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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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: 12 hours ago
TLE from 12 hours ago
0 MOZHAYETS 4
1 27939U 03042A 26186.35436638 .00000784 00000-0 12887-3 0 9998
2 27939 98.3472 11.2262 0010475 205.5121 274.3612 14.73499680218223Epoch: 2026-07-05T08:30Z
TLE epoch observation values (Epoch: 2026-07-05T08:30:17.255Z)
Latitude
59.30085°
Longitude
154.52776°
Altitude
659.415 km
Speed
7.534 km/s
True Right ascension
13h 41m 49s
True Declination
59° 08' 51"
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
08:39:00
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
654.347 km
Perigee altitude
639.629 km
Semi-major axis
7,025.125 km
Eccentricity
0.00105
Inclination
98.3472°
RAAN
11.2262°
Arg. of periapsis
205.5121°
True anomaly
274.2415°
Mean anomaly
274.3612°
Eccentric anomaly
274.30135°
Mean motion
3.68606 °/min
Orbital period
97.67 mins
BSTAR
0.00012887
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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 | 2026-07-06 00:50:03.394Z | 28.476° NE | 2026-07-06 00:54:03.394Z | 110.599° ESE | 35.147° | 2026-07-06 00:57:03.394Z | 167.973° S |
| 6 mins | 2026-07-06 11:49:03.394Z | 127.706° SE | 2026-07-06 11:51:03.394Z | 87.574° E | 31.865° | 2026-07-06 11:55:03.394Z | 5.956° NNE |
| 4 mins | 2026-07-06 13:27:03.394Z | 244.917° WSW | 2026-07-06 13:28:03.394Z | 261.451° W | 17.43° | 2026-07-06 13:31:03.394Z | 306.48° NW |
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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