MOZHAYETS 4, 27939
Orbit data source: Space-Track
MOZHAYETS 4, 27939 is a payload satellite owned by Mozhaiskiy (CIS) in SSO that was launched on Sat, 27 Sep 2003 UTC via a KOSMOS 11K65M 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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27939 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
CISRelated business
Manufacturer
NPO PM
Mission
Operational Civil Technology
Bus & Motor
STRELA-1M, Unknown motor
Mass
64 kg wet, 64 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Poly, 0.5 m
Radar Cross Section
1.143 m², Medium (>0.1 m² and < 1m²)
Expand to show TLE details & historyLast TLE update: 4 hours ago
TLE from 4 hours ago
0 MOZHAYETS 4
1 27939U 03042A 25293.31930398 .00002542 00000-0 40610-3 0 9993
2 27939 98.3371 106.1078 0010532 313.6018 144.2096 14.72740416180235Epoch: 2025-10-20T07:39Z
TLE epoch observation values (Epoch: 2025-10-20T07:39:47.863Z)
Latitude
78.59966°
Longitude
-171.57527°
Altitude
671.548 km
Speed
7.525 km/s
True Right ascension
22h 09m 35s
True Declination
78° 31' 55"
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
06:06:58
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
656.805 km
Perigee altitude
642.002 km
Semi-major axis
7,027.541 km
Eccentricity
0.00105
Inclination
98.3371°
RAAN
106.1078°
Arg. of periapsis
313.6018°
True anomaly
144.28011°
Mean anomaly
144.2096°
Eccentric anomaly
144.24486°
Mean motion
3.68416 °/min
Orbital period
97.72 mins
BSTAR
0.0004061
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Other satellites on launch #42 in the year 2003 (2003-09-27 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.MOZHAYETS 4 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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2025-10-20 12:13:46.138Z | 198.848° SSW | 2025-10-20 12:17:46.138Z | 275.681° WNW | 29.433° | 2025-10-20 12:20:46.138Z | 324.457° NNW |
| 7 mins | 2025-10-21 00:06:46.138Z | 33.504° NE | 2025-10-21 00:09:46.138Z | 98.556° ESE | 35.22° | 2025-10-21 00:13:46.138Z | 171.162° S |
| 4 mins | 2025-10-21 01:44:46.138Z | 317.193° NNW | 2025-10-21 01:45:46.138Z | 301.397° NW | 16.629° | 2025-10-21 01:48:46.138Z | 257.273° W |
| 6 mins | 2025-10-21 11:04:46.138Z | 132.68° SE | 2025-10-21 11:07:46.138Z | 73.905° E | 32.197° | 2025-10-21 11:10:46.138Z | 10.571° NNE |
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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