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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44517 intel report (Beta)
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Identifier
Orbit
Country
CISRelated business
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)
Launch vehicle
Launch site
Object type
Shape & HBR
Cyl + 2 Pan, 1.5 m
Radar Cross Section
3.727 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 5 hours ago
TLE from 5 hours ago
0 COSMOS 2540
1 44517U 19057A 26140.46905230 .00000006 00000-0 43388-4 0 9991
2 44517 99.2058 152.4975 0014719 243.5621 116.4025 13.85942345340037Epoch: 2026-05-20T11:15Z
TLE epoch observation values (Epoch: 2026-05-20T11:15:26.118Z)
Latitude
-0.00004°
Longitude
105.51052°
Altitude
950.542 km
Speed
7.374 km/s
True Right ascension
10h 09m 59s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
01:31:27
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
950.885 km
Perigee altitude
929.342 km
Semi-major axis
7,318.251 km
Eccentricity
0.00147
Inclination
99.2058°
RAAN
152.4975°
Arg. of periapsis
243.5621°
True anomaly
116.55345°
Mean anomaly
116.4025°
Eccentric anomaly
116.47799°
Mean motion
3.46683 °/min
Orbital period
103.84 mins
BSTAR
0.000043388
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Other satellites on launch #57 in the year 2019 (2019-08-30 UTC)
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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.COSMOS 2540 Visibility forecast
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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. |
|---|---|---|---|---|---|---|---|
| 9 mins | 2026-05-20 23:31:31.843Z | 115.673° SE | 2026-05-20 23:36:31.843Z | 58.478° ENE | 22.986° | 2026-05-20 23:40:31.843Z | 13.355° NNE |
| 9 mins | 2026-05-21 01:14:31.843Z | 192.739° SSW | 2026-05-21 01:18:31.843Z | 264.198° W | 37.47° | 2026-05-21 01:23:31.843Z | 332.823° NNW |
| 4 mins | 2026-05-21 12:10:31.843Z | 75.459° E | 2026-05-21 12:11:31.843Z | 86.216° E | 13.201° | 2026-05-21 12:14:31.843Z | 117.339° SE |
| 10 mins | 2026-05-21 13:50:31.843Z | 11.277° NNE | 2026-05-21 13:54:31.843Z | 342.765° N | 43.933° | 2026-05-21 14:00:31.843Z | 200.007° SSW |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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