FORESAIL-1 PRIME is a payload in SSO orbit, operated by Aalto University, launched 2025.
| Orbit class | SSO |
| Inclination | 97.4188° |
| Eccentricity | 0.0003440 |
| Period | 94.8 min |
| Apogee | 512 km |
| Perigee | 507 km |
| Mean motion | 15.18890815 rev/day |
| RAAN | 261.0640° |
| Arg of perigee | 61.9701° |
| Mean anomaly | 298.1881° |
| B* | 1.8904e-4 |
| Rev at epoch | 3,343 |
1 66778U 25276DS 26188.15706049 .00003876 00000-0 18904-3 0 99922 66778 97.4188 261.0640 0003440 61.9701 298.1881 15.18890815 33433{
"OBJECT_NAME": "FORESAIL-1 PRIME",
"OBJECT_ID": "2025-276DS",
"EPOCH": "2026-07-07T03:46:10.026+00:00",
"MEAN_MOTION": 15.18890815,
"ECCENTRICITY": 0.000344,
"INCLINATION": 97.4188,
"RA_OF_ASC_NODE": 261.064,
"ARG_OF_PERICENTER": 61.9701,
"MEAN_ANOMALY": 298.1881,
"EPHEMERIS_TYPE": 0,
"CLASSIFICATION_TYPE": "U",
"NORAD_CAT_ID": 66778,
"REV_AT_EPOCH": 3343,
"BSTAR": 0.00018904,
"MEAN_MOTION_DOT": 0.00003876,
"MEAN_MOTION_DDOT": 0
}Reconstructed from CelesTrak OMM mean-elements (element-set number is a placeholder). TLE/OMM data is approximate. Not for operational use or collision avoidance.
| Name | FORESAIL-1 PRIME |
| Operator | |
| Country | Finland |
| Launch date | |
| Launch mass (kg) | |
| Mission purpose | — |
| Object class |
//Orbital data is approximate and not for operational use. Last ingested from CelesTrak on Jul 7, 2026.
| Orbital regime |
| Status |