COSMOS

NORAD 44457 · COSPAR 2019-048A · ACTIVE

Orbit: #2644 @ 35783 x 35788 km x 0.0238 deg

CURRENT ORBIT DATA

TLE epoch 2026-10-16 19:04 UTC Â· 26.1 h old

Orbit history

// altitude & velocity from orbital-data archive

Trend: —

Altitude —

Velocity —

Next visible passes

// click to check

Current TLE

// onowactive

COSMOS 2539
1 44457U 19048A 26289.79459176 .00000083 00000-0 00000-0 0 09992
2 44457 0.0238 121.9431 0000575 272.2454 289.2113 1.00274241026446

TLE data & history 🚀 Launch manifest

Spacecraft info

// UCS Satellite Database

Launch date

August 5th 2019

Spacecraft age

7 years, 2 months

Distance travelled

—

Expected lifetime

—

Operator

Ministry of Defense

Purpose

Communications

Orbit class

GEO

Launch site

Baikonur Cosmodrome

Launch vehicle

Proton

Contractor

ISS Reshetnev

Launch mass

3,000 kg

Power

Orbit elements

// from current orbital elements

Inclination

0.0238Â°

Period

1436.06 min

Perigee

35783 km

Apogee

35788 km

Eccentricity

5.75E-5

RAAN

121.9431Â°

Arg of Perigee

272.2454Â°

Mean Motion

1.00274241 rev/d