Orbital elements of EPSILON R/B
| Launched | 13 September 2013 |
| Flight ended | – |
| Launch site | Uchinoura Space Center (Fomerly Kagoshima Space Center-University of Tokyo, Japan) |
| Owner | Japan |
| NORAD ID | 39255 |
| 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 01 18:56 | 2025 Dec 31 03:35:06 | 29.7511 | 0.01132 | 21.3680 | 87.1578 | 274.1953 | 14.01608 | – |
| 2025 Dec 31 18:57 | 2025 Dec 31 03:35:06 | 29.7511 | 0.01132 | 21.3680 | 87.1578 | 274.1953 | 14.01608 | – |
| 2025 Dec 30 18:56 | 2025 Dec 26 07:20:50 | 29.7513 | 0.01132 | 23.1420 | 44.7248 | 274.1953 | 14.01608 | – |
| 2025 Dec 29 18:56 | 2025 Dec 26 07:20:50 | 29.7513 | 0.01132 | 23.1420 | 44.7248 | 274.1953 | 14.01608 | – |
| 2025 Dec 28 18:57 | 2025 Dec 26 07:20:50 | 29.7513 | 0.01132 | 23.1420 | 44.7248 | 274.1953 | 14.01608 | – |
| 2025 Dec 27 18:57 | 2025 Dec 26 07:20:50 | 29.7513 | 0.01132 | 23.1420 | 44.7248 | 274.1953 | 14.01608 | – |
| 2025 Dec 26 18:56 | 2025 Dec 26 07:20:50 | 29.7513 | 0.01132 | 23.1420 | 44.7248 | 274.1953 | 14.01608 | – |
| 2025 Dec 25 18:57 | 2025 Dec 20 04:20:15 | 29.7516 | 0.01132 | 1.3857 | 351.0993 | 274.1953 | 14.01608 | – |
| 2025 Dec 24 18:56 | 2025 Dec 20 04:20:15 | 29.7516 | 0.01132 | 1.3857 | 351.0993 | 274.1953 | 14.01608 | – |
| 2025 Dec 23 18:56 | 2025 Dec 20 04:20:15 | 29.7516 | 0.01132 | 1.3857 | 351.0993 | 274.1953 | 14.01608 | – |
| 2025 Dec 22 18:57 | 2025 Dec 20 04:20:15 | 29.7516 | 0.01132 | 1.3857 | 351.0993 | 274.1953 | 14.01608 | – |
| 2025 Dec 21 18:57 | 2025 Dec 20 04:20:15 | 29.7516 | 0.01132 | 1.3857 | 351.0993 | 274.1953 | 14.01608 | – |
| 2025 Dec 20 18:57 | 2025 Dec 20 04:20:15 | 29.7516 | 0.01132 | 1.3857 | 351.0993 | 274.1953 | 14.01608 | – |
| 2025 Dec 19 18:57 | 2025 Dec 12 06:35:37 | 29.7510 | 0.01132 | 4.2815 | 281.8878 | 274.1953 | 14.01608 | – |
| 2025 Dec 18 18:57 | 2025 Dec 12 06:35:37 | 29.7510 | 0.01132 | 4.2815 | 281.8878 | 274.1953 | 14.01608 | – |
| 2025 Dec 17 18:58 | 2025 Dec 12 06:35:37 | 29.7510 | 0.01132 | 4.2815 | 281.8878 | 274.1953 | 14.01608 | – |
| 2025 Dec 16 18:57 | 2025 Dec 12 06:35:37 | 29.7510 | 0.01132 | 4.2815 | 281.8878 | 274.1953 | 14.01608 | – |
| 2025 Dec 15 18:58 | 2025 Dec 12 06:35:37 | 29.7510 | 0.01132 | 4.2815 | 281.8878 | 274.1953 | 14.01608 | – |
| 2025 Dec 14 18:56 | 2025 Dec 12 06:35:37 | 29.7510 | 0.01132 | 4.2815 | 281.8878 | 274.1953 | 14.01608 | – |
| 2025 Dec 13 18:56 | 2025 Dec 12 06:35:37 | 29.7510 | 0.01132 | 4.2815 | 281.8878 | 274.1953 | 14.01608 | – |
| 2025 Dec 12 18:57 | 2025 Dec 12 06:35:37 | 29.7510 | 0.01132 | 4.2815 | 281.8878 | 274.1953 | 14.01608 | – |
| 2025 Dec 11 18:56 | 2025 Dec 07 06:56:21 | 29.7500 | 0.01131 | 6.1077 | 238.2461 | 274.1953 | 14.01608 | – |
| 2025 Dec 10 18:56 | 2025 Dec 07 06:56:21 | 29.7500 | 0.01131 | 6.1077 | 238.2461 | 274.1953 | 14.01608 | – |
| 2025 Dec 09 18:56 | 2025 Dec 07 06:56:21 | 29.7500 | 0.01131 | 6.1077 | 238.2461 | 274.1953 | 14.01608 | – |
| 2025 Dec 08 18:56 | 2025 Dec 07 06:56:21 | 29.7500 | 0.01131 | 6.1077 | 238.2461 | 274.1953 | 14.01608 | – |
| 2025 Dec 07 18:56 | 2025 Dec 07 06:56:21 | 29.7500 | 0.01131 | 6.1077 | 238.2461 | 274.1953 | 14.01608 | – |
| 2025 Dec 06 18:56 | 2025 Dec 02 10:42:22 | 29.7487 | 0.01131 | 7.8817 | 195.8248 | 274.1953 | 14.01608 | – |