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COSMOS 2540, 44517

Orbit data source: Space-Track

COSMOS 2540, 44517 is a payload satellite owned by TS VS RF (CIS) in SSO that was launched on Fri, 30 Aug 2019 UTC via an ROKOT launch vehicle from the Plesetsk Missile And Space Complex (PKMTR). Payload-class satellites include a variety of spacecraft equipped with specific instruments for various scientific and technological missions. These include communications satellites like Starlink; space stations such as the ISS; scientific satellites like the Hubble; Earth observation satellites from companies like Planet Labs, Umbra, and HawkEye 360; GPS; miniature CubeSats for education and research; and military/defense satellites.

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Identifier
44517, 2019-057A
Orbit
SSO
Last TLE update
10 hours ago
Origin
Manufacturer
Resehetnev ISS
Mission
Operational Defense Geodetic
Bus & Motor
GEO-IK-2 14F31, Unknown motor
Mass
~900 kg wet, ~900 kg dry
Launch date (UTC)
2019-08-30 (6 years ago)
Launch vehicle
ROKOT
Launch site
Plesetsk Missile And Space Complex (PKMTR)
Object type
Payload
Rocket body
Debris
Shape & HBR
Cyl + 2 Pan, 3 m
Radar Cross Section
3.727 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 10 hours ago
0 COSMOS 2540
1 44517U 19057A   25191.57109933  .00000042  00000-0  74822-4 0  9991
2 44517  99.2148 203.8100 0015915  10.7334 349.4158 13.85875118296557
Epoch: 2025-07-10T13:42Z
TLE epoch observation values (Epoch: 2025-07-10T13:42:22.982Z)
Latitude
-0.00007°
Longitude
69.47878°
Altitude
934.518 km
Speed
7.39 km/s
True Right ascension
13h 35m 14s
True Declination
0° 00' 00"
Sunlit
Object was in daylight at epoch
Visualization orbit readout
Latitude
-20.5108°
Longitude
73.36186°
Altitude
940.743 km
Speed
7.386 km/s
Apparent Right ascension
16h 29m 17s
Apparent Declination
-65° 05' 13"
Sunlit
Object is in daylight
Visualization observer readout
Local Sidereal Time
12:16:21
Azimuth
155.29° SSE
Elevation
-25.878°
Doppler factor
1
Orbital elements
Apogee altitude
951.998 km
Perigee altitude
928.704 km
Semi-major axis
7,318.488 km
Eccentricity
0.00159
Inclination
99.2148°
RAAN
203.81°
Arg. of periapsis
10.7334°
True anomaly
Unknown
Mean anomaly
349.4158°
Eccentric anomaly
Unknown
Mean motion
3.46666 °/min
Orbital period
103.85 mins
BSTAR
0.000074822
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Other satellites on launch #57 in the year 2019 (2019-08-30 UTC)

COSMOS 2540 Visibility forecast

Observer location: undefined°, undefined°

Span
Click to sort rows by Start time (UTC) header in descending order
Start Az.
Max El. time (UTC)
Max El. Az.
Max El.
End time (UTC)
End Az.
10 mins2025-07-11 00:13:11.671Z141.866° SSE2025-07-11 00:18:11.671Z73.947° E37.585°2025-07-11 00:23:11.671Z358.843° N
7 mins2025-07-11 01:58:11.671Z228.523° WSW2025-07-11 02:01:11.671Z267.593° W21.275°2025-07-11 02:05:11.671Z313.954° NW
8 mins2025-07-11 12:51:11.671Z47.16° ENE2025-07-11 12:54:11.671Z87.603° E26.755°2025-07-11 12:59:11.671Z153.023° SSE
9 mins2025-07-11 14:33:11.671Z351.824° N2025-07-11 14:37:11.671Z293.12° NW32.34°2025-07-11 14:42:11.671Z227.985° WSW
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