Orbital elements of IUS R/B(2)
| Launched | 28 September 1988 |
| Flight ended | – |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 19550 |
| 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 10 17:56 | 2026 Jun 07 04:51:12 | 12.2241 | 0.00200 | 22.0717 | 306.4411 | 46.7537 | 1.00456 | – |
| 2026 Jun 09 17:57 | 2026 Jun 07 04:51:12 | 12.2241 | 0.00200 | 22.0717 | 306.4411 | 46.7537 | 1.00456 | – |
| 2026 Jun 08 17:56 | 2026 Jun 07 04:51:12 | 12.2241 | 0.00200 | 22.0717 | 306.4411 | 46.7537 | 1.00456 | – |
| 2026 Jun 07 17:56 | 2026 Jun 07 04:51:12 | 12.2241 | 0.00200 | 22.0717 | 306.4411 | 46.7537 | 1.00456 | – |
| 2026 Jun 06 17:56 | 2026 May 31 06:51:20 | 12.2325 | 0.00200 | 22.0749 | 306.3740 | 46.7537 | 1.00456 | – |
| 2026 Jun 05 17:56 | 2026 May 31 06:51:20 | 12.2325 | 0.00200 | 22.0749 | 306.3740 | 46.7537 | 1.00456 | – |
| 2026 Jun 04 17:57 | 2026 May 31 06:51:20 | 12.2325 | 0.00200 | 22.0749 | 306.3740 | 46.7537 | 1.00456 | – |
| 2026 Jun 02 17:56 | 2026 May 31 06:51:20 | 12.2325 | 0.00200 | 22.0749 | 306.3740 | 46.7537 | 1.00456 | – |
| 2026 Jun 01 17:57 | 2026 May 31 06:51:20 | 12.2325 | 0.00200 | 22.0749 | 306.3740 | 46.7537 | 1.00456 | – |
| 2026 May 31 17:58 | 2026 May 31 06:51:20 | 12.2325 | 0.00200 | 22.0749 | 306.3740 | 46.7537 | 1.00456 | – |
| 2026 May 30 17:57 | 2026 May 25 19:04:59 | 12.2392 | 0.00200 | 22.0775 | 306.3572 | 46.7537 | 1.00456 | – |
| 2026 May 29 17:57 | 2026 May 25 19:04:59 | 12.2392 | 0.00200 | 22.0775 | 306.3572 | 46.7537 | 1.00456 | – |
| 2026 May 28 17:56 | 2026 May 25 19:04:59 | 12.2392 | 0.00200 | 22.0775 | 306.3572 | 46.7537 | 1.00456 | – |
| 2026 May 27 17:57 | 2026 May 25 19:04:59 | 12.2392 | 0.00200 | 22.0775 | 306.3572 | 46.7537 | 1.00456 | – |
| 2026 May 26 17:57 | 2026 May 25 19:04:59 | 12.2392 | 0.00200 | 22.0775 | 306.3572 | 46.7537 | 1.00456 | – |
| 2026 May 25 17:57 | 2026 May 21 07:16:24 | 12.2445 | 0.00200 | 22.0796 | 306.4020 | 46.7537 | 1.00456 | – |
| 2026 May 24 17:57 | 2026 May 21 07:16:24 | 12.2445 | 0.00200 | 22.0796 | 306.4020 | 46.7537 | 1.00456 | – |
| 2026 May 23 17:58 | 2026 May 21 07:16:24 | 12.2445 | 0.00200 | 22.0796 | 306.4020 | 46.7537 | 1.00456 | – |
| 2026 May 22 17:57 | 2026 May 21 07:16:24 | 12.2445 | 0.00200 | 22.0796 | 306.4020 | 46.7537 | 1.00456 | – |
| 2026 May 21 17:57 | 2026 May 21 07:16:24 | 12.2445 | 0.00200 | 22.0796 | 306.4020 | 46.7537 | 1.00456 | – |
| 2026 May 20 17:57 | 2026 May 16 07:28:41 | 12.2505 | 0.00200 | 22.0821 | 306.4903 | 46.7537 | 1.00456 | – |
| 2026 May 19 17:58 | 2026 May 16 07:28:41 | 12.2505 | 0.00200 | 22.0821 | 306.4903 | 46.7537 | 1.00456 | – |
| 2026 May 18 17:57 | 2026 May 16 07:28:41 | 12.2505 | 0.00200 | 22.0821 | 306.4903 | 46.7537 | 1.00456 | – |
| 2026 May 17 17:57 | 2026 May 16 07:28:41 | 12.2505 | 0.00200 | 22.0821 | 306.4903 | 46.7537 | 1.00456 | – |
| 2026 May 16 17:56 | 2026 May 16 07:28:41 | 12.2505 | 0.00200 | 22.0821 | 306.4903 | 46.7537 | 1.00456 | – |
| 2026 May 15 17:57 | 2026 May 09 21:27:08 | 12.2582 | 0.00201 | 22.0851 | 306.4263 | 46.7537 | 1.00456 | – |
| 2026 May 14 17:58 | 2026 May 09 21:27:08 | 12.2582 | 0.00201 | 22.0851 | 306.4263 | 46.7537 | 1.00456 | – |