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 |
| 2025 Dec 08 18:56 | 2025 Dec 06 19:23:28 | 26.3861 | 0.66401 | 9.2450 | 47.3633 | 352.1429 | 3.10091 | 5.243 |
| 2025 Dec 07 18:56 | 2025 Dec 06 19:23:28 | 26.3861 | 0.66401 | 9.2450 | 47.3633 | 352.1429 | 3.10091 | 5.243 |
| 2025 Dec 06 18:56 | 2025 Dec 01 15:34:13 | 26.3948 | 0.66395 | 9.4304 | 42.6927 | 352.1429 | 3.10091 | 5.243 |
| 2025 Dec 05 18:57 | 2025 Dec 01 15:34:13 | 26.3948 | 0.66395 | 9.4304 | 42.6927 | 352.1429 | 3.10091 | 5.243 |
| 2025 Dec 04 18:57 | 2025 Dec 01 15:34:13 | 26.3948 | 0.66395 | 9.4304 | 42.6927 | 352.1429 | 3.10091 | 5.243 |
| 2025 Dec 03 18:56 | 2025 Dec 01 15:34:13 | 26.3948 | 0.66395 | 9.4304 | 42.6927 | 352.1429 | 3.10091 | 5.243 |
| 2025 Dec 02 18:56 | 2025 Dec 01 15:34:13 | 26.3948 | 0.66395 | 9.4304 | 42.6927 | 352.1429 | 3.10091 | 5.243 |
| 2025 Nov 30 18:57 | 2025 Nov 24 13:17:40 | 26.3990 | 0.66387 | 9.6848 | 36.2818 | 352.1429 | 3.10091 | 5.243 |
| 2025 Nov 29 18:56 | 2025 Nov 24 13:17:40 | 26.3990 | 0.66387 | 9.6848 | 36.2818 | 352.1429 | 3.10091 | 5.243 |
| 2025 Nov 28 18:57 | 2025 Nov 24 13:17:40 | 26.3990 | 0.66387 | 9.6848 | 36.2818 | 352.1429 | 3.10091 | 5.243 |
| 2025 Nov 27 18:57 | 2025 Nov 24 13:17:40 | 26.3990 | 0.66387 | 9.6848 | 36.2818 | 352.1429 | 3.10091 | 5.243 |
| 2025 Nov 26 18:57 | 2025 Nov 24 13:17:40 | 26.3990 | 0.66387 | 9.6848 | 36.2818 | 352.1429 | 3.10091 | 5.243 |
| 2025 Nov 25 18:57 | 2025 Nov 24 13:17:40 | 26.3990 | 0.66387 | 9.6848 | 36.2818 | 352.1429 | 3.10091 | 5.243 |
| 2025 Nov 24 18:56 | 2025 Nov 19 17:11:03 | 26.4046 | 0.66386 | 9.8579 | 31.9139 | 352.1429 | 3.10091 | 5.243 |
| 2025 Nov 23 18:57 | 2025 Nov 19 17:11:03 | 26.4046 | 0.66386 | 9.8579 | 31.9139 | 352.1429 | 3.10091 | 5.243 |
| 2025 Nov 21 18:57 | 2025 Nov 19 17:11:03 | 26.4046 | 0.66386 | 9.8579 | 31.9139 | 352.1429 | 3.10091 | 5.243 |
| 2025 Nov 20 18:56 | 2025 Nov 19 17:11:03 | 26.4046 | 0.66386 | 9.8579 | 31.9139 | 352.1429 | 3.10091 | 5.243 |
| 2025 Nov 18 18:57 | 2025 Nov 08 10:12:34 | 26.4094 | 0.66389 | 10.2619 | 21.7213 | 352.1429 | 3.10091 | 5.243 |
| 2025 Nov 16 18:58 | 2025 Nov 08 10:12:34 | 26.4094 | 0.66389 | 10.2619 | 21.7213 | 352.1429 | 3.10091 | 5.243 |
| 2025 Nov 15 18:57 | 2025 Nov 08 10:12:34 | 26.4094 | 0.66389 | 10.2619 | 21.7213 | 352.1429 | 3.10091 | 5.243 |
| 2025 Nov 13 18:56 | 2025 Nov 08 10:12:34 | 26.4094 | 0.66389 | 10.2619 | 21.7213 | 352.1429 | 3.10091 | 5.243 |
| 2025 Nov 12 18:57 | 2025 Nov 08 10:12:34 | 26.4094 | 0.66389 | 10.2619 | 21.7213 | 352.1429 | 3.10091 | 5.243 |
| 2025 Nov 11 18:55 | 2025 Nov 08 10:12:34 | 26.4094 | 0.66389 | 10.2619 | 21.7213 | 352.1429 | 3.10091 | 5.243 |