Orbital elements of IUS R/B(2)
| Launched | 12 March 1989 |
| Flight ended | – |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 19913 |
| 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 Apr 18 17:56 | 2026 Apr 12 23:20:20 | 8.8128 | 0.00228 | 21.3907 | 192.1183 | 168.1005 | 1.00605 | – |
| 2026 Apr 16 17:57 | 2026 Apr 12 23:20:20 | 8.8128 | 0.00228 | 21.3907 | 192.1183 | 168.1005 | 1.00605 | – |
| 2026 Apr 14 17:57 | 2026 Apr 12 23:20:20 | 8.8128 | 0.00228 | 21.3907 | 192.1183 | 168.1005 | 1.00605 | – |
| 2026 Apr 13 17:57 | 2026 Apr 12 23:20:20 | 8.8128 | 0.00228 | 21.3907 | 192.1183 | 168.1005 | 1.00605 | – |
| 2026 Apr 12 17:57 | 2026 Apr 08 09:39:51 | 8.8202 | 0.00228 | 21.3920 | 192.2096 | 168.1005 | 1.00605 | – |
| 2026 Apr 11 17:57 | 2026 Apr 08 09:39:51 | 8.8202 | 0.00228 | 21.3920 | 192.2096 | 168.1005 | 1.00605 | – |
| 2026 Apr 10 17:58 | 2026 Apr 08 09:39:51 | 8.8202 | 0.00228 | 21.3920 | 192.2096 | 168.1005 | 1.00605 | – |
| 2026 Apr 09 18:01 | 2026 Apr 08 09:39:51 | 8.8202 | 0.00228 | 21.3920 | 192.2096 | 168.1005 | 1.00605 | – |
| 2026 Apr 08 17:57 | 2026 Apr 08 09:39:51 | 8.8202 | 0.00228 | 21.3920 | 192.2096 | 168.1005 | 1.00605 | – |
| 2026 Apr 07 17:57 | 2026 Apr 01 13:51:38 | 8.8312 | 0.00228 | 21.3940 | 192.0982 | 168.1005 | 1.00605 | – |
| 2026 Apr 06 17:57 | 2026 Apr 01 13:51:38 | 8.8312 | 0.00228 | 21.3940 | 192.0982 | 168.1005 | 1.00605 | – |
| 2026 Apr 05 17:56 | 2026 Apr 01 13:51:38 | 8.8312 | 0.00228 | 21.3940 | 192.0982 | 168.1005 | 1.00605 | – |
| 2026 Apr 04 17:57 | 2026 Apr 01 13:51:38 | 8.8312 | 0.00228 | 21.3940 | 192.0982 | 168.1005 | 1.00605 | – |
| 2026 Apr 03 17:56 | 2026 Apr 01 13:51:38 | 8.8312 | 0.00228 | 21.3940 | 192.0982 | 168.1005 | 1.00605 | – |
| 2026 Apr 02 18:03 | 2026 Apr 01 13:51:38 | 8.8312 | 0.00228 | 21.3940 | 192.0982 | 168.1005 | 1.00605 | – |
| 2026 Mar 31 17:57 | 2026 Mar 25 23:14:05 | 8.8415 | 0.00228 | 21.3959 | 191.9580 | 168.1005 | 1.00605 | – |
| 2026 Mar 30 17:58 | 2026 Mar 25 23:14:05 | 8.8415 | 0.00228 | 21.3959 | 191.9580 | 168.1005 | 1.00605 | – |
| 2026 Mar 29 17:57 | 2026 Mar 25 23:14:05 | 8.8415 | 0.00228 | 21.3959 | 191.9580 | 168.1005 | 1.00605 | – |
| 2026 Mar 28 18:57 | 2026 Mar 25 23:14:05 | 8.8415 | 0.00228 | 21.3959 | 191.9580 | 168.1005 | 1.00605 | – |
| 2026 Mar 27 18:57 | 2026 Mar 25 23:14:05 | 8.8415 | 0.00228 | 21.3959 | 191.9580 | 168.1005 | 1.00605 | – |
| 2026 Mar 26 18:57 | 2026 Mar 25 23:14:05 | 8.8415 | 0.00228 | 21.3959 | 191.9580 | 168.1005 | 1.00605 | – |
| 2026 Mar 25 18:56 | 2026 Mar 20 01:54:09 | 8.8507 | 0.00227 | 21.3978 | 192.0172 | 168.1005 | 1.00605 | – |
| 2026 Mar 24 18:56 | 2026 Mar 20 01:54:09 | 8.8507 | 0.00227 | 21.3978 | 192.0172 | 168.1005 | 1.00605 | – |
| 2026 Mar 23 18:56 | 2026 Mar 20 01:54:09 | 8.8507 | 0.00227 | 21.3978 | 192.0172 | 168.1005 | 1.00605 | – |
| 2026 Mar 22 18:56 | 2026 Mar 20 01:54:09 | 8.8507 | 0.00227 | 21.3978 | 192.0172 | 168.1005 | 1.00605 | – |