Orbital elements of IUS R/B(1)
| Launched | 28 September 1988 |
| Flight ended | – |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 19549 |
| 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 May 24 17:57 | 2026 May 21 05:17:00 | 26.5342 | 0.67927 | 18.1157 | 180.8974 | 176.7234 | 2.90526 | 4.743 |
| 2026 May 23 17:58 | 2026 May 21 05:17:00 | 26.5342 | 0.67927 | 18.1157 | 180.8974 | 176.7234 | 2.90526 | 4.743 |
| 2026 May 22 17:57 | 2026 May 21 05:17:00 | 26.5342 | 0.67927 | 18.1157 | 180.8974 | 176.7234 | 2.90526 | 4.743 |
| 2026 May 21 17:57 | 2026 May 21 05:17:00 | 26.5342 | 0.67927 | 18.1157 | 180.8974 | 176.7234 | 2.90526 | 4.743 |
| 2026 May 20 17:57 | 2026 May 16 09:58:33 | 26.5494 | 0.67919 | 18.2754 | 176.8870 | 176.7234 | 2.90526 | 4.743 |
| 2026 May 19 17:58 | 2026 May 16 09:58:33 | 26.5494 | 0.67919 | 18.2754 | 176.8870 | 176.7234 | 2.90526 | 4.743 |
| 2026 May 18 17:57 | 2026 May 16 09:58:33 | 26.5494 | 0.67919 | 18.2754 | 176.8870 | 176.7234 | 2.90526 | 4.743 |
| 2026 May 17 17:57 | 2026 May 16 09:58:33 | 26.5494 | 0.67919 | 18.2754 | 176.8870 | 176.7234 | 2.90526 | 4.743 |
| 2026 May 16 17:56 | 2026 May 16 09:58:33 | 26.5494 | 0.67919 | 18.2754 | 176.8870 | 176.7234 | 2.90526 | 4.743 |
| 2026 May 15 17:57 | 2026 May 10 05:41:16 | 26.5662 | 0.67904 | 18.4800 | 171.7514 | 176.7234 | 2.90526 | 4.743 |
| 2026 May 14 17:58 | 2026 May 10 05:41:16 | 26.5662 | 0.67904 | 18.4800 | 171.7514 | 176.7234 | 2.90526 | 4.743 |
| 2026 May 13 17:58 | 2026 May 10 05:41:16 | 26.5662 | 0.67904 | 18.4800 | 171.7514 | 176.7234 | 2.90526 | 4.743 |
| 2026 May 12 17:58 | 2026 May 10 05:41:16 | 26.5662 | 0.67904 | 18.4800 | 171.7514 | 176.7234 | 2.90526 | 4.743 |
| 2026 May 11 17:56 | 2026 May 10 05:41:16 | 26.5662 | 0.67904 | 18.4800 | 171.7514 | 176.7234 | 2.90526 | 4.743 |
| 2026 May 10 17:57 | 2026 May 10 05:41:16 | 26.5662 | 0.67904 | 18.4800 | 171.7514 | 176.7234 | 2.90526 | 4.743 |
| 2026 May 09 17:57 | 2026 May 05 02:04:55 | 26.5827 | 0.67896 | 18.6501 | 167.4743 | 176.7234 | 2.90526 | 4.743 |
| 2026 May 08 17:57 | 2026 May 05 02:04:55 | 26.5827 | 0.67896 | 18.6501 | 167.4743 | 176.7234 | 2.90526 | 4.743 |
| 2026 May 07 17:58 | 2026 May 05 02:04:55 | 26.5827 | 0.67896 | 18.6501 | 167.4743 | 176.7234 | 2.90526 | 4.743 |
| 2026 May 06 17:57 | 2026 May 05 02:04:55 | 26.5827 | 0.67896 | 18.6501 | 167.4743 | 176.7234 | 2.90526 | 4.743 |
| 2026 May 05 17:57 | 2026 May 05 02:04:55 | 26.5827 | 0.67896 | 18.6501 | 167.4743 | 176.7234 | 2.90526 | 4.743 |
| 2026 May 04 17:57 | 2026 Apr 29 22:25:58 | 26.5941 | 0.67884 | 18.8200 | 163.2101 | 176.7234 | 2.90526 | 4.743 |
| 2026 May 03 17:57 | 2026 Apr 29 22:25:58 | 26.5941 | 0.67884 | 18.8200 | 163.2101 | 176.7234 | 2.90526 | 4.743 |
| 2026 May 02 17:57 | 2026 Apr 29 22:25:58 | 26.5941 | 0.67884 | 18.8200 | 163.2101 | 176.7234 | 2.90526 | 4.743 |
| 2026 May 01 17:56 | 2026 Apr 29 22:25:58 | 26.5941 | 0.67884 | 18.8200 | 163.2101 | 176.7234 | 2.90526 | 4.743 |
| 2026 Apr 30 17:56 | 2026 Apr 29 22:25:58 | 26.5941 | 0.67884 | 18.8200 | 163.2101 | 176.7234 | 2.90526 | 4.743 |
| 2026 Apr 29 17:57 | 2026 Apr 24 10:29:36 | 26.6067 | 0.67876 | 19.0004 | 158.6668 | 176.7234 | 2.90526 | 4.743 |
| 2026 Apr 28 17:56 | 2026 Apr 24 10:29:36 | 26.6067 | 0.67876 | 19.0004 | 158.6668 | 176.7234 | 2.90526 | 4.743 |
| 2026 Apr 27 17:58 | 2026 Apr 24 10:29:36 | 26.6067 | 0.67876 | 19.0004 | 158.6668 | 176.7234 | 2.90526 | 4.743 |