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COSMOS 2431 (GLONASS), 32277

Orbit data source: Space-Track

COSMOS 2431 (GLONASS), 32277 is a Commonwealth of Independent States-origin payload satellite in MEO that was launched on Fri, 26 Oct 2007 UTC via a PROTON-K/DM-2 launch vehicle from the Tyuratam Missile And Space Complex (TTMTR). 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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https://www.satcat.com/sats-embedded/32277?theme=dark&initialShowStats=false

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Identifier

32277, 2007-052C

Orbit

MEO

Country

CIS

Related business

Russian Space Forces (RU)

Manufacturer

Resehetnev ISS

Mission

Non-operational Defense Navigation

Bus & Motor

URAGAN, Unknown motor

Mass

1,450 kg wet, ~1,200 kg dry

Launch date (UTC)

2007-10-26 (18 years ago)

Launch vehicle

PROTON-K/DM-2

Launch site

Tyuratam Missile And Space Complex (TTMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Cyl + 1 Ant + 2 Pan, 3.9 m

Radar Cross Section

8.467 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 1 day ago

TLE from 1 day ago

0 COSMOS 2431 (GLONASS)
1 32277U 07052C   26035.81179550 -.00000070  00000-0  00000-0 0  9995
2 32277  65.6644 320.3157 0014253 176.3582   9.0246  2.13209069142394

Epoch: 2026-02-04T19:28Z

TLE epoch observation values (Epoch: 2026-02-04T19:28:59.131Z)

Latitude

-4.96356°

Longitude

75.33833°

Altitude

19,086.773 km

Speed

3.959 km/s

True Right ascension

09h 30m 13s

True Declination

-4° 57' 19"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

Unknown

Longitude

Unknown

Altitude

Unknown

Speed

Unknown

Apparent Right ascension

Unknown

Apparent Declination

Unknown

Sunlit

N/A

Visualization observer readout

Local Sidereal Time

00:25:53

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

19,157.283 km

Perigee altitude

19,084.595 km

Semi-major axis

25,499.076 km

Eccentricity

0.00143

Inclination

65.6644°

RAAN

320.3157°

Arg. of periapsis

176.3582°

True anomaly

9.05026°

Mean anomaly

9.0246°

Eccentric anomaly

9.03743°

Mean motion

0.53304 °/min

Orbital period

675.38 mins

BSTAR

Loading maneuver chart data...

Computing Atmospheric mass density...

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Other satellites on launch #52 in the year 2007 (2007-10-26 UTC)

SL-12 DEB, 43541

SL-12 R/B(AUX MOTOR), 32280

SL-12 DEB, 41691

SL-12 DEB, 41679 (Decayed)

SL-12 DEB, 41693 (Decayed)

SL-12 R/B(2), 32278

COSMOS 2432 (GLONASS), 32276

SL-12 DEB, 41677

SL-12 DEB, 41690

SL-12 DEB, 41688 (Decayed)

SL-12 DEB, 41682

SL-12 DEB, 43380

SL-12 DEB, 41687 (Decayed)

SL-12 DEB, 43376

SL-12 DEB, 41685

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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.

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COSMOS 2431 (GLONASS) 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.
363 mins	2026-02-05 23:40:03.480Z	256.791° W	2026-02-06 03:10:03.480Z	43.252° NE	41.439°	2026-02-06 05:43:03.480Z	146.549° SSE
51 mins	2026-02-06 21:31:03.480Z	224.241° SW	2026-02-06 22:22:03.480Z	244.364° WSW	27.291°	2026-02-06 22:22:03.480Z	244.364° WSW

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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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Click to sort rows by RSO header in ascending order	Click to sort rows by Country header in ascending order	Click to sort rows by Type header in ascending order	Click to sort rows by Inclination Δ header in ascending order	Click to sort rows by RAAN Δ header in ascending order	Click to sort rows by Coplanar Angle header in ascending order	Click to sort rows by SMA Δ header in ascending order	Click to sort rows by Orbital period header in ascending order	Click to sort rows by <5km Md TCA header in descending order

CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

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Check out COSMOS 2431 (GLONASS), 32277 on other resources

View COSMOS 2431 (GLONASS), 32277 on NASA - NSSDCA Website

View COSMOS 2431 (GLONASS), 32277 on Heavens-Above

View COSMOS 2431 (GLONASS), 32277 on Keep Track

View COSMOS 2431 (GLONASS), 32277 on Celestrak

View COSMOS 2431 (GLONASS), 32277 on Gunter's Space Page

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.

COSMOS 2431 (GLONASS), 32277

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 1 day ago

TLE from 1 day ago

TLE epoch observation values (Epoch: 2026-02-04T19:28:59.131Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #52 in the year 2007 (2007-10-26 UTC)

COSMOS 2431 (GLONASS) Visibility forecast

Co-orbital & Co-planar RSOs

Check out COSMOS 2431 (GLONASS), 32277 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 1 day ago