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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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https://www.satcat.com/sats-embedded/27939?theme=dark&initialShowStats=false

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Identifier

27939, 2003-042A

Orbit

SSO

Country

CIS

Related business

A.F. Mozhaysky Military-Space Academy (RU)

Manufacturer

NPO PM

Mission

Operational Civil Technology

Bus & Motor

STRELA-1M, Unknown motor

Mass

64 kg wet, 64 kg dry

Launch date (UTC)

2003-09-27 (22 years ago)

Launch vehicle

KOSMOS 11K65M

Launch site

Plesetsk Missile And Space Complex (PKMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Poly, 0.5 m

Radar Cross Section

1.143 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history
Last TLE update: 8 hours ago

TLE from 8 hours ago

0 MOZHAYETS 4
1 27939U 03042A   26034.29721155  .00001579  00000-0  25319-3 0  9991
2 27939  98.3390 214.9099 0010979 339.0228 144.9636 14.73150158195835

Epoch: 2026-02-03T07:07Z

TLE epoch observation values (Epoch: 2026-02-03T07:07:59.077Z)

Latitude

55.15808°

Longitude

166.52281°

Altitude

666.493 km

Speed

7.526 km/s

True Right ascension

03h 07m 59s

True Declination

54° 59' 40"

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

16:33:26

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

655.814 km

Perigee altitude

640.386 km

Semi-major axis

7,026.237 km

Eccentricity

0.0011

Inclination

98.339°

RAAN

214.9099°

Arg. of periapsis

339.0228°

True anomaly

145.03575°

Mean anomaly

144.9636°

Eccentric anomaly

144.99968°

Mean motion

3.68518 °/min

Orbital period

97.69 mins

BSTAR

0.00025319

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Other satellites on launch #42 in the year 2003 (2003-09-27 UTC)

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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	2026-02-04 01:04:45.809Z	3.384° NNE	2026-02-04 01:07:45.809Z	298.648° NW	41.932°	2026-02-04 01:11:45.809Z	206.344° SW
7 mins	2026-02-04 12:02:45.809Z	174.152° S	2026-02-04 12:05:45.809Z	265.625° W	44°	2026-02-04 12:09:45.809Z	342.902° N

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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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Check out MOZHAYETS 4, 27939 on other resources

View MOZHAYETS 4, 27939 on NASA - NSSDCA Website

View MOZHAYETS 4, 27939 on Heavens-Above

View MOZHAYETS 4, 27939 on Keep Track

View MOZHAYETS 4, 27939 on Celestrak

View MOZHAYETS 4, 27939 on Gunter's Space Page

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

MOZHAYETS 4, 27939

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 8 hours ago

TLE from 8 hours ago

TLE epoch observation values (Epoch: 2026-02-03T07:07:59.077Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #42 in the year 2003 (2003-09-27 UTC)

MOZHAYETS 4 Visibility forecast

Co-orbital & Co-planar RSOs

Check out MOZHAYETS 4, 27939 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 8 hours ago