Orbital elements of IUS R/B(1)
| Launched | 3 May 1989 |
| Flight ended | – |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 19970 |
| 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 Jan 20 19:06 | 2026 Jan 16 10:20:12 | 27.9993 | 0.59002 | 21.7787 | 29.4702 | 353.5965 | 4.16727 | 4.243 |
| 2026 Jan 19 18:57 | 2026 Jan 16 10:20:12 | 27.9993 | 0.59002 | 21.7787 | 29.4702 | 353.5965 | 4.16727 | 4.243 |
| 2026 Jan 18 18:57 | 2026 Jan 16 10:20:12 | 27.9993 | 0.59002 | 21.7787 | 29.4702 | 353.5965 | 4.16727 | 4.243 |
| 2026 Jan 17 18:56 | 2026 Jan 16 10:20:12 | 27.9993 | 0.59002 | 21.7787 | 29.4702 | 353.5965 | 4.16727 | 4.243 |
| 2026 Jan 16 18:57 | 2026 Jan 16 10:20:12 | 27.9993 | 0.59002 | 21.7787 | 29.4702 | 353.5965 | 4.16727 | 4.243 |
| 2026 Jan 15 18:56 | 2026 Jan 11 09:24:41 | 28.0051 | 0.59001 | 22.0392 | 23.0699 | 353.5965 | 4.16727 | 4.243 |
| 2026 Jan 13 18:56 | 2026 Jan 11 09:24:41 | 28.0051 | 0.59001 | 22.0392 | 23.0699 | 353.5965 | 4.16727 | 4.243 |
| 2026 Jan 11 18:57 | 2026 Jan 11 09:24:41 | 28.0051 | 0.59001 | 22.0392 | 23.0699 | 353.5965 | 4.16727 | 4.243 |
| 2026 Jan 10 18:57 | 2026 Jan 06 02:42:47 | 28.0114 | 0.59000 | 22.3121 | 16.3600 | 353.5965 | 4.16727 | 4.243 |
| 2026 Jan 09 18:57 | 2026 Jan 06 02:42:47 | 28.0114 | 0.59000 | 22.3121 | 16.3600 | 353.5965 | 4.16727 | 4.243 |
| 2026 Jan 08 18:56 | 2026 Jan 06 02:42:47 | 28.0114 | 0.59000 | 22.3121 | 16.3600 | 353.5965 | 4.16727 | 4.243 |
| 2026 Jan 07 18:57 | 2026 Jan 06 02:42:47 | 28.0114 | 0.59000 | 22.3121 | 16.3600 | 353.5965 | 4.16727 | 4.243 |
| 2026 Jan 06 18:56 | 2026 Jan 06 02:42:47 | 28.0114 | 0.59000 | 22.3121 | 16.3600 | 353.5965 | 4.16727 | 4.243 |
| 2026 Jan 05 18:57 | 2025 Dec 31 08:28:42 | 28.0185 | 0.58999 | 22.6094 | 9.0533 | 353.5965 | 4.16727 | 4.243 |
| 2026 Jan 04 18:56 | 2025 Dec 31 08:28:42 | 28.0185 | 0.58999 | 22.6094 | 9.0533 | 353.5965 | 4.16727 | 4.243 |
| 2026 Jan 03 18:57 | 2025 Dec 31 08:28:42 | 28.0185 | 0.58999 | 22.6094 | 9.0533 | 353.5965 | 4.16727 | 4.243 |
| 2026 Jan 01 18:56 | 2025 Dec 31 08:28:42 | 28.0185 | 0.58999 | 22.6094 | 9.0533 | 353.5965 | 4.16727 | 4.243 |
| 2025 Dec 31 18:57 | 2025 Dec 31 08:28:42 | 28.0185 | 0.58999 | 22.6094 | 9.0533 | 353.5965 | 4.16727 | 4.243 |
| 2025 Dec 30 18:56 | 2025 Dec 26 07:30:20 | 28.0243 | 0.59000 | 22.8694 | 2.6588 | 353.5965 | 4.16727 | 4.243 |
| 2025 Dec 29 18:56 | 2025 Dec 26 07:30:20 | 28.0243 | 0.59000 | 22.8694 | 2.6588 | 353.5965 | 4.16727 | 4.243 |
| 2025 Dec 28 18:57 | 2025 Dec 26 07:30:20 | 28.0243 | 0.59000 | 22.8694 | 2.6588 | 353.5965 | 4.16727 | 4.243 |
| 2025 Dec 27 18:57 | 2025 Dec 26 07:30:20 | 28.0243 | 0.59000 | 22.8694 | 2.6588 | 353.5965 | 4.16727 | 4.243 |
| 2025 Dec 26 18:56 | 2025 Dec 26 07:30:20 | 28.0243 | 0.59000 | 22.8694 | 2.6588 | 353.5965 | 4.16727 | 4.243 |
| 2025 Dec 25 18:57 | 2025 Dec 20 07:28:19 | 28.0305 | 0.59000 | 23.1787 | 355.0535 | 353.5965 | 4.16727 | 4.243 |
| 2025 Dec 24 18:56 | 2025 Dec 20 07:28:19 | 28.0305 | 0.59000 | 23.1787 | 355.0535 | 353.5965 | 4.16727 | 4.243 |