Long March 10B Debut Highlights 4-Launch Week | KeepTrack Week in Review
This week: China's Long March 10B debuted successfully, SpaceX merged with xAI, and Starlink topped 10,775 satellites in orbit.
Launch Date
December 20, 1990
Launch Site
Launch Pad
LC81/23
Launch Vehicle
Proton-K/DM-2
NORAD ID
21016
International Designator
1990-112A
Epoch
Sat, 04 Jul 2026 00:27:09 GMT
Apogee
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Perigee
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Inclination
12.82°
Right Ascension
337.80°
Eccentricity
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Argument of Perigee
117.50°
Period
1436.23 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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Name
RADUGA 26
Alternative Name
Raduga
Type
Status
Owner
UNKS
Country
USSR
Constellation
N/A
Related Satellites
Major Events
N/A
1 21016U 90112A 26185.01885903 .00000080 00000-0 00000-0 0 9997
2 21016 12.8209 337.7962 0003422 117.4957 246.8855 1.00262339130431
Source: Celestrak
Length
5.5
Diameter
2.5
Span
9.5
Dry Mass
1800
Launch Mass
1965
Shape
Step Cyl + 2 Pan
Radar Cross Section
2.5118
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Payload
Gran' No. 37L
Purpose
Communication
Mission
Communication
Manufacturer
NPOPM
Life Expectancy
3 years
Bus
Raduga
Configuration
KAUR-3
Motor
Unknown
Equipment
3 Delta-1 C-Band transponders, 3 Delta-2 C-Band transponders
Power System
2 deployable solar arrays, batteries
ADCS
Unknown
Transmitter Frequency
Unknown
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