Orbital elements of IUS R/B(1)
| Launched | 1 August 1991 |
| Flight ended | – |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 21640 |
| 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 Mar 25 18:56 | 2026 Mar 20 03:47:42 | 26.4650 | 0.66559 | 5.4886 | 141.5080 | 292.9983 | 3.10956 | 5.243 |
| 2026 Mar 24 18:56 | 2026 Mar 20 03:47:42 | 26.4650 | 0.66559 | 5.4886 | 141.5080 | 292.9983 | 3.10956 | 5.243 |
| 2026 Mar 23 18:56 | 2026 Mar 20 03:47:42 | 26.4650 | 0.66559 | 5.4886 | 141.5080 | 292.9983 | 3.10956 | 5.243 |
| 2026 Mar 22 18:56 | 2026 Mar 20 03:47:42 | 26.4650 | 0.66559 | 5.4886 | 141.5080 | 292.9983 | 3.10956 | 5.243 |
| 2026 Mar 21 19:05 | 2026 Mar 20 03:47:42 | 26.4650 | 0.66559 | 5.4886 | 141.5080 | 292.9983 | 3.10956 | 5.243 |
| 2026 Mar 20 18:57 | 2026 Mar 20 03:47:42 | 26.4650 | 0.66559 | 5.4886 | 141.5080 | 292.9983 | 3.10956 | 5.243 |
| 2026 Mar 19 18:56 | 2026 Mar 15 00:27:52 | 26.4498 | 0.66557 | 5.6772 | 136.7899 | 292.9983 | 3.10956 | 5.243 |
| 2026 Mar 18 18:56 | 2026 Mar 15 00:27:52 | 26.4498 | 0.66557 | 5.6772 | 136.7899 | 292.9983 | 3.10956 | 5.243 |
| 2026 Mar 17 18:56 | 2026 Mar 15 00:27:52 | 26.4498 | 0.66557 | 5.6772 | 136.7899 | 292.9983 | 3.10956 | 5.243 |
| 2026 Mar 16 18:57 | 2026 Mar 15 00:27:52 | 26.4498 | 0.66557 | 5.6772 | 136.7899 | 292.9983 | 3.10956 | 5.243 |
| 2026 Mar 15 18:56 | 2026 Mar 15 00:27:52 | 26.4498 | 0.66557 | 5.6772 | 136.7899 | 292.9983 | 3.10956 | 5.243 |
| 2026 Mar 14 18:56 | 2026 Mar 10 12:30:32 | 26.4362 | 0.66557 | 5.8413 | 132.6701 | 292.9983 | 3.10956 | 5.243 |
| 2026 Mar 13 18:57 | 2026 Mar 10 12:30:32 | 26.4362 | 0.66557 | 5.8413 | 132.6701 | 292.9983 | 3.10956 | 5.243 |
| 2026 Mar 12 18:57 | 2026 Mar 10 12:30:32 | 26.4362 | 0.66557 | 5.8413 | 132.6701 | 292.9983 | 3.10956 | 5.243 |
| 2026 Mar 11 18:56 | 2026 Mar 10 12:30:32 | 26.4362 | 0.66557 | 5.8413 | 132.6701 | 292.9983 | 3.10956 | 5.243 |
| 2026 Mar 10 18:56 | 2026 Mar 10 12:30:32 | 26.4362 | 0.66557 | 5.8413 | 132.6701 | 292.9983 | 3.10956 | 5.243 |
| 2026 Mar 09 18:56 | 2026 Mar 04 02:13:12 | 26.4222 | 0.66554 | 6.0762 | 126.7851 | 292.9983 | 3.10956 | 5.243 |
| 2026 Mar 08 18:57 | 2026 Mar 04 02:13:12 | 26.4222 | 0.66554 | 6.0762 | 126.7851 | 292.9983 | 3.10956 | 5.243 |
| 2026 Mar 07 18:57 | 2026 Mar 04 02:13:12 | 26.4222 | 0.66554 | 6.0762 | 126.7851 | 292.9983 | 3.10956 | 5.243 |
| 2026 Mar 06 18:56 | 2026 Mar 04 02:13:12 | 26.4222 | 0.66554 | 6.0762 | 126.7851 | 292.9983 | 3.10956 | 5.243 |
| 2026 Mar 05 18:56 | 2026 Mar 04 02:13:12 | 26.4222 | 0.66554 | 6.0762 | 126.7851 | 292.9983 | 3.10956 | 5.243 |
| 2026 Mar 04 18:57 | 2026 Mar 04 02:13:12 | 26.4222 | 0.66554 | 6.0762 | 126.7851 | 292.9983 | 3.10956 | 5.243 |
| 2026 Mar 03 18:56 | 2026 Feb 25 08:08:19 | 26.4062 | 0.66548 | 6.3229 | 120.6037 | 292.9983 | 3.10956 | 5.243 |
| 2026 Mar 02 18:57 | 2026 Feb 25 08:08:19 | 26.4062 | 0.66548 | 6.3229 | 120.6037 | 292.9983 | 3.10956 | 5.243 |
| 2026 Mar 01 18:57 | 2026 Feb 25 08:08:19 | 26.4062 | 0.66548 | 6.3229 | 120.6037 | 292.9983 | 3.10956 | 5.243 |
| 2026 Feb 28 18:56 | 2026 Feb 25 08:08:19 | 26.4062 | 0.66548 | 6.3229 | 120.6037 | 292.9983 | 3.10956 | 5.243 |
| 2026 Feb 27 19:05 | 2026 Feb 25 08:08:19 | 26.4062 | 0.66548 | 6.3229 | 120.6037 | 292.9983 | 3.10956 | 5.243 |
| 2026 Feb 26 20:45 | 2026 Feb 25 08:08:19 | 26.4062 | 0.66548 | 6.3229 | 120.6037 | 292.9983 | 3.10956 | 5.243 |