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
September 27, 2025
Launch Site
TSC
Launch Pad
LC9A
Launch Vehicle
Chang Zheng 6A
NORAD ID
65820
International Designator
2025-220D
Epoch
Sun, 19 Jul 2026 18:41:05 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
86.50°
Right Ascension
32.89°
Eccentricity
Calculating...
Argument of Perigee
100.78°
Period
108.73 min
Mean Motion
13.24 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
Calculating...
Velocity
Calculating...
Name
HULIANWANG DIGUI-85
Alternative Name
N/A
Type
Status
Owner
ZXW
Country
China
Constellation
N/A
Related Satellites
Major Events
N/A
1 65820U 25220D 26200.77853066 .00000028 00000+0 30549-4 0 9998
2 65820 86.4973 32.8929 0002181 100.7825 259.3555 13.24408702 39230
Source: Celestrak
Apologies, there is no summary for this satellite yet. I am working to generate these for every object in the catalog, but it is going to take time.
Length
3.0
Diameter
1.0
Span
10.0
Dry Mass
800
Launch Mass
800
Shape
Box + 2 Pan
Radar Cross Section
Unknown
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Payload
Xingwang Digui 11-04
Purpose
Unknown
Mission
Unknown
Manufacturer
SECM
Life Expectancy
Unknown
Bus
Xingwang S
Configuration
Unknown
Motor
Unknown
Equipment
Unknown
Power System
Unknown
ADCS
Unknown
Transmitter Frequency
Unknown
Learn more about satellites and other related topics.
Today's brief covers SpaceX's latest Starlink launch, fascinating exoplanet discoveries, and strategic lunar developments by China and South Korea.
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A second Starlink satellite has generated on-orbit debris in just over 3 months, threatening SpaceX's 10,151-satellite working constellation.
SpaceX continues to expand its reach with the successful launch of more Starlink satellites while exploring innovative military applications for satellite communications.
NASA concludes MAVEN mission after six months attempting to restore contact with Mars probe. Meanwhile, Falcon 9 booster flies record 35th flight on Starlink 10-35 mission.
SDA hands L3Harris and Sierra Space $1.75B to build missile warning satellites for Pentagon's Golden Dome shield, targeting 2028 demonstration under accelerated schedule.
NASA's Van Allen Probe A (1,300 lbs) reenters today after 14 years studying Earth's radiation belts. Most debris will burn up; ocean impact statistically likely.