Orbital elements of UME-2
| Launched | 15 February 1978 |
| Flight ended | – |
| Launch site | Tanegashima Space Center, Japan |
| Owner | Japan |
| NORAD ID | 10674 |
| Alternative names |
ISS-B |
| 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 Feb 05 18:58 | 2026 Feb 02 11:47:23 | 69.3631 | 0.01670 | 10.8577 | 251.0810 | 174.6376 | 13.43709 | 7.743 |
| 2026 Feb 04 18:57 | 2026 Feb 02 11:47:23 | 69.3631 | 0.01670 | 10.8577 | 251.0810 | 174.6376 | 13.43709 | 7.743 |
| 2026 Feb 03 18:56 | 2026 Feb 02 11:47:23 | 69.3631 | 0.01670 | 10.8577 | 251.0810 | 174.6376 | 13.43709 | 7.743 |
| 2026 Feb 02 18:56 | 2026 Feb 02 11:47:23 | 69.3631 | 0.01670 | 10.8577 | 251.0810 | 174.6376 | 13.43709 | 7.743 |
| 2026 Feb 01 18:56 | 2026 Jan 27 20:27:21 | 69.3624 | 0.01671 | 11.6157 | 257.1099 | 174.6376 | 13.43709 | 7.743 |
| 2026 Jan 31 18:56 | 2026 Jan 27 20:27:21 | 69.3624 | 0.01671 | 11.6157 | 257.1099 | 174.6376 | 13.43709 | 7.743 |
| 2026 Jan 30 18:57 | 2026 Jan 27 20:27:21 | 69.3624 | 0.01671 | 11.6157 | 257.1099 | 174.6376 | 13.43709 | 7.743 |
| 2026 Jan 29 18:56 | 2026 Jan 27 20:27:21 | 69.3624 | 0.01671 | 11.6157 | 257.1099 | 174.6376 | 13.43709 | 7.743 |
| 2026 Jan 28 18:56 | 2026 Jan 27 20:27:21 | 69.3624 | 0.01671 | 11.6157 | 257.1099 | 174.6376 | 13.43709 | 7.743 |
| 2026 Jan 27 18:56 | 2026 Jan 22 11:12:40 | 69.3615 | 0.01671 | 12.3397 | 262.8638 | 174.6376 | 13.43709 | 7.743 |
| 2026 Jan 26 18:57 | 2026 Jan 22 11:12:40 | 69.3615 | 0.01671 | 12.3397 | 262.8638 | 174.6376 | 13.43709 | 7.743 |
| 2026 Jan 25 18:57 | 2026 Jan 22 11:12:40 | 69.3615 | 0.01671 | 12.3397 | 262.8638 | 174.6376 | 13.43709 | 7.743 |
| 2026 Jan 24 18:58 | 2026 Jan 22 11:12:40 | 69.3615 | 0.01671 | 12.3397 | 262.8638 | 174.6376 | 13.43709 | 7.743 |
| 2026 Jan 22 18:56 | 2026 Jan 22 11:12:40 | 69.3615 | 0.01671 | 12.3397 | 262.8638 | 174.6376 | 13.43709 | 7.743 |