▸Orbital parameters

Orbit class	LEO
Inclination	67.1431°
Eccentricity	0.0008405
Period	93.9 min
Apogee	470 km
Perigee	459 km
Mean motion	15.33771586 rev/day
RAAN	39.4491°
Arg of perigee	271.7983°
Mean anomaly	88.2209°
B*	3.2836e-5
Rev at epoch	28,178

▸Two-line element set (TLE)

EPOCH Jul 7, 2026SOURCE CelesTrakDERIVED currentUPDATED Jul 7, 2026

1 48865U 21056A 26188.17335821 .00000887 00000-0 32836-4 0 9999

2 48865 67.1431 39.4491 0008405 271.7983 88.2209 15.33771586281780

▸ source OMM (JSON)

{
  "OBJECT_NAME": "COSMOS 2550",
  "OBJECT_ID": "2021-056A",
  "EPOCH": "2026-07-07T04:09:38.149+00:00",
  "MEAN_MOTION": 15.33771586,
  "ECCENTRICITY": 0.0008405,
  "INCLINATION": 67.1431,
  "RA_OF_ASC_NODE": 39.4491,
  "ARG_OF_PERICENTER": 271.7983,
  "MEAN_ANOMALY": 88.2209,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 48865,
  "REV_AT_EPOCH": 28178,
  "BSTAR": 0.000032836,
  "MEAN_MOTION_DOT": 0.00000887,
  "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.

▸Satellite metadata

Name	COSMOS 2550
Operator	Aerospace Defence ForcesHIGHvia GCAT — Jonathan McDowell's General Catalog
Country	Russia
Launch date	Jun 25, 2021HIGHvia GCAT — Jonathan McDowell's General Catalog
Launch mass (kg)	7231HIGHvia GCAT — Jonathan McDowell's General Catalog
Mission purpose	—
Object class	PAYLOADHIGH

▸Data quality

Score85 / 100

Claims7

Sources1

TLEavailable

▸Sources

GCAT — Jonathan McDowell's General CatalogCC BY 4.0planet4589.org

▸Actions

GET /api/v1/satellites/48865

//Orbital data is approximate and not for operational use. Last ingested from CelesTrak on Jul 7, 2026.