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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 (23 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: 4 hours ago

TLE from 4 hours ago

0 MOZHAYETS 4
1 27939U 03042A   26124.89453341  .00001484  00000-0  23705-3 0  9998
2 27939  98.3463 308.0332 0012290  50.3460  57.2115 14.73392547209171

Epoch: 2026-05-04T21:28Z

TLE epoch observation values (Epoch: 2026-05-04T21:28:07.686Z)

Latitude

70.58723°

Longitude

-32.31599°

Altitude

657.762 km

Speed

7.538 km/s

True Right ascension

10h 09m 58s

True Declination

70° 28' 39"

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

09:13:10

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

655.963 km

Perigee altitude

638.694 km

Semi-major axis

7,025.466 km

Eccentricity

0.00123

Inclination

98.3463°

RAAN

308.0332°

Arg. of periapsis

50.346°

True anomaly

57.32999°

Mean anomaly

57.2115°

Eccentric anomaly

57.27074°

Mean motion

3.68579 °/min

Orbital period

97.67 mins

BSTAR

0.00023705

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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.
4 mins	2026-05-05 02:26:54.332Z	322.436° NNW	2026-05-05 02:28:54.332Z	294.357° NW	13.322°	2026-05-05 02:30:54.332Z	267.364° W
6 mins	2026-05-05 11:47:54.332Z	137.039° SSE	2026-05-05 11:49:54.332Z	93.532° ESE	36.405°	2026-05-05 11:53:54.332Z	0.827° NNE
6 mins	2026-05-06 01:15:54.332Z	6.557° NNE	2026-05-06 01:18:54.332Z	310.63° NW	43.193°	2026-05-06 01:21:54.332Z	205.185° SW

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

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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: 4 hours ago

TLE from 4 hours ago

TLE epoch observation values (Epoch: 2026-05-04T21:28:07.686Z)

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: 4 hours ago