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 Aug 20 17:56 | 2025 Aug 17 01:45:28 | 26.4075 | 0.66632 | 13.2632 | 306.1609 | 9.0402 | 3.08961 | 5.243 |
| 2025 Aug 19 17:56 | 2025 Aug 17 01:45:28 | 26.4075 | 0.66632 | 13.2632 | 306.1609 | 9.0402 | 3.08961 | 5.243 |
| 2025 Aug 18 17:56 | 2025 Aug 17 01:45:28 | 26.4075 | 0.66632 | 13.2632 | 306.1609 | 9.0402 | 3.08961 | 5.243 |
| 2025 Aug 16 17:56 | 2025 Aug 11 13:42:33 | 26.4059 | 0.66657 | 13.4627 | 301.1514 | 9.0402 | 3.08961 | 5.243 |
| 2025 Aug 15 17:57 | 2025 Aug 11 13:42:33 | 26.4059 | 0.66657 | 13.4627 | 301.1514 | 9.0402 | 3.08961 | 5.243 |
| 2025 Aug 14 17:56 | 2025 Aug 11 13:42:33 | 26.4059 | 0.66657 | 13.4627 | 301.1514 | 9.0402 | 3.08961 | 5.243 |
| 2025 Aug 13 17:58 | 2025 Aug 11 13:42:33 | 26.4059 | 0.66657 | 13.4627 | 301.1514 | 9.0402 | 3.08961 | 5.243 |
| 2025 Aug 12 17:56 | 2025 Aug 11 13:42:33 | 26.4059 | 0.66657 | 13.4627 | 301.1514 | 9.0402 | 3.08961 | 5.243 |
| 2025 Aug 11 17:56 | 2025 Aug 06 09:23:48 | 26.4043 | 0.66680 | 13.6505 | 296.4279 | 9.0402 | 3.08961 | 5.243 |
| 2025 Aug 10 17:57 | 2025 Aug 06 09:23:48 | 26.4043 | 0.66680 | 13.6505 | 296.4279 | 9.0402 | 3.08961 | 5.243 |
| 2025 Aug 09 17:56 | 2025 Aug 06 09:23:48 | 26.4043 | 0.66680 | 13.6505 | 296.4279 | 9.0402 | 3.08961 | 5.243 |
| 2025 Aug 08 17:56 | 2025 Aug 06 09:23:48 | 26.4043 | 0.66680 | 13.6505 | 296.4279 | 9.0402 | 3.08961 | 5.243 |
| 2025 Aug 07 17:56 | 2025 Aug 06 09:23:48 | 26.4043 | 0.66680 | 13.6505 | 296.4279 | 9.0402 | 3.08961 | 5.243 |
| 2025 Aug 05 17:56 | 2025 Jul 31 05:44:27 | 26.4012 | 0.66702 | 13.8737 | 290.8243 | 9.0402 | 3.08961 | 5.243 |
| 2025 Aug 04 17:56 | 2025 Jul 31 05:44:27 | 26.4012 | 0.66702 | 13.8737 | 290.8243 | 9.0402 | 3.08961 | 5.243 |
| 2025 Aug 03 17:56 | 2025 Jul 31 05:44:27 | 26.4012 | 0.66702 | 13.8737 | 290.8243 | 9.0402 | 3.08961 | 5.243 |
| 2025 Aug 02 17:56 | 2025 Jul 31 05:44:27 | 26.4012 | 0.66702 | 13.8737 | 290.8243 | 9.0402 | 3.08961 | 5.243 |
| 2025 Aug 01 17:56 | 2025 Jul 31 05:44:27 | 26.4012 | 0.66702 | 13.8737 | 290.8243 | 9.0402 | 3.08961 | 5.243 |
| 2025 Jul 31 17:56 | 2025 Jul 25 02:02:16 | 26.4011 | 0.66722 | 14.0967 | 285.2181 | 9.0402 | 3.08961 | 5.243 |
| 2025 Jul 29 17:56 | 2025 Jul 25 02:02:16 | 26.4011 | 0.66722 | 14.0967 | 285.2181 | 9.0402 | 3.08961 | 5.243 |
| 2025 Jul 28 17:58 | 2025 Jul 25 02:02:16 | 26.4011 | 0.66722 | 14.0967 | 285.2181 | 9.0402 | 3.08961 | 5.243 |
| 2025 Jul 26 17:56 | 2025 Jul 25 02:02:16 | 26.4011 | 0.66722 | 14.0967 | 285.2181 | 9.0402 | 3.08961 | 5.243 |
| 2025 Jul 25 17:56 | 2025 Jul 20 13:10:31 | 26.3991 | 0.66737 | 14.2618 | 281.0807 | 9.0402 | 3.08961 | 5.243 |