Space Brief 21 Jul 2025
Today's brief covers SpaceX's latest Starlink launch, fascinating exoplanet discoveries, and strategic lunar developments by China and South Korea.
Launch Date
July 17, 1999
Launch Site
Launch Pad
LC45/1
Launch Vehicle
Zenit-2
NORAD ID
25860
International Designator
1999-039A
Epoch
Fri, 03 Jul 2026 21:45:08 GMT
Apogee
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Perigee
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Inclination
97.93°
Right Ascension
243.51°
Eccentricity
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Argument of Perigee
72.13°
Period
97.27 min
Mean Motion
14.80 rev/day
Latitude
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Longitude
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Altitude
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Velocity
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Name
OKEAN-O
Alternative Name
Okean-O
Type
Status
Owner
RGMS/YUZHUA
Country
Russia
Constellation
N/A
Related Satellites
Major Events
N/A
1 25860U 99039A 26184.90635116 .00000666 00000-0 93805-4 0 9990
2 25860 97.9307 243.5117 0001137 72.1343 287.9993 14.80487212451580
Source: Celestrak
Length
10.6
Diameter
1.8
Span
10.6
Dry Mass
6000
Launch Mass
6300
Shape
Cyl + 2 Pan
Radar Cross Section
18.374
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Payload
Okean-O No. 1L
Purpose
Ocean Observation
Mission
Ocean Observation
Manufacturer
YUZHUA
Life Expectancy
3 years
Bus
Okean-O
Configuration
Unknown
Motor
AOCS 10x30N
Equipment
MSU-V, MSU-SK, MSU-M, RLSBO-D, Delta-2D, Kondor-2
Power System
Deployable solar array, batteries
ADCS
Unknown
Transmitter Frequency
Unknown
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