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 Apr 14 17:57 | 2026 Apr 13 04:22:28 | 69.3657 | 0.01640 | 1.4891 | 176.0973 | 334.3721 | 13.43712 | 7.743 |
| 2026 Apr 13 17:57 | 2026 Apr 13 04:22:28 | 69.3657 | 0.01640 | 1.4891 | 176.0973 | 334.3721 | 13.43712 | 7.743 |
| 2026 Apr 12 17:57 | 2026 Apr 08 06:28:59 | 69.3653 | 0.01643 | 2.1494 | 181.4486 | 334.3721 | 13.43712 | 7.743 |
| 2026 Apr 11 17:57 | 2026 Apr 08 06:28:59 | 69.3653 | 0.01643 | 2.1494 | 181.4486 | 334.3721 | 13.43712 | 7.743 |
| 2026 Apr 10 17:58 | 2026 Apr 08 06:28:59 | 69.3653 | 0.01643 | 2.1494 | 181.4486 | 334.3721 | 13.43712 | 7.743 |
| 2026 Apr 09 18:01 | 2026 Apr 08 06:28:59 | 69.3653 | 0.01643 | 2.1494 | 181.4486 | 334.3721 | 13.43712 | 7.743 |
| 2026 Apr 08 17:57 | 2026 Apr 08 06:28:59 | 69.3653 | 0.01643 | 2.1494 | 181.4486 | 334.3721 | 13.43712 | 7.743 |
| 2026 Apr 07 17:57 | 2026 Apr 02 07:36:42 | 69.3644 | 0.01647 | 2.9496 | 187.9102 | 334.3721 | 13.43712 | 7.743 |
| 2026 Apr 06 17:57 | 2026 Apr 02 07:36:42 | 69.3644 | 0.01647 | 2.9496 | 187.9102 | 334.3721 | 13.43712 | 7.743 |
| 2026 Apr 05 17:56 | 2026 Apr 02 07:36:42 | 69.3644 | 0.01647 | 2.9496 | 187.9102 | 334.3721 | 13.43712 | 7.743 |
| 2026 Apr 04 17:57 | 2026 Apr 02 07:36:42 | 69.3644 | 0.01647 | 2.9496 | 187.9102 | 334.3721 | 13.43712 | 7.743 |
| 2026 Apr 03 17:56 | 2026 Apr 02 07:36:42 | 69.3644 | 0.01647 | 2.9496 | 187.9102 | 334.3721 | 13.43712 | 7.743 |
| 2026 Apr 02 18:03 | 2026 Apr 02 07:36:42 | 69.3644 | 0.01647 | 2.9496 | 187.9102 | 334.3721 | 13.43712 | 7.743 |
| 2026 Mar 31 17:57 | 2026 Mar 26 09:13:58 | 69.3627 | 0.01651 | 3.8815 | 195.4151 | 334.3721 | 13.43712 | 7.743 |
| 2026 Mar 30 17:58 | 2026 Mar 26 09:13:58 | 69.3627 | 0.01651 | 3.8815 | 195.4151 | 334.3721 | 13.43712 | 7.743 |
| 2026 Mar 29 17:57 | 2026 Mar 26 09:13:58 | 69.3627 | 0.01651 | 3.8815 | 195.4151 | 334.3721 | 13.43712 | 7.743 |
| 2026 Mar 28 18:57 | 2026 Mar 26 09:13:58 | 69.3627 | 0.01651 | 3.8815 | 195.4151 | 334.3721 | 13.43712 | 7.743 |
| 2026 Mar 27 18:57 | 2026 Mar 26 09:13:58 | 69.3627 | 0.01651 | 3.8815 | 195.4151 | 334.3721 | 13.43712 | 7.743 |
| 2026 Mar 26 18:57 | 2026 Mar 26 09:13:58 | 69.3627 | 0.01651 | 3.8815 | 195.4151 | 334.3721 | 13.43712 | 7.743 |
| 2026 Mar 25 18:56 | 2026 Mar 20 10:17:57 | 69.3617 | 0.01654 | 4.6822 | 201.8496 | 334.3721 | 13.43712 | 7.743 |
| 2026 Mar 24 18:56 | 2026 Mar 20 10:17:57 | 69.3617 | 0.01654 | 4.6822 | 201.8496 | 334.3721 | 13.43712 | 7.743 |
| 2026 Mar 23 18:56 | 2026 Mar 20 10:17:57 | 69.3617 | 0.01654 | 4.6822 | 201.8496 | 334.3721 | 13.43712 | 7.743 |
| 2026 Mar 22 18:56 | 2026 Mar 20 10:17:57 | 69.3617 | 0.01654 | 4.6822 | 201.8496 | 334.3721 | 13.43712 | 7.743 |
| 2026 Mar 21 19:05 | 2026 Mar 20 10:17:57 | 69.3617 | 0.01654 | 4.6822 | 201.8496 | 334.3721 | 13.43712 | 7.743 |
| 2026 Mar 20 18:57 | 2026 Mar 20 10:17:57 | 69.3617 | 0.01654 | 4.6822 | 201.8496 | 334.3721 | 13.43712 | 7.743 |
| 2026 Mar 19 18:56 | 2026 Mar 15 10:40:54 | 69.3610 | 0.01657 | 5.3522 | 207.2227 | 334.3721 | 13.43712 | 7.743 |