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 Jul 28 17:57 | 2026 Jul 27 00:42:01 | 12.1650 | 0.00201 | 22.0474 | 306.0446 | 68.5235 | 1.00473 | – |
| 2026 Jul 27 17:57 | 2026 Jul 27 00:42:01 | 12.1650 | 0.00201 | 22.0474 | 306.0446 | 68.5235 | 1.00473 | – |
| 2026 Jul 26 17:56 | 2026 Jul 21 01:13:39 | 12.1720 | 0.00200 | 22.0503 | 305.9092 | 68.5235 | 1.00473 | – |
| 2026 Jul 25 17:57 | 2026 Jul 21 01:13:39 | 12.1720 | 0.00200 | 22.0503 | 305.9092 | 68.5235 | 1.00473 | – |
| 2026 Jul 24 17:56 | 2026 Jul 21 01:13:39 | 12.1720 | 0.00200 | 22.0503 | 305.9092 | 68.5235 | 1.00473 | – |
| 2026 Jul 23 17:57 | 2026 Jul 21 01:13:39 | 12.1720 | 0.00200 | 22.0503 | 305.9092 | 68.5235 | 1.00473 | – |
| 2026 Jul 22 17:57 | 2026 Jul 21 01:13:39 | 12.1720 | 0.00200 | 22.0503 | 305.9092 | 68.5235 | 1.00473 | – |
| 2026 Jul 21 17:57 | 2026 Jul 21 01:13:39 | 12.1720 | 0.00200 | 22.0503 | 305.9092 | 68.5235 | 1.00473 | – |
| 2026 Jul 20 17:57 | 2026 Jul 16 01:27:06 | 12.1777 | 0.00199 | 22.0527 | 305.9914 | 68.5235 | 1.00473 | – |
| 2026 Jul 19 19:06 | 2026 Jul 16 01:27:06 | 12.1777 | 0.00199 | 22.0527 | 305.9914 | 68.5235 | 1.00473 | – |
| 2026 Jul 19 17:57 | 2026 Jul 16 01:27:06 | 12.1777 | 0.00199 | 22.0527 | 305.9914 | 68.5235 | 1.00473 | – |
| 2026 Jul 18 17:57 | 2026 Jul 16 01:27:06 | 12.1777 | 0.00199 | 22.0527 | 305.9914 | 68.5235 | 1.00473 | – |
| 2026 Jul 17 17:57 | 2026 Jul 16 01:27:06 | 12.1777 | 0.00199 | 22.0527 | 305.9914 | 68.5235 | 1.00473 | – |
| 2026 Jul 16 17:56 | 2026 Jul 16 01:27:06 | 12.1777 | 0.00199 | 22.0527 | 305.9914 | 68.5235 | 1.00473 | – |
| 2026 Jul 15 17:57 | 2026 Jul 11 01:40:21 | 12.1835 | 0.00199 | 22.0552 | 306.1905 | 68.5235 | 1.00473 | – |
| 2026 Jul 14 17:56 | 2026 Jul 11 01:40:21 | 12.1835 | 0.00199 | 22.0552 | 306.1905 | 68.5235 | 1.00473 | – |
| 2026 Jul 13 17:56 | 2026 Jul 11 01:40:21 | 12.1835 | 0.00199 | 22.0552 | 306.1905 | 68.5235 | 1.00473 | – |
| 2026 Jul 12 17:56 | 2026 Jul 11 01:40:21 | 12.1835 | 0.00199 | 22.0552 | 306.1905 | 68.5235 | 1.00473 | – |
| 2026 Jul 11 17:56 | 2026 Jul 11 01:40:21 | 12.1835 | 0.00199 | 22.0552 | 306.1905 | 68.5235 | 1.00473 | – |
| 2026 Jul 09 17:56 | 2026 Jul 04 13:57:20 | 12.1912 | 0.00200 | 22.0584 | 306.2607 | 68.5235 | 1.00473 | – |
| 2026 Jul 08 17:56 | 2026 Jul 04 13:57:20 | 12.1912 | 0.00200 | 22.0584 | 306.2607 | 68.5235 | 1.00473 | – |
| 2026 Jul 07 17:56 | 2026 Jul 04 13:57:20 | 12.1912 | 0.00200 | 22.0584 | 306.2607 | 68.5235 | 1.00473 | – |
| 2026 Jul 06 17:57 | 2026 Jul 04 13:57:20 | 12.1912 | 0.00200 | 22.0584 | 306.2607 | 68.5235 | 1.00473 | – |
| 2026 Jul 05 17:56 | 2026 Jul 04 13:57:20 | 12.1912 | 0.00200 | 22.0584 | 306.2607 | 68.5235 | 1.00473 | – |
| 2026 Jul 04 17:56 | 2026 Jun 28 15:55:40 | 12.1983 | 0.00200 | 22.0612 | 306.0889 | 68.5235 | 1.00473 | – |
| 2026 Jul 03 17:57 | 2026 Jun 28 15:55:40 | 12.1983 | 0.00200 | 22.0612 | 306.0889 | 68.5235 | 1.00473 | – |
| 2026 Jul 02 17:56 | 2026 Jun 28 15:55:40 | 12.1983 | 0.00200 | 22.0612 | 306.0889 | 68.5235 | 1.00473 | – |
| 2026 Jul 01 17:56 | 2026 Jun 28 15:55:40 | 12.1983 | 0.00200 | 22.0612 | 306.0889 | 68.5235 | 1.00473 | – |