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GORIZONT 10, 15144

Orbit data source: Space-Track

GORIZONT 10, 15144 is a payload satellite owned by MSvyaz (CIS) in GEO that was launched on Wed, 01 Aug 1984 UTC via a PROTON-K/DM 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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<iframe src="https://www.satcat.com/sats-embedded/15144?theme=dark&initialShowStats=false" width="600" height="400" frameborder="0" title="Kayhan Space Satcat Satellite Viewer"></iframe>

Iframe URL

https://www.satcat.com/sats-embedded/15144?theme=dark&initialShowStats=false

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Identifier

15144, 1984-078A

Orbit

GEO

Country

CIS

Related business

MinSvyazi SSR Soyuzniy Uzel Radioveshchaniya i Radiosvyazi No. 9 (RU)

Manufacturer

NPO PM

Mission

Non-operational Civil Communications

Bus & Motor

GORIZONT, Unknown motor

Mass

2,120 kg wet, ~2,000 kg dry

Launch date (UTC)

1984-08-01 (41 years ago)

Launch vehicle

PROTON-K/DM

Launch site

Tyuratam Missile And Space Complex (TTMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Cyl + 2 Pan, 4.8 m

Radar Cross Section

23.870 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 9 hours ago

TLE from 9 hours ago

0 GORIZONT 10
1 15144U 84078A   25243.23411236 -.00000219  00000-0  00000-0 0  9993
2 15144   9.4282 315.2167 0002568 304.1143  85.2524  1.00175880151670

Epoch: 2025-08-31T05:37Z

TLE epoch observation values (Epoch: 2025-08-31T05:37:07.307Z)

Latitude

4.60469°

Longitude

-79.65433°

Altitude

35,811.64 km

Speed

3.074 km/s

True Right ascension

22h 57m 07s

True Declination

4° 36' 00"

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

06:11:55

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

35,825.365 km

Perigee altitude

35,803.695 km

Semi-major axis

42,192.667 km

Eccentricity

0.00026

Inclination

9.4282°

RAAN

315.2167°

Arg. of periapsis

304.1143°

True anomaly

85.28173°

Mean anomaly

85.2524°

Eccentric anomaly

85.26706°

Mean motion

0.25043 °/min

Orbital period

1,437.52 mins

BSTAR

Loading maneuver chart data...

Computing Atmospheric mass density...

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Other satellites on launch #78 in the year 1984 (1984-08-01 UTC)

SL-12 R/B(1), 15145 (Decayed)

SL-12 PLAT, 15146 (Decayed)

SL-12 R/B(AUX MOTOR), 15160 (Decayed)

SL-12 R/B(AUX MOTOR), 15161 (Decayed)

SL-12 R/B(2), 15181

GORIZONT 10 Visibility forecast

Observer location: undefined°, undefined°
Set Observer location

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.
1440 mins	2025-08-31 14:32:17.946Z	141.162° SSE	2025-09-01 09:29:17.946Z	136.578° SSE	35.753°	2025-09-01 14:32:17.946Z	141.681° SSE

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15144 neighbors

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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

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 ascending order

Authenticating...

Click to sort rows by Secondary header in ascending order	Click to sort rows by Secondary name header in ascending order	Click to sort rows by Country header in ascending order	Click to sort rows by Owner header in ascending order	Click to sort rows by Obj. Type header in ascending order	Click to sort rows by Miss dist. header in ascending order	Click to sort rows by Rel. speed header in ascending order	Click to sort rows by Apr. angle header in ascending order	Click to sort rows by TCA header in ascending order

Check out GORIZONT 10, 15144 on other resources

View GORIZONT 10, 15144 on NASA - NSSDCA Website

View GORIZONT 10, 15144 on Heavens-Above

View GORIZONT 10, 15144 on Keep Track

View GORIZONT 10, 15144 on Celestrak

View GORIZONT 10, 15144 on Gunter's Space Page

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

GORIZONT 10, 15144

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 9 hours ago

TLE from 9 hours ago

TLE epoch observation values (Epoch: 2025-08-31T05:37:07.307Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #78 in the year 1984 (1984-08-01 UTC)

GORIZONT 10 Visibility forecast

15144 neighbors

Co-orbital & Co-planar RSOs

Check out GORIZONT 10, 15144 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 9 hours ago