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 Apr 29 17:57 | 2026 Apr 24 10:04:28 | 12.2769 | 0.00201 | 22.0923 | 306.0389 | 52.9214 | 1.00461 | – |
| 2026 Apr 28 17:56 | 2026 Apr 24 10:04:28 | 12.2769 | 0.00201 | 22.0923 | 306.0389 | 52.9214 | 1.00461 | – |
| 2026 Apr 27 17:58 | 2026 Apr 24 10:04:28 | 12.2769 | 0.00201 | 22.0923 | 306.0389 | 52.9214 | 1.00461 | – |
| 2026 Apr 26 17:58 | 2026 Apr 24 10:04:28 | 12.2769 | 0.00201 | 22.0923 | 306.0389 | 52.9214 | 1.00461 | – |
| 2026 Apr 25 17:58 | 2026 Apr 24 10:04:28 | 12.2769 | 0.00201 | 22.0923 | 306.0389 | 52.9214 | 1.00461 | – |
| 2026 Apr 24 17:59 | 2026 Apr 24 10:04:28 | 12.2769 | 0.00201 | 22.0923 | 306.0389 | 52.9214 | 1.00461 | – |
| 2026 Apr 23 17:57 | 2026 Apr 19 10:16:18 | 12.2827 | 0.00202 | 22.0948 | 306.1329 | 52.9214 | 1.00461 | – |
| 2026 Apr 22 17:57 | 2026 Apr 19 10:16:18 | 12.2827 | 0.00202 | 22.0948 | 306.1329 | 52.9214 | 1.00461 | – |
| 2026 Apr 21 17:57 | 2026 Apr 19 10:16:18 | 12.2827 | 0.00202 | 22.0948 | 306.1329 | 52.9214 | 1.00461 | – |
| 2026 Apr 20 17:57 | 2026 Apr 19 10:16:18 | 12.2827 | 0.00202 | 22.0948 | 306.1329 | 52.9214 | 1.00461 | – |
| 2026 Apr 19 17:58 | 2026 Apr 19 10:16:18 | 12.2827 | 0.00202 | 22.0948 | 306.1329 | 52.9214 | 1.00461 | – |
| 2026 Apr 18 17:56 | 2026 Apr 12 22:31:40 | 12.2905 | 0.00203 | 22.0978 | 305.9352 | 52.9214 | 1.00461 | – |
| 2026 Apr 16 17:57 | 2026 Apr 12 22:31:40 | 12.2905 | 0.00203 | 22.0978 | 305.9352 | 52.9214 | 1.00461 | – |
| 2026 Apr 14 17:57 | 2026 Apr 12 22:31:40 | 12.2905 | 0.00203 | 22.0978 | 305.9352 | 52.9214 | 1.00461 | – |
| 2026 Apr 13 17:57 | 2026 Apr 12 22:31:40 | 12.2905 | 0.00203 | 22.0978 | 305.9352 | 52.9214 | 1.00461 | – |
| 2026 Apr 12 17:57 | 2026 Apr 08 00:25:48 | 12.2963 | 0.00203 | 22.1001 | 305.6586 | 52.9214 | 1.00461 | – |
| 2026 Apr 11 17:57 | 2026 Apr 08 00:25:48 | 12.2963 | 0.00203 | 22.1001 | 305.6586 | 52.9214 | 1.00461 | – |
| 2026 Apr 10 17:58 | 2026 Apr 08 00:25:48 | 12.2963 | 0.00203 | 22.1001 | 305.6586 | 52.9214 | 1.00461 | – |
| 2026 Apr 09 18:01 | 2026 Apr 08 00:25:48 | 12.2963 | 0.00203 | 22.1001 | 305.6586 | 52.9214 | 1.00461 | – |
| 2026 Apr 08 17:57 | 2026 Apr 08 00:25:48 | 12.2963 | 0.00203 | 22.1001 | 305.6586 | 52.9214 | 1.00461 | – |
| 2026 Apr 07 17:57 | 2026 Mar 31 00:52:38 | 12.3059 | 0.00204 | 22.1038 | 305.3475 | 52.9214 | 1.00461 | – |
| 2026 Apr 06 17:57 | 2026 Mar 31 00:52:38 | 12.3059 | 0.00204 | 22.1038 | 305.3475 | 52.9214 | 1.00461 | – |
| 2026 Apr 05 17:56 | 2026 Mar 31 00:52:38 | 12.3059 | 0.00204 | 22.1038 | 305.3475 | 52.9214 | 1.00461 | – |
| 2026 Apr 04 17:57 | 2026 Mar 31 00:52:38 | 12.3059 | 0.00204 | 22.1038 | 305.3475 | 52.9214 | 1.00461 | – |
| 2026 Apr 03 17:56 | 2026 Mar 31 00:52:38 | 12.3059 | 0.00204 | 22.1038 | 305.3475 | 52.9214 | 1.00461 | – |
| 2026 Apr 02 18:03 | 2026 Mar 31 00:52:38 | 12.3059 | 0.00204 | 22.1038 | 305.3475 | 52.9214 | 1.00461 | – |