Orbital elements of IUS R/B(2)
| Launched | 23 January 1985 |
| Flight ended | – |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 15545 |
| 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 Mar 17 18:56 | 2026 Mar 14 07:56:28 | 12.9385 | 0.00294 | 20.8844 | 303.6800 | 56.0465 | 1.00814 | 6.000 |
| 2026 Mar 16 18:57 | 2026 Mar 14 07:56:28 | 12.9385 | 0.00294 | 20.8844 | 303.6800 | 56.0465 | 1.00814 | 6.000 |
| 2026 Mar 15 18:56 | 2026 Mar 14 07:56:28 | 12.9385 | 0.00294 | 20.8844 | 303.6800 | 56.0465 | 1.00814 | 6.000 |
| 2026 Mar 14 18:56 | 2026 Mar 09 08:54:45 | 12.9479 | 0.00296 | 20.8876 | 303.3550 | 56.0465 | 1.00814 | 6.000 |
| 2026 Mar 13 18:57 | 2026 Mar 09 08:54:45 | 12.9479 | 0.00296 | 20.8876 | 303.3550 | 56.0465 | 1.00814 | 6.000 |
| 2026 Mar 12 18:57 | 2026 Mar 09 08:54:45 | 12.9479 | 0.00296 | 20.8876 | 303.3550 | 56.0465 | 1.00814 | 6.000 |
| 2026 Mar 11 18:56 | 2026 Mar 09 08:54:45 | 12.9479 | 0.00296 | 20.8876 | 303.3550 | 56.0465 | 1.00814 | 6.000 |
| 2026 Mar 10 18:56 | 2026 Mar 09 08:54:45 | 12.9479 | 0.00296 | 20.8876 | 303.3550 | 56.0465 | 1.00814 | 6.000 |
| 2026 Mar 09 18:56 | 2026 Mar 03 10:04:41 | 12.9590 | 0.00296 | 20.8916 | 303.0907 | 56.0465 | 1.00814 | 6.000 |
| 2026 Mar 08 18:57 | 2026 Mar 03 10:04:41 | 12.9590 | 0.00296 | 20.8916 | 303.0907 | 56.0465 | 1.00814 | 6.000 |
| 2026 Mar 07 18:57 | 2026 Mar 03 10:04:41 | 12.9590 | 0.00296 | 20.8916 | 303.0907 | 56.0465 | 1.00814 | 6.000 |
| 2026 Mar 06 18:56 | 2026 Mar 03 10:04:41 | 12.9590 | 0.00296 | 20.8916 | 303.0907 | 56.0465 | 1.00814 | 6.000 |
| 2026 Mar 05 18:56 | 2026 Mar 03 10:04:41 | 12.9590 | 0.00296 | 20.8916 | 303.0907 | 56.0465 | 1.00814 | 6.000 |
| 2026 Mar 04 18:57 | 2026 Mar 03 10:04:41 | 12.9590 | 0.00296 | 20.8916 | 303.0907 | 56.0465 | 1.00814 | 6.000 |
| 2026 Mar 03 18:56 | 2026 Feb 25 11:14:35 | 12.9696 | 0.00296 | 20.8957 | 303.0100 | 56.0465 | 1.00814 | 6.000 |
| 2026 Mar 02 18:57 | 2026 Feb 25 11:14:35 | 12.9696 | 0.00296 | 20.8957 | 303.0100 | 56.0465 | 1.00814 | 6.000 |
| 2026 Mar 01 18:57 | 2026 Feb 25 11:14:35 | 12.9696 | 0.00296 | 20.8957 | 303.0100 | 56.0465 | 1.00814 | 6.000 |
| 2026 Feb 28 18:56 | 2026 Feb 25 11:14:35 | 12.9696 | 0.00296 | 20.8957 | 303.0100 | 56.0465 | 1.00814 | 6.000 |
| 2026 Feb 27 19:05 | 2026 Feb 25 11:14:35 | 12.9696 | 0.00296 | 20.8957 | 303.0100 | 56.0465 | 1.00814 | 6.000 |
| 2026 Feb 26 20:45 | 2026 Feb 25 11:14:35 | 12.9696 | 0.00296 | 20.8957 | 303.0100 | 56.0465 | 1.00814 | 6.000 |