Orbital elements of IUS R/B(2)
| Launched | 12 March 1989 |
| Flight ended | – |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 19913 |
| 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 Jan 11 18:57 | 2026 Jan 11 14:17:59 | 8.9590 | 0.00232 | 21.4190 | 192.4714 | 188.6266 | 1.00605 | – |
| 2026 Jan 10 18:57 | 2026 Jan 06 02:26:59 | 8.9680 | 0.00233 | 21.4208 | 192.2644 | 188.6266 | 1.00605 | – |
| 2026 Jan 09 18:57 | 2026 Jan 06 02:26:59 | 8.9680 | 0.00233 | 21.4208 | 192.2644 | 188.6266 | 1.00605 | – |
| 2026 Jan 08 18:56 | 2026 Jan 06 02:26:59 | 8.9680 | 0.00233 | 21.4208 | 192.2644 | 188.6266 | 1.00605 | – |
| 2026 Jan 07 18:57 | 2026 Jan 06 02:26:59 | 8.9680 | 0.00233 | 21.4208 | 192.2644 | 188.6266 | 1.00605 | – |
| 2026 Jan 06 18:56 | 2026 Jan 06 02:26:59 | 8.9680 | 0.00233 | 21.4208 | 192.2644 | 188.6266 | 1.00605 | – |
| 2026 Jan 05 18:57 | 2025 Dec 31 14:36:00 | 8.9769 | 0.00234 | 21.4227 | 192.1687 | 188.6266 | 1.00605 | – |
| 2026 Jan 04 18:56 | 2025 Dec 31 14:36:00 | 8.9769 | 0.00234 | 21.4227 | 192.1687 | 188.6266 | 1.00605 | – |
| 2026 Jan 03 18:57 | 2025 Dec 31 14:36:00 | 8.9769 | 0.00234 | 21.4227 | 192.1687 | 188.6266 | 1.00605 | – |
| 2026 Jan 01 18:56 | 2025 Dec 31 14:36:00 | 8.9769 | 0.00234 | 21.4227 | 192.1687 | 188.6266 | 1.00605 | – |
| 2025 Dec 31 18:57 | 2025 Dec 31 14:36:00 | 8.9769 | 0.00234 | 21.4227 | 192.1687 | 188.6266 | 1.00605 | – |
| 2025 Dec 30 18:56 | 2025 Dec 26 04:27:37 | 8.9857 | 0.00234 | 21.4245 | 192.2747 | 188.6266 | 1.00605 | – |
| 2025 Dec 29 18:56 | 2025 Dec 26 04:27:37 | 8.9857 | 0.00234 | 21.4245 | 192.2747 | 188.6266 | 1.00605 | – |
| 2025 Dec 28 18:57 | 2025 Dec 26 04:27:37 | 8.9857 | 0.00234 | 21.4245 | 192.2747 | 188.6266 | 1.00605 | – |
| 2025 Dec 27 18:57 | 2025 Dec 26 04:27:37 | 8.9857 | 0.00234 | 21.4245 | 192.2747 | 188.6266 | 1.00605 | – |
| 2025 Dec 26 18:56 | 2025 Dec 26 04:27:37 | 8.9857 | 0.00234 | 21.4245 | 192.2747 | 188.6266 | 1.00605 | – |
| 2025 Dec 25 18:57 | 2025 Dec 19 04:39:01 | 8.9974 | 0.00236 | 21.4267 | 192.3449 | 188.6266 | 1.00605 | – |
| 2025 Dec 24 18:56 | 2025 Dec 19 04:39:01 | 8.9974 | 0.00236 | 21.4267 | 192.3449 | 188.6266 | 1.00605 | – |
| 2025 Dec 23 18:56 | 2025 Dec 19 04:39:01 | 8.9974 | 0.00236 | 21.4267 | 192.3449 | 188.6266 | 1.00605 | – |
| 2025 Dec 22 18:57 | 2025 Dec 19 04:39:01 | 8.9974 | 0.00236 | 21.4267 | 192.3449 | 188.6266 | 1.00605 | – |
| 2025 Dec 21 18:57 | 2025 Dec 19 04:39:01 | 8.9974 | 0.00236 | 21.4267 | 192.3449 | 188.6266 | 1.00605 | – |
| 2025 Dec 20 18:57 | 2025 Dec 19 04:39:01 | 8.9974 | 0.00236 | 21.4267 | 192.3449 | 188.6266 | 1.00605 | – |
| 2025 Dec 19 18:57 | 2025 Dec 12 04:49:45 | 9.0093 | 0.00237 | 21.4289 | 192.1048 | 188.6266 | 1.00605 | – |
| 2025 Dec 18 18:57 | 2025 Dec 12 04:49:45 | 9.0093 | 0.00237 | 21.4289 | 192.1048 | 188.6266 | 1.00605 | – |
| 2025 Dec 17 18:58 | 2025 Dec 12 04:49:45 | 9.0093 | 0.00237 | 21.4289 | 192.1048 | 188.6266 | 1.00605 | – |
| 2025 Dec 16 18:57 | 2025 Dec 12 04:49:45 | 9.0093 | 0.00237 | 21.4289 | 192.1048 | 188.6266 | 1.00605 | – |
| 2025 Dec 15 18:58 | 2025 Dec 12 04:49:45 | 9.0093 | 0.00237 | 21.4289 | 192.1048 | 188.6266 | 1.00605 | – |