▸Orbital parameters

Orbit class	SSO
Inclination	96.9170°
Eccentricity	0.0008346
Period	92.8 min
Apogee	416 km
Perigee	405 km
Mean motion	15.52227578 rev/day
RAAN	246.4709°
Arg of perigee	317.0620°
Mean anomaly	42.9982°
B*	1.6898e-4
Rev at epoch	20,945

▸Two-line element set (TLE)

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

1 54109U 22137A 26188.21468198 .00010172 00000-0 16898-3 0 9994

2 54109 96.9170 246.4709 0008346 317.0620 42.9982 15.52227578209453

▸ source OMM (JSON)

{
  "OBJECT_NAME": "COSMOS 2561",
  "OBJECT_ID": "2022-137A",
  "EPOCH": "2026-07-07T05:09:08.523+00:00",
  "MEAN_MOTION": 15.52227578,
  "ECCENTRICITY": 0.0008346,
  "INCLINATION": 96.917,
  "RA_OF_ASC_NODE": 246.4709,
  "ARG_OF_PERICENTER": 317.062,
  "MEAN_ANOMALY": 42.9982,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 54109,
  "REV_AT_EPOCH": 20945,
  "BSTAR": 0.00016898,
  "MEAN_MOTION_DOT": 0.00010172,
  "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 2561
Operator	Russian Ministry of DefenseHIGHvia GCAT — Jonathan McDowell's General Catalog
Country	Russia
Launch date	Oct 21, 2022HIGHvia GCAT — Jonathan McDowell's General Catalog
Launch mass (kg)	500HIGHvia 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/54109

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