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 |
| 2025 Dec 21 18:57 | 2025 Dec 20 10:43:28 | 69.3625 | 0.01669 | 16.7786 | 298.1269 | 237.3530 | 13.43707 | 7.743 |
| 2025 Dec 20 18:57 | 2025 Dec 20 10:43:28 | 69.3625 | 0.01669 | 16.7786 | 298.1269 | 237.3530 | 13.43707 | 7.743 |
| 2025 Dec 19 18:57 | 2025 Dec 12 06:09:55 | 69.3636 | 0.01667 | 17.8796 | 306.8768 | 237.3530 | 13.43707 | 7.743 |
| 2025 Dec 18 18:57 | 2025 Dec 12 06:09:55 | 69.3636 | 0.01667 | 17.8796 | 306.8768 | 237.3530 | 13.43707 | 7.743 |
| 2025 Dec 17 18:58 | 2025 Dec 12 06:09:55 | 69.3636 | 0.01667 | 17.8796 | 306.8768 | 237.3530 | 13.43707 | 7.743 |
| 2025 Dec 16 18:57 | 2025 Dec 12 06:09:55 | 69.3636 | 0.01667 | 17.8796 | 306.8768 | 237.3530 | 13.43707 | 7.743 |
| 2025 Dec 15 18:58 | 2025 Dec 12 06:09:55 | 69.3636 | 0.01667 | 17.8796 | 306.8768 | 237.3530 | 13.43707 | 7.743 |
| 2025 Dec 14 18:56 | 2025 Dec 12 06:09:55 | 69.3636 | 0.01667 | 17.8796 | 306.8768 | 237.3530 | 13.43707 | 7.743 |
| 2025 Dec 13 18:56 | 2025 Dec 12 06:09:55 | 69.3636 | 0.01667 | 17.8796 | 306.8768 | 237.3530 | 13.43707 | 7.743 |
| 2025 Dec 12 18:57 | 2025 Dec 12 06:09:55 | 69.3636 | 0.01667 | 17.8796 | 306.8768 | 237.3530 | 13.43707 | 7.743 |
| 2025 Dec 11 18:56 | 2025 Dec 07 06:24:20 | 69.3636 | 0.01665 | 18.5504 | 312.2188 | 237.3530 | 13.43707 | 7.743 |
| 2025 Dec 10 18:56 | 2025 Dec 07 06:24:20 | 69.3636 | 0.01665 | 18.5504 | 312.2188 | 237.3530 | 13.43707 | 7.743 |
| 2025 Dec 09 18:56 | 2025 Dec 07 06:24:20 | 69.3636 | 0.01665 | 18.5504 | 312.2188 | 237.3530 | 13.43707 | 7.743 |
| 2025 Dec 08 18:56 | 2025 Dec 07 06:24:20 | 69.3636 | 0.01665 | 18.5504 | 312.2188 | 237.3530 | 13.43707 | 7.743 |
| 2025 Dec 07 18:56 | 2025 Dec 07 06:24:20 | 69.3636 | 0.01665 | 18.5504 | 312.2188 | 237.3530 | 13.43707 | 7.743 |
| 2025 Dec 06 18:56 | 2025 Dec 02 06:28:47 | 69.3634 | 0.01663 | 19.2221 | 317.5611 | 237.3530 | 13.43707 | 7.743 |
| 2025 Dec 05 18:57 | 2025 Dec 02 06:28:47 | 69.3634 | 0.01663 | 19.2221 | 317.5611 | 237.3530 | 13.43707 | 7.743 |
| 2025 Dec 04 18:57 | 2025 Dec 02 06:28:47 | 69.3634 | 0.01663 | 19.2221 | 317.5611 | 237.3530 | 13.43707 | 7.743 |
| 2025 Dec 03 18:56 | 2025 Dec 02 06:28:47 | 69.3634 | 0.01663 | 19.2221 | 317.5611 | 237.3530 | 13.43707 | 7.743 |
| 2025 Dec 02 18:56 | 2025 Dec 02 06:28:47 | 69.3634 | 0.01663 | 19.2221 | 317.5611 | 237.3530 | 13.43707 | 7.743 |
| 2025 Nov 30 18:57 | 2025 Nov 25 08:37:44 | 69.3628 | 0.01660 | 20.1511 | 324.9792 | 237.3530 | 13.43707 | 7.743 |
| 2025 Nov 29 18:56 | 2025 Nov 25 08:37:44 | 69.3628 | 0.01660 | 20.1511 | 324.9792 | 237.3530 | 13.43707 | 7.743 |
| 2025 Nov 28 18:57 | 2025 Nov 25 08:37:44 | 69.3628 | 0.01660 | 20.1511 | 324.9792 | 237.3530 | 13.43707 | 7.743 |
| 2025 Nov 27 18:57 | 2025 Nov 25 08:37:44 | 69.3628 | 0.01660 | 20.1511 | 324.9792 | 237.3530 | 13.43707 | 7.743 |
| 2025 Nov 26 18:57 | 2025 Nov 25 08:37:44 | 69.3628 | 0.01660 | 20.1511 | 324.9792 | 237.3530 | 13.43707 | 7.743 |
| 2025 Nov 25 18:57 | 2025 Nov 25 08:37:44 | 69.3628 | 0.01660 | 20.1511 | 324.9792 | 237.3530 | 13.43707 | 7.743 |
| 2025 Nov 24 18:56 | 2025 Nov 20 06:22:16 | 69.3628 | 0.01658 | 20.8360 | 330.4569 | 237.3530 | 13.43707 | 7.743 |