▸Orbital parameters

Orbit class	LEO
Inclination	82.4876°
Eccentricity	0.0006626
Period	116.0 min
Apogee	1,508 km
Perigee	1,498 km
Mean motion	12.40870938 rev/day
RAAN	79.9637°
Arg of perigee	158.0621°
Mean anomaly	202.0742°
B*	2.9821e-4
Rev at epoch	77,012

▸Two-line element set (TLE)

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

1 35498U 09036A 26188.16853185 .00000050 00000-0 29821-3 0 9999

2 35498 82.4876 79.9637 0006626 158.0621 202.0742 12.40870938770126

▸ source OMM (JSON)

{
  "OBJECT_NAME": "COSMOS 2451",
  "OBJECT_ID": "2009-036A",
  "EPOCH": "2026-07-07T04:02:41.152+00:00",
  "MEAN_MOTION": 12.40870938,
  "ECCENTRICITY": 0.0006626,
  "INCLINATION": 82.4876,
  "RA_OF_ASC_NODE": 79.9637,
  "ARG_OF_PERICENTER": 158.0621,
  "MEAN_ANOMALY": 202.0742,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 35498,
  "REV_AT_EPOCH": 77012,
  "BSTAR": 0.00029821,
  "MEAN_MOTION_DOT": 5e-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 2451
Operator	Russian Space ForcesHIGHvia GCAT — Jonathan McDowell's General Catalog
Country	Russia
Launch date	Jul 6, 2009HIGHvia GCAT — Jonathan McDowell's General Catalog
Launch mass (kg)	225HIGHvia 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/35498

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