 | 2.29317 | – |
| 2026 Apr 28 17:56 | 2026 Apr 22 15:56:04 | 29.0858 | 0.72140 | 1.3772 | 250.7443 | 16.2921 | 2.29317 | – |
| 2026 Apr 27 17:58 | 2026 Apr 22 15:56:04 | 29.0858 | 0.72140 | 1.3772 | 250.7443 | 16.2921 | 2.29317 | – |
| 2026 Apr 26 17:58 | 2026 Apr 22 15:56:04 | 29.0858 | 0.72140 | 1.3772 | 250.7443 | 16.2921 | 2.29317 | – |
| 2026 Apr 25 17:58 | 2026 Apr 22 15:56:04 | 29.0858 | 0.72140 | 1.3772 | 250.7443 | 16.2921 | 2.29317 | – |