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 Sep 15 17:57 | 2026 Sep 11 04:07:38 | 27.4762 | 0.63559 | 16.2833 | 256.4095 | 29.7504 | 3.55362 | – |
| 2026 Sep 14 17:57 | 2026 Sep 11 04:07:38 | 27.4762 | 0.63559 | 16.2833 | 256.4095 | 29.7504 | 3.55362 | – |
| 2026 Sep 13 17:58 | 2026 Sep 11 04:07:38 | 27.4762 | 0.63559 | 16.2833 | 256.4095 | 29.7504 | 3.55362 | – |
| 2026 Sep 12 17:58 | 2026 Sep 11 04:07:38 | 27.4762 | 0.63559 | 16.2833 | 256.4095 | 29.7504 | 3.55362 | – |
| 2026 Sep 11 17:57 | 2026 Sep 11 04:07:38 | 27.4762 | 0.63559 | 16.2833 | 256.4095 | 29.7504 | 3.55362 | – |
| 2026 Sep 10 17:57 | 2026 Sep 05 06:21:21 | 27.4842 | 0.63575 | 16.5382 | 250.0999 | 29.7504 | 3.55362 | – |
| 2026 Sep 09 17:57 | 2026 Sep 05 06:21:21 | 27.4842 | 0.63575 | 16.5382 | 250.0999 | 29.7504 | 3.55362 | – |
| 2026 Sep 08 17:57 | 2026 Sep 05 06:21:21 | 27.4842 | 0.63575 | 16.5382 | 250.0999 | 29.7504 | 3.55362 | – |
| 2026 Sep 07 17:58 | 2026 Sep 05 06:21:21 | 27.4842 | 0.63575 | 16.5382 | 250.0999 | 29.7504 | 3.55362 | – |
| 2026 Sep 06 17:57 | 2026 Sep 05 06:21:21 | 27.4842 | 0.63575 | 16.5382 | 250.0999 | 29.7504 | 3.55362 | – |
| 2026 Sep 05 17:57 | 2026 Sep 05 06:21:21 | 27.4842 | 0.63575 | 16.5382 | 250.0999 | 29.7504 | 3.55362 | – |
| 2026 Sep 04 17:57 | 2026 Aug 31 11:33:51 | 27.4899 | 0.63587 | 16.7446 | 244.9946 | 29.7504 | 3.55362 | – |
| 2026 Sep 03 17:57 | 2026 Aug 31 11:33:51 | 27.4899 | 0.63587 | 16.7446 | 244.9946 | 29.7504 | 3.55362 | – |
| 2026 Sep 02 17:56 | 2026 Aug 31 11:33:51 | 27.4899 | 0.63587 | 16.7446 | 244.9946 | 29.7504 | 3.55362 | – |
| 2026 Sep 01 17:56 | 2026 Aug 31 11:33:51 | 27.4899 | 0.63587 | 16.7446 | 244.9946 | 29.7504 | 3.55362 | – |
| 2026 Aug 31 17:56 | 2026 Aug 31 11:33:51 | 27.4899 | 0.63587 | 16.7446 | 244.9946 | 29.7504 | 3.55362 | – |
| 2026 Aug 30 17:56 | 2026 Aug 25 06:58:24 | 27.4984 | 0.63606 | 17.0116 | 238.3903 | 29.7504 | 3.55362 | – |
| 2026 Aug 29 17:57 | 2026 Aug 25 06:58:24 | 27.4984 | 0.63606 | 17.0116 | 238.3903 | 29.7504 | 3.55362 | – |
| 2026 Aug 28 17:57 | 2026 Aug 25 06:58:24 | 27.4984 | 0.63606 | 17.0116 | 238.3903 | 29.7504 | 3.55362 | – |
| 2026 Aug 27 17:56 | 2026 Aug 25 06:58:24 | 27.4984 | 0.63606 | 17.0116 | 238.3903 | 29.7504 | 3.55362 | – |
| 2026 Aug 26 17:50 | 2026 Aug 25 06:58:24 | 27.4984 | 0.63606 | 17.0116 | 238.3903 | 29.7504 | 3.55362 | – |
| 2026 Aug 25 17:56 | 2026 Aug 25 06:58:24 | 27.4984 | 0.63606 | 17.0116 | 238.3903 | 29.7504 | 3.55362 | – |
| 2026 Aug 24 17:57 | 2026 Aug 19 02:20:25 | 27.5049 | 0.63619 | 17.2786 | 231.7845 | 29.7504 | 3.55362 | – |
| 2026 Aug 23 17:56 | 2026 Aug 19 02:20:25 | 27.5049 | 0.63619 | 17.2786 | 231.7845 | 29.7504 | 3.55362 | – |
| 2026 Aug 22 17:56 | 2026 Aug 19 02:20:25 | 27.5049 | 0.63619 | 17.2786 | 231.7845 | 29.7504 | 3.55362 | – |
| 2026 Aug 21 17:56 | 2026 Aug 19 02:20:25 | 27.5049 | 0.63619 | 17.2786 | 231.7845 | 29.7504 | 3.55362 | – |
| 2026 Aug 20 17:57 | 2026 Aug 19 02:20:25 | 27.5049 | 0.63619 | 17.2786 | 231.7845 | 29.7504 | 3.55362 | – |
| 2026 Aug 19 17:57 | 2026 Aug 19 02:20:25 | 27.5049 | 0.63619 | 17.2786 | 231.7845 | 29.7504 | 3.55362 | – |