Orbital elements of IUS R/B(1)
| Launched | 22 November 1989 |
| Flight ended | – |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 20356 |
| 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 May 09 17:57 | 2025 May 08 12:15:52 | 27.3650 | 0.64094 | 12.8483 | 107.3714 | 328.3309 | 3.46501 | – |
| 2025 May 08 17:56 | 2025 May 02 17:47:24 | 27.3605 | 0.64111 | 13.0888 | 101.4365 | 328.3309 | 3.46501 | – |
| 2025 May 07 17:56 | 2025 May 02 17:47:24 | 27.3605 | 0.64111 | 13.0888 | 101.4365 | 328.3309 | 3.46501 | – |
| 2025 May 06 17:57 | 2025 May 02 17:47:24 | 27.3605 | 0.64111 | 13.0888 | 101.4365 | 328.3309 | 3.46501 | – |
| 2025 May 05 17:56 | 2025 May 02 17:47:24 | 27.3605 | 0.64111 | 13.0888 | 101.4365 | 328.3309 | 3.46501 | – |
| 2025 May 04 17:57 | 2025 May 02 17:47:24 | 27.3605 | 0.64111 | 13.0888 | 101.4365 | 328.3309 | 3.46501 | – |
| 2025 May 03 17:57 | 2025 May 02 17:47:24 | 27.3605 | 0.64111 | 13.0888 | 101.4365 | 328.3309 | 3.46501 | – |
| 2025 May 01 17:56 | 2025 Apr 21 18:31:58 | 27.3575 | 0.64144 | 13.5462 | 90.1596 | 328.3309 | 3.46501 | – |
| 2025 Apr 30 17:56 | 2025 Apr 21 18:31:58 | 27.3575 | 0.64144 | 13.5462 | 90.1596 | 328.3309 | 3.46501 | – |
| 2025 Apr 29 17:57 | 2025 Apr 21 18:31:58 | 27.3575 | 0.64144 | 13.5462 | 90.1596 | 328.3309 | 3.46501 | – |
| 2025 Apr 27 17:56 | 2025 Apr 21 18:31:58 | 27.3575 | 0.64144 | 13.5462 | 90.1596 | 328.3309 | 3.46501 | – |
| 2025 Apr 26 17:57 | 2025 Apr 21 18:31:58 | 27.3575 | 0.64144 | 13.5462 | 90.1596 | 328.3309 | 3.46501 | – |
| 2025 Apr 25 17:56 | 2025 Apr 21 18:31:58 | 27.3575 | 0.64144 | 13.5462 | 90.1596 | 328.3309 | 3.46501 | – |
| 2025 Apr 24 17:56 | 2025 Apr 21 18:31:58 | 27.3575 | 0.64144 | 13.5462 | 90.1596 | 328.3309 | 3.46501 | – |
| 2025 Apr 23 17:57 | 2025 Apr 21 18:31:58 | 27.3575 | 0.64144 | 13.5462 | 90.1596 | 328.3309 | 3.46501 | – |
| 2025 Apr 22 17:56 | 2025 Apr 21 18:31:58 | 27.3575 | 0.64144 | 13.5462 | 90.1596 | 328.3309 | 3.46501 | – |
| 2025 Apr 21 17:57 | 2025 Apr 15 16:57:26 | 27.3574 | 0.64158 | 13.7989 | 83.9289 | 328.3309 | 3.46501 | – |
| 2025 Apr 20 17:56 | 2025 Apr 15 16:57:26 | 27.3574 | 0.64158 | 13.7989 | 83.9289 | 328.3309 | 3.46501 | – |
| 2025 Apr 19 17:56 | 2025 Apr 15 16:57:26 | 27.3574 | 0.64158 | 13.7989 | 83.9289 | 328.3309 | 3.46501 | – |
| 2025 Apr 18 17:57 | 2025 Apr 15 16:57:26 | 27.3574 | 0.64158 | 13.7989 | 83.9289 | 328.3309 | 3.46501 | – |
| 2025 Apr 17 17:56 | 2025 Apr 15 16:57:26 | 27.3574 | 0.64158 | 13.7989 | 83.9289 | 328.3309 | 3.46501 | – |
| 2025 Apr 16 17:57 | 2025 Apr 15 16:57:26 | 27.3574 | 0.64158 | 13.7989 | 83.9289 | 328.3309 | 3.46501 | – |
| 2025 Apr 15 17:56 | 2025 Apr 11 08:56:07 | 27.3595 | 0.64166 | 13.9794 | 79.4763 | 328.3309 | 3.46501 | – |
| 2025 Apr 14 17:56 | 2025 Apr 11 08:56:07 | 27.3595 | 0.64166 | 13.9794 | 79.4763 | 328.3309 | 3.46501 | – |