Space Brief 31 Jul 2025
Today's Space Brief brings updates on the U.S. Space Force's upcoming missions, in-space technology strategies, the challenges faced by new launchers, and advancements in satellite communication.
GORIZONT 25 (21922)
COSPAR: 1992-017A | Alt Name: Gorizont
Image
Additional Sources
Launch Details
Launch Date
April 2, 1992
Launch Site
Launch Pad
LC81/23
Launch Vehicle
Proton-K/DM-2
Orbital Elements
NORAD ID
21922
International Designator
1992-017A
Epoch
Sat, 04 Jul 2026 02:06:01 GMT
Apogee
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Perigee
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Inclination
13.51°
Right Ascension
342.49°
Eccentricity
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Argument of Perigee
115.38°
Period
1442.19 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 25
Alternative Name
Gorizont
Type
Payload
Status
Non-operational
Owner
GPKS
Country
Russia
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 21922U 92017A 26185.08751826 .00000121 00000-0 00000-0 0 9998
2 21922 13.5131 342.4876 0025052 115.3843 256.2846 0.99848165125118
Source: Celestrak
Summary
GORIZONT 25, also known as Gorizont, is a communication satellite identified by NORAD CAT ID 21922 and OBJECT ID 1992-017A. Launched on April 2, 1992, from the TYSMC launch site using a Proton-K/DM-2 vehicle, it was manufactured by NPOPM for GPKS. The satellite measures 5.5 meters in length and has a diameter of 3.3 meters with a span of 9.5 meters. It weighs 2120 kg at launch and 2000 kg dry mass. Equipped with 6 C-band transponders and 1 Ku-band transponder, it uses two deployable solar arrays for power generation. Gorizont 25 was designed to last approximately three years and is shaped as a cylinder with two panels. Its primary mission is communication purposes.
Physical Characteristics
Length
5.5
Diameter
3.3
Span
9.5
Dry Mass
2000
Launch Mass
2120
Shape
Cyl + 2 Pan
Radar Cross Section
6.3246
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Gorizont No. 36L
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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