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 |
| 2025 Dec 27 18:57 | 2025 Dec 26 04:27:37 | 8.9857 | 0.00234 | 21.4245 | 192.2747 | 5.4432 | 1.00601 | – |
| 2025 Dec 26 18:56 | 2025 Dec 26 04:27:37 | 8.9857 | 0.00234 | 21.4245 | 192.2747 | 5.4432 | 1.00601 | – |
| 2025 Dec 25 18:57 | 2025 Dec 19 04:39:01 | 8.9974 | 0.00236 | 21.4267 | 192.3449 | 5.4432 | 1.00601 | – |
| 2025 Dec 24 18:56 | 2025 Dec 19 04:39:01 | 8.9974 | 0.00236 | 21.4267 | 192.3449 | 5.4432 | 1.00601 | – |
| 2025 Dec 23 18:56 | 2025 Dec 19 04:39:01 | 8.9974 | 0.00236 | 21.4267 | 192.3449 | 5.4432 | 1.00601 | – |
| 2025 Dec 22 18:57 | 2025 Dec 19 04:39:01 | 8.9974 | 0.00236 | 21.4267 | 192.3449 | 5.4432 | 1.00601 | – |
| 2025 Dec 21 18:57 | 2025 Dec 19 04:39:01 | 8.9974 | 0.00236 | 21.4267 | 192.3449 | 5.4432 | 1.00601 | – |
| 2025 Dec 20 18:57 | 2025 Dec 19 04:39:01 | 8.9974 | 0.00236 | 21.4267 | 192.3449 | 5.4432 | 1.00601 | – |
| 2025 Dec 19 18:57 | 2025 Dec 12 04:49:45 | 9.0093 | 0.00237 | 21.4289 | 192.1048 | 5.4432 | 1.00601 | – |
| 2025 Dec 18 18:57 | 2025 Dec 12 04:49:45 | 9.0093 | 0.00237 | 21.4289 | 192.1048 | 5.4432 | 1.00601 | – |
| 2025 Dec 17 18:58 | 2025 Dec 12 04:49:45 | 9.0093 | 0.00237 | 21.4289 | 192.1048 | 5.4432 | 1.00601 | – |
| 2025 Dec 16 18:57 | 2025 Dec 12 04:49:45 | 9.0093 | 0.00237 | 21.4289 | 192.1048 | 5.4432 | 1.00601 | – |
| 2025 Dec 15 18:58 | 2025 Dec 12 04:49:45 | 9.0093 | 0.00237 | 21.4289 | 192.1048 | 5.4432 | 1.00601 | – |
| 2025 Dec 14 18:56 | 2025 Dec 12 04:49:45 | 9.0093 | 0.00237 | 21.4289 | 192.1048 | 5.4432 | 1.00601 | – |
| 2025 Dec 13 18:56 | 2025 Dec 12 04:49:45 | 9.0093 | 0.00237 | 21.4289 | 192.1048 | 5.4432 | 1.00601 | – |
| 2025 Dec 12 18:57 | 2025 Dec 12 04:49:45 | 9.0093 | 0.00237 | 21.4289 | 192.1048 | 5.4432 | 1.00601 | – |
| 2025 Dec 11 18:56 | 2025 Dec 07 06:40:02 | 9.0174 | 0.00238 | 21.4305 | 191.8808 | 5.4432 | 1.00601 | – |
| 2025 Dec 10 18:56 | 2025 Dec 07 06:40:02 | 9.0174 | 0.00238 | 21.4305 | 191.8808 | 5.4432 | 1.00601 | – |
| 2025 Dec 09 18:56 | 2025 Dec 07 06:40:02 | 9.0174 | 0.00238 | 21.4305 | 191.8808 | 5.4432 | 1.00601 | – |
| 2025 Dec 08 18:56 | 2025 Dec 07 06:40:02 | 9.0174 | 0.00238 | 21.4305 | 191.8808 | 5.4432 | 1.00601 | – |
| 2025 Dec 07 18:56 | 2025 Dec 07 06:40:02 | 9.0174 | 0.00238 | 21.4305 | 191.8808 | 5.4432 | 1.00601 | – |
| 2025 Dec 06 18:56 | 2025 Dec 02 06:47:20 | 9.0255 | 0.00239 | 21.4322 | 191.8150 | 5.4432 | 1.00601 | – |
| 2025 Dec 05 18:57 | 2025 Dec 02 06:47:20 | 9.0255 | 0.00239 | 21.4322 | 191.8150 | 5.4432 | 1.00601 | – |
| 2025 Dec 04 18:57 | 2025 Dec 02 06:47:20 | 9.0255 | 0.00239 | 21.4322 | 191.8150 | 5.4432 | 1.00601 | – |
| 2025 Dec 03 18:56 | 2025 Dec 02 06:47:20 | 9.0255 | 0.00239 | 21.4322 | 191.8150 | 5.4432 | 1.00601 | – |
| 2025 Dec 02 18:56 | 2025 Dec 02 06:47:20 | 9.0255 | 0.00239 | 21.4322 | 191.8150 | 5.4432 | 1.00601 | – |
| 2025 Nov 30 18:57 | 2025 Nov 25 08:39:53 | 9.0371 | 0.00240 | 21.4344 | 191.8530 | 5.4432 | 1.00601 | – |