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GORIZONT 20 (20659)
COSPAR: 1990-054A | Alt Name: Gorizont
Image
Additional Sources
Launch Details
Launch Date
June 20, 1990
Launch Site
Launch Pad
LC200/40
Launch Vehicle
Proton-K/DM
Orbital Elements
NORAD ID
20659
International Designator
1990-054A
Epoch
Fri, 03 Jul 2026 22:52:17 GMT
Apogee
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Perigee
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Inclination
12.66°
Right Ascension
335.95°
Eccentricity
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Argument of Perigee
245.57°
Period
1435.39 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 20
Alternative Name
Gorizont
Type
Payload
Status
Non-operational
Owner
MSVYAZ
Country
USSR
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 20659U 90054A 26184.95298106 -.00000161 00000-0 00000-0 0 9990
2 20659 12.6650 335.9538 0006024 245.5715 123.9639 1.00320975131860
Source: Celestrak
Summary
GORIZONT 20, also known as Gorizont, is a communication satellite with the OBJECT_ID 1990-054A and NORAD_CAT_ID 20659. It was launched on June 20, 1990, from the Tyuratam (Baikonur) launch site using Proton-K/DM as the launch vehicle. The satellite has a cylindrical shape with two panels, dimensions of 5.5 meters in length and 3.3 meters in diameter, and spans 9.5 meters when fully deployed. It carries equipment including six C-band transponders and one Ku-band transponder for its mission. The dry mass is 2000 kg, and the launch mass was 2120 kg. It has two deployable solar arrays and batteries for power supply. Manufactured by NPOPM, it was owned by MSVYAZ and operated for about three years from its stable date of June 21, 1990.
Physical Characteristics
Length
5.5
Diameter
3.3
Span
9.5
Dry Mass
2000
Launch Mass
2120
Shape
Cyl + 2 Pan
Radar Cross Section
3.1623
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Gorizont No. 30L
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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