▸Orbital parameters

Orbit class	MEO
Inclination	64.9565°
Eccentricity	0.0023316
Period	675.6 min
Apogee	19,185 km
Perigee	19,066 km
Mean motion	2.13155999 rev/day
RAAN	71.5274°
Arg of perigee	217.5246°
Mean anomaly	343.3806°
B*	0.0000e+0
Rev at epoch	29,178

▸Two-line element set (TLE)

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

1 19751U 89001C 26187.72949441 -.00000019 00000-0 00000-0 0 9996

2 19751 64.9565 71.5274 0023316 217.5246 343.3806 2.13155999291786

▸ source OMM (JSON)

{
  "OBJECT_NAME": "COSMOS 1989 (ETALON 1)",
  "OBJECT_ID": "1989-001C",
  "EPOCH": "2026-07-06T17:30:28.317+00:00",
  "MEAN_MOTION": 2.13155999,
  "ECCENTRICITY": 0.0023316,
  "INCLINATION": 64.9565,
  "RA_OF_ASC_NODE": 71.5274,
  "ARG_OF_PERICENTER": 217.5246,
  "MEAN_ANOMALY": 343.3806,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 19751,
  "REV_AT_EPOCH": 29178,
  "BSTAR": 0,
  "MEAN_MOTION_DOT": -1.9e-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 1989 (ETALON 1)
Operator	NPO Applied MechanicsHIGHvia GCAT — Jonathan McDowell's General Catalog
Country	SU
Launch date	Jan 10, 1989HIGHvia GCAT — Jonathan McDowell's General Catalog
Launch mass (kg)	1230HIGHvia 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/19751

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