MONITOR-2 (RS39S) is a payload in SSO orbit, operated by Moscow State University, launched 2023.
| Orbit class | SSO |
| Inclination | 97.5059° |
| Eccentricity | 0.0012130 |
| Period | 94.8 min |
| Apogee | 517 km |
| Perigee | 500 km |
| Mean motion | 15.19105902 rev/day |
| RAAN | 246.3613° |
| Arg of perigee | 49.7841° |
| Mean anomaly | 310.4452° |
| B* | 1.6812e-4 |
| Rev at epoch | 16,699 |
1 57184U 23091U 26188.20682529 .00003465 00000-0 16812-3 0 99982 57184 97.5059 246.3613 0012130 49.7841 310.4452 15.19105902166990{
"OBJECT_NAME": "MONITOR-2 (RS39S)",
"OBJECT_ID": "2023-091U",
"EPOCH": "2026-07-07T04:57:49.705+00:00",
"MEAN_MOTION": 15.19105902,
"ECCENTRICITY": 0.001213,
"INCLINATION": 97.5059,
"RA_OF_ASC_NODE": 246.3613,
"ARG_OF_PERICENTER": 49.7841,
"MEAN_ANOMALY": 310.4452,
"EPHEMERIS_TYPE": 0,
"CLASSIFICATION_TYPE": "U",
"NORAD_CAT_ID": 57184,
"REV_AT_EPOCH": 16699,
"BSTAR": 0.00016812,
"MEAN_MOTION_DOT": 0.00003465,
"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 | MONITOR-2 (RS39S) |
| Operator | |
| Country | Russia |
| 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 |