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 26 17:56 | 2026 Jun 22 16:11:16 | 12.2057 | 0.00199 | 22.0641 | 305.7716 | 243.1211 | 1.00459 | – |
| 2026 Jun 25 17:56 | 2026 Jun 22 16:11:16 | 12.2057 | 0.00199 | 22.0641 | 305.7716 | 243.1211 | 1.00459 | – |
| 2026 Jun 24 17:55 | 2026 Jun 22 16:11:16 | 12.2057 | 0.00199 | 22.0641 | 305.7716 | 243.1211 | 1.00459 | – |
| 2026 Jun 23 17:56 | 2026 Jun 22 16:11:16 | 12.2057 | 0.00199 | 22.0641 | 305.7716 | 243.1211 | 1.00459 | – |
| 2026 Jun 22 17:56 | 2026 Jun 16 16:26:43 | 12.2128 | 0.00198 | 22.0670 | 306.0561 | 243.1211 | 1.00459 | – |
| 2026 Jun 21 17:57 | 2026 Jun 16 16:26:43 | 12.2128 | 0.00198 | 22.0670 | 306.0561 | 243.1211 | 1.00459 | – |
| 2026 Jun 20 17:56 | 2026 Jun 16 16:26:43 | 12.2128 | 0.00198 | 22.0670 | 306.0561 | 243.1211 | 1.00459 | – |
| 2026 Jun 19 17:57 | 2026 Jun 16 16:26:43 | 12.2128 | 0.00198 | 22.0670 | 306.0561 | 243.1211 | 1.00459 | – |
| 2026 Jun 18 17:56 | 2026 Jun 16 16:26:43 | 12.2128 | 0.00198 | 22.0670 | 306.0561 | 243.1211 | 1.00459 | – |
| 2026 Jun 17 17:57 | 2026 Jun 16 16:26:43 | 12.2128 | 0.00198 | 22.0670 | 306.0561 | 243.1211 | 1.00459 | – |
| 2026 Jun 16 17:55 | 2026 Jun 12 04:38:28 | 12.2181 | 0.00199 | 22.0692 | 306.3354 | 243.1211 | 1.00459 | – |
| 2026 Jun 15 17:56 | 2026 Jun 12 04:38:28 | 12.2181 | 0.00199 | 22.0692 | 306.3354 | 243.1211 | 1.00459 | – |
| 2026 Jun 14 17:57 | 2026 Jun 12 04:38:28 | 12.2181 | 0.00199 | 22.0692 | 306.3354 | 243.1211 | 1.00459 | – |
| 2026 Jun 13 17:56 | 2026 Jun 12 04:38:28 | 12.2181 | 0.00199 | 22.0692 | 306.3354 | 243.1211 | 1.00459 | – |
| 2026 Jun 12 17:56 | 2026 Jun 12 04:38:28 | 12.2181 | 0.00199 | 22.0692 | 306.3354 | 243.1211 | 1.00459 | – |
| 2026 Jun 11 17:57 | 2026 Jun 07 04:51:12 | 12.2241 | 0.00200 | 22.0717 | 306.4411 | 243.1211 | 1.00459 | – |
| 2026 Jun 10 17:56 | 2026 Jun 07 04:51:12 | 12.2241 | 0.00200 | 22.0717 | 306.4411 | 243.1211 | 1.00459 | – |
| 2026 Jun 09 17:57 | 2026 Jun 07 04:51:12 | 12.2241 | 0.00200 | 22.0717 | 306.4411 | 243.1211 | 1.00459 | – |
| 2026 Jun 08 17:56 | 2026 Jun 07 04:51:12 | 12.2241 | 0.00200 | 22.0717 | 306.4411 | 243.1211 | 1.00459 | – |
| 2026 Jun 07 17:56 | 2026 Jun 07 04:51:12 | 12.2241 | 0.00200 | 22.0717 | 306.4411 | 243.1211 | 1.00459 | – |
| 2026 Jun 06 17:56 | 2026 May 31 06:51:20 | 12.2325 | 0.00200 | 22.0749 | 306.3740 | 243.1211 | 1.00459 | – |
| 2026 Jun 05 17:56 | 2026 May 31 06:51:20 | 12.2325 | 0.00200 | 22.0749 | 306.3740 | 243.1211 | 1.00459 | – |
| 2026 Jun 04 17:57 | 2026 May 31 06:51:20 | 12.2325 | 0.00200 | 22.0749 | 306.3740 | 243.1211 | 1.00459 | – |
| 2026 Jun 02 17:56 | 2026 May 31 06:51:20 | 12.2325 | 0.00200 | 22.0749 | 306.3740 | 243.1211 | 1.00459 | – |
| 2026 Jun 01 17:57 | 2026 May 31 06:51:20 | 12.2325 | 0.00200 | 22.0749 | 306.3740 | 243.1211 | 1.00459 | – |
| 2026 May 31 17:58 | 2026 May 31 06:51:20 | 12.2325 | 0.00200 | 22.0749 | 306.3740 | 243.1211 | 1.00459 | – |
| 2026 May 30 17:57 | 2026 May 25 19:04:59 | 12.2392 | 0.00200 | 22.0775 | 306.3572 | 243.1211 | 1.00459 | – |