Space Brief 10 Dec 2025
Today's brief covers China's intense launch schedule, a new Arctic military constellation, Muon Space's defense innovations, and SpaceX's classified NROL-77 mission.
Launch Date
March 21, 1985
Launch Site
PLMSC
Launch Pad
LC132/2
Launch Vehicle
Kosmos 11K65M
NORAD ID
15618
International Designator
1985-023B
Epoch
Sat, 04 Jul 2026 04:56:50 GMT
Apogee
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Perigee
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Inclination
74.05°
Right Ascension
157.00°
Eccentricity
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Argument of Perigee
31.68°
Period
115.63 min
Mean Motion
12.45 rev/day
Latitude
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Longitude
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Altitude
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Velocity
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Name
COSMOS 1636
Alternative Name
Kosmos-1636
Type
Status
Owner
GUKOS
Country
USSR
Constellation
N/A
Related Satellites
Major Events
N/A
1 15618U 85023B 26185.20614219 -.00000011 00000-0 29283-4 0 9997
2 15618 74.0536 156.9976 0012351 31.6786 339.8070 12.45358233876999
Source: Celestrak
Length
0.8
Diameter
0.8
Span
0.8
Dry Mass
60
Launch Mass
60
Shape
Poly
Radar Cross Section
0.6768
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Payload
Strela-1M Blok 37 No. 2
Purpose
Military Communication
Mission
Military Communication
Manufacturer
NPOPM
Life Expectancy
6 months
Bus
Strela-1 11F625
Configuration
Unknown
Motor
Unknown
Equipment
Unknown
Power System
Solar cells, batteries
ADCS
Unknown
Transmitter Frequency
Unknown
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