▸Orbital parameters

Orbit class	HEO
Inclination	62.8368°
Eccentricity	0.6427161
Period	717.8 min
Apogee	37,244 km
Perigee	3,110 km
Mean motion	2.00622576 rev/day
RAAN	205.6278°
Arg of perigee	272.4779°
Mean anomaly	20.7552°
B*	0.0000e+0
Rev at epoch	3,379

▸Two-line element set (TLE)

EPOCH Jul 6, 2026SOURCE CelesTrakDERIVED currentUPDATED Jul 7, 2026

1 49503U 21113A 26187.87725633 -.00000071 00000-0 00000-0 0 9993

2 49503 62.8368 205.6278 6427161 272.4779 20.7552 2.00622576 33794

▸ source OMM (JSON)

{
  "OBJECT_NAME": "COSMOS 2552",
  "OBJECT_ID": "2021-113A",
  "EPOCH": "2026-07-06T21:03:14.947+00:00",
  "MEAN_MOTION": 2.00622576,
  "ECCENTRICITY": 0.6427161,
  "INCLINATION": 62.8368,
  "RA_OF_ASC_NODE": 205.6278,
  "ARG_OF_PERICENTER": 272.4779,
  "MEAN_ANOMALY": 20.7552,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 49503,
  "REV_AT_EPOCH": 3379,
  "BSTAR": 0,
  "MEAN_MOTION_DOT": -7.1e-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.

▸Satellite metadata

Name	COSMOS 2552
Operator	Aerospace Defence ForcesHIGHvia GCAT — Jonathan McDowell's General Catalog⚠ sources disagree Russian Aerospace Defence ForcesMEDIUMvia Wikidata
Country	RussiaMEDIUMvia Wikidata
Launch date	Nov 25, 2021HIGHvia GCAT — Jonathan McDowell's General Catalog
Launch mass (kg)	2550HIGH

▸Data quality

Score90 / 100

Claims9

Sources2

TLEavailable

▸Sources

GCAT — Jonathan McDowell's General CatalogCC BY 4.0planet4589.org
WikidataCC0 1.0query.wikidata.org

▸Actions

GET /api/v1/satellites/49503

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