Orbital elements of IUS R/B(1)
| Launched | 22 November 1989 |
| Flight ended | – |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 20356 |
| 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 Aug 23 17:56 | 2026 Aug 19 02:20:25 | 27.5049 | 0.63619 | 17.2786 | 231.7845 | 51.8938 | 3.54817 | – |
| 2026 Aug 22 17:56 | 2026 Aug 19 02:20:25 | 27.5049 | 0.63619 | 17.2786 | 231.7845 | 51.8938 | 3.54817 | – |
| 2026 Aug 21 17:56 | 2026 Aug 19 02:20:25 | 27.5049 | 0.63619 | 17.2786 | 231.7845 | 51.8938 | 3.54817 | – |
| 2026 Aug 20 17:57 | 2026 Aug 19 02:20:25 | 27.5049 | 0.63619 | 17.2786 | 231.7845 | 51.8938 | 3.54817 | – |
| 2026 Aug 19 17:57 | 2026 Aug 19 02:20:25 | 27.5049 | 0.63619 | 17.2786 | 231.7845 | 51.8938 | 3.54817 | – |
| 2026 Aug 18 17:56 | 2026 Aug 12 01:23:28 | 27.5158 | 0.63634 | 17.5819 | 224.2809 | 51.8938 | 3.54817 | – |
| 2026 Aug 17 17:56 | 2026 Aug 12 01:23:28 | 27.5158 | 0.63634 | 17.5819 | 224.2809 | 51.8938 | 3.54817 | – |
| 2026 Aug 16 17:56 | 2026 Aug 12 01:23:28 | 27.5158 | 0.63634 | 17.5819 | 224.2809 | 51.8938 | 3.54817 | – |
| 2026 Aug 15 17:57 | 2026 Aug 12 01:23:28 | 27.5158 | 0.63634 | 17.5819 | 224.2809 | 51.8938 | 3.54817 | – |
| 2026 Aug 14 17:56 | 2026 Aug 12 01:23:28 | 27.5158 | 0.63634 | 17.5819 | 224.2809 | 51.8938 | 3.54817 | – |
| 2026 Aug 13 17:57 | 2026 Aug 12 01:23:28 | 27.5158 | 0.63634 | 17.5819 | 224.2809 | 51.8938 | 3.54817 | – |
| 2026 Aug 12 17:56 | 2026 Aug 07 06:29:10 | 27.5224 | 0.63638 | 17.7881 | 219.1788 | 51.8938 | 3.54817 | – |
| 2026 Aug 11 17:56 | 2026 Aug 07 06:29:10 | 27.5224 | 0.63638 | 17.7881 | 219.1788 | 51.8938 | 3.54817 | – |
| 2026 Aug 10 17:56 | 2026 Aug 07 06:29:10 | 27.5224 | 0.63638 | 17.7881 | 219.1788 | 51.8938 | 3.54817 | – |
| 2026 Aug 09 17:57 | 2026 Aug 07 06:29:10 | 27.5224 | 0.63638 | 17.7881 | 219.1788 | 51.8938 | 3.54817 | – |
| 2026 Aug 08 17:57 | 2026 Aug 07 06:29:10 | 27.5224 | 0.63638 | 17.7881 | 219.1788 | 51.8938 | 3.54817 | – |
| 2026 Aug 07 17:57 | 2026 Aug 07 06:29:10 | 27.5224 | 0.63638 | 17.7881 | 219.1788 | 51.8938 | 3.54817 | – |
| 2026 Aug 06 17:57 | 2026 Jul 31 05:28:43 | 27.5337 | 0.63649 | 18.0911 | 211.6851 | 51.8938 | 3.54817 | – |
| 2026 Aug 05 17:56 | 2026 Jul 31 05:28:43 | 27.5337 | 0.63649 | 18.0911 | 211.6851 | 51.8938 | 3.54817 | – |
| 2026 Aug 04 17:57 | 2026 Jul 31 05:28:43 | 27.5337 | 0.63649 | 18.0911 | 211.6851 | 51.8938 | 3.54817 | – |
| 2026 Aug 03 17:56 | 2026 Jul 31 05:28:43 | 27.5337 | 0.63649 | 18.0911 | 211.6851 | 51.8938 | 3.54817 | – |
| 2026 Aug 02 17:57 | 2026 Jul 31 05:28:43 | 27.5337 | 0.63649 | 18.0911 | 211.6851 | 51.8938 | 3.54817 | – |
| 2026 Aug 01 17:57 | 2026 Jul 31 05:28:43 | 27.5337 | 0.63649 | 18.0911 | 211.6851 | 51.8938 | 3.54817 | – |
| 2026 Jul 31 17:56 | 2026 Jul 27 06:48:47 | 27.5397 | 0.63655 | 18.2607 | 207.4901 | 51.8938 | 3.54817 | – |
| 2026 Jul 30 17:57 | 2026 Jul 27 06:48:47 | 27.5397 | 0.63655 | 18.2607 | 207.4901 | 51.8938 | 3.54817 | – |
| 2026 Jul 29 17:57 | 2026 Jul 27 06:48:47 | 27.5397 | 0.63655 | 18.2607 | 207.4901 | 51.8938 | 3.54817 | – |
| 2026 Jul 28 17:57 | 2026 Jul 27 06:48:47 | 27.5397 | 0.63655 | 18.2607 | 207.4901 | 51.8938 | 3.54817 | – |
| 2026 Jul 27 17:57 | 2026 Jul 27 06:48:47 | 27.5397 | 0.63655 | 18.2607 | 207.4901 | 51.8938 | 3.54817 | – |