COSMOS 2587 (RODNIK-S 21) is a payload in LEO orbit, operated by Aerospace Defence Forces, launched 2025.
| Orbit class | LEO |
| Inclination | 82.4968° |
| Eccentricity | 0.0014681 |
| Period | 115.9 min |
| Apogee | 1,506 km |
| Perigee | 1,483 km |
| Mean motion | 12.42893588 rev/day |
| RAAN | 66.2540° |
| Arg of perigee | 332.6148° |
| Mean anomaly | 27.4157° |
| B* | 4.3236e-5 |
| Rev at epoch | 5,934 |
1 63290U 25054C 26188.21048279 .00000016 00000-0 43236-4 0 99932 63290 82.4968 66.2540 0014681 332.6148 27.4157 12.42893588 59346{
"OBJECT_NAME": "COSMOS 2587 (RODNIK-S 21)",
"OBJECT_ID": "2025-054C",
"EPOCH": "2026-07-07T05:03:05.713+00:00",
"MEAN_MOTION": 12.42893588,
"ECCENTRICITY": 0.0014681,
"INCLINATION": 82.4968,
"RA_OF_ASC_NODE": 66.254,
"ARG_OF_PERICENTER": 332.6148,
"MEAN_ANOMALY": 27.4157,
"EPHEMERIS_TYPE": 0,
"CLASSIFICATION_TYPE": "U",
"NORAD_CAT_ID": 63290,
"REV_AT_EPOCH": 5934,
"BSTAR": 0.000043236,
"MEAN_MOTION_DOT": 1.6e-7,
"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 | COSMOS 2587 (RODNIK-S 21) |
| 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 |