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GORIZONT 11 (15484)
COSPAR: 1985-007A | Alt Name: Gorizont
Image
Additional Sources
Launch Details
Launch Date
January 18, 1985
Launch Site
Launch Pad
LC200/39
Launch Vehicle
Proton-K/DM
Orbital Elements
NORAD ID
15484
International Designator
1985-007A
Epoch
Sat, 04 Jul 2026 05:13:59 GMT
Apogee
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Perigee
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Inclination
9.13°
Right Ascension
315.47°
Eccentricity
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Argument of Perigee
260.87°
Period
1436.70 min
Mean Motion
1.00 rev/day
Latitude
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Longitude
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Altitude
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Velocity
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Polar Plot
3D Visualization
Basic Satellite Info
Name
GORIZONT 11
Alternative Name
Gorizont
Type
Payload
Status
Non-operational
Owner
MSVYAZ
Country
USSR
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 15484U 85007A 26185.21805311 -.00000229 00000-0 00000-0 0 9999
2 15484 9.1287 315.4718 0003158 260.8746 112.0749 1.00229968152807
Source: Celestrak
Summary
GORIZONT 11, also known as Gorizont, is a communication satellite launched on January 18, 1985, from the Tyuratam Space Center (TYMSC) using a Proton-K/DM launch vehicle. The spacecraft has dimensions of 5.5 meters in length and 3.3 meters in diameter with a span of 9.5 meters when its solar arrays are deployed. It was designed by NPOPM for MSVYAZ and carries a payload named Gorizont No. 21L, including six C-band transponders and one Ku-band transponder. The satellite has a launch mass of 2,120 kg with a dry mass of 2,000 kg and is equipped with two deployable solar arrays for power generation along with batteries. Its mission was to provide communication services for three years.
Physical Characteristics
Length
5.5
Diameter
3.3
Span
9.5
Dry Mass
2000
Launch Mass
2120
Shape
Cyl + 2 Pan
Radar Cross Section
5.0118
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Gorizont No. 21L
Purpose
Communication
Mission
Communication
Manufacturer
NPOPM
Life Expectancy
3 years
Bus
Gorizont
Configuration
KAUR-3
Motor
Unknown
Equipment
6 C-band transponders, 1 Ku-band transponder
Power System
2 deployable solar arrays, batteries
ADCS
Unknown
Transmitter Frequency
Unknown
Map
Next Pass
Azimuth Elevation Time (Local)
Start Azimuth
Max Elevation
Stop Azimuth
Time Until
Pass Duration
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