COSMOS 2540 is a payload in SSO orbit, operated by Topographics Service of the Russian Armed Froces, launched 2019.
| Orbit class | SSO |
| Inclination | 99.2051° |
| Eccentricity | 0.0016646 |
| Period | 103.9 min |
| Apogee | 955 km |
| Perigee | 931 km |
| Mean motion | 13.85950985 rev/day |
| RAAN | 199.4013° |
| Arg of perigee | 115.7443° |
| Mean anomaly | 244.5433° |
| B* | 6.0977e-5 |
| Rev at epoch | 34,664 |
1 44517U 19057A 26188.18778505 .00000026 00000-0 60977-4 0 99902 44517 99.2051 199.4013 0016646 115.7443 244.5433 13.85950985346645{
"OBJECT_NAME": "COSMOS 2540",
"OBJECT_ID": "2019-057A",
"EPOCH": "2026-07-07T04:30:24.628+00:00",
"MEAN_MOTION": 13.85950985,
"ECCENTRICITY": 0.0016646,
"INCLINATION": 99.2051,
"RA_OF_ASC_NODE": 199.4013,
"ARG_OF_PERICENTER": 115.7443,
"MEAN_ANOMALY": 244.5433,
"EPHEMERIS_TYPE": 0,
"CLASSIFICATION_TYPE": "U",
"NORAD_CAT_ID": 44517,
"REV_AT_EPOCH": 34664,
"BSTAR": 0.000060977,
"MEAN_MOTION_DOT": 2.6e-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 2540 |
| Operator | Topographics Service of the Russian Armed FrocesHIGHvia GCAT — Jonathan McDowell's General Catalog⚠ sources disagree |
| Country | |
| Launch date | |
| Launch mass (kg) | 900HIGH |
//Orbital data is approximate and not for operational use. Last ingested from CelesTrak on Jul 7, 2026.
| Mission purpose | — |
| Object class |
| Orbital regime |
| Status |