MONITOR-3 (RS58S) is a payload in SSO orbit, operated by Moscow State University, launched 2023.
| Orbit class | SSO |
| Inclination | 97.5070° |
| Eccentricity | 0.0011846 |
| Period | 94.2 min |
| Apogee | 489 km |
| Perigee | 473 km |
| Mean motion | 15.28265624 rev/day |
| RAAN | 251.7680° |
| Arg of perigee | 37.1438° |
| Mean anomaly | 323.0619° |
| B* | 2.8322e-4 |
| Rev at epoch | 16,734 |
1 57180U 23091Q 26188.17131955 .00007739 00000-0 28322-3 0 99992 57180 97.5070 251.7680 0011846 37.1438 323.0619 15.28265624167342{
"OBJECT_NAME": "MONITOR-3 (RS58S)",
"OBJECT_ID": "2023-091Q",
"EPOCH": "2026-07-07T04:06:42.009+00:00",
"MEAN_MOTION": 15.28265624,
"ECCENTRICITY": 0.0011846,
"INCLINATION": 97.507,
"RA_OF_ASC_NODE": 251.768,
"ARG_OF_PERICENTER": 37.1438,
"MEAN_ANOMALY": 323.0619,
"EPHEMERIS_TYPE": 0,
"CLASSIFICATION_TYPE": "U",
"NORAD_CAT_ID": 57180,
"REV_AT_EPOCH": 16734,
"BSTAR": 0.00028322,
"MEAN_MOTION_DOT": 0.00007739,
"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-3 (RS58S) |
| 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 |