Space Brief 25 Jun 2025
Today's highlights include the launch of a U.S. military satellite via SpaceX, a new French defense agreement for satellite services, and the Missile Defense Agency's successful ICBM target tracking with long-range radar.
OBJECT A (63291)
COSPAR: 2025-055A | Alt Name: Yunyao-1 55
Image
Additional Sources
Launch Details
Launch Date
March 17, 2025
Launch Site
JSC
Launch Pad
LC43/95B
Launch Vehicle
Gushenxing 1
Orbital Elements
NORAD ID
63291
International Designator
2025-055A
Epoch
Sun, 19 Jul 2026 20:24:16 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
97.66°
Right Ascension
340.94°
Eccentricity
Calculating...
Argument of Perigee
351.70°
Period
95.17 min
Mean Motion
15.13 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
Calculating...
Velocity
Calculating...
Polar Plot
3D Visualization
Explore in the Catalog
Basic Satellite Info
Name
OBJECT A
Alternative Name
Yunyao-1 55
Type
Unknown
Status
Operational
Owner
YYAO
Country
China
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 63291U 25055A 26200.85018977 .00003087 00000+0 17721-3 0 9991
2 63291 97.6571 340.9386 0023181 351.7025 8.3819 15.13088755 73999
Source: Celestrak
Summary
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.
Physical Characteristics
Length
2.0
Diameter
1.5
Span
5.0
Dry Mass
50
Launch Mass
50
Shape
Box + pan
Radar Cross Section
Unknown
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Yunyao-1 55
Purpose
Unknown
Mission
Unknown
Manufacturer
CGSTL
Life Expectancy
Unknown
Bus
YY-1
Configuration
Unknown
Motor
Unknown
Equipment
Unknown
Power System
Unknown
ADCS
Unknown
Transmitter Frequency
Unknown
Map
Next Pass
Azimuth Elevation Time (Local)
Start Azimuth
Max Elevation
Stop Azimuth
Time Until
Pass Duration
Satellite Articles
View All Posts »Learn more about satellites and other related topics.
Space Brief 13 Mar 2025
Today's space brief highlights intriguing military satellite developments, new space launch strategies to counteract observation threats, and potential European defense industry advancements.
X Report 19 Jan 2025
SpaceX prepares to launch 27 Starlink satellites in its first mission since the recent Starship explosion, while the FAA investigates debris reports from the failed test flight.
Virgin Galactic's Upcoming "Galactic 06" Spaceflight
On January 26, 2024, Virgin Galactic's "Galactic 06" mission will launch, marking its 11th spaceflight.
The Satellite That Found 22 Photons and Changed Astronomy
On April 27, 1961, a Scout rocket lifted a 37-kilogram NASA satellite into orbit from Wallops Island carrying the first serious instrument for detecting cosmic gamma rays. Explorer 11 operated for seven months before its tape recorder failed. In that time it registered 22 gamma-ray photons - a pitiful number by modern standards, but enough to launch an entire branch of astronomy.
Pentagon Orders 30,000 One-Way Drones; Sierra Space Raises $550M | KeepTrack Space Brief
Pentagon to order 30,000 attritable drones within days via Gauntlet competition. Meanwhile, Sierra Space closes $550M Series C funding round for national security spaceplane applications.
New Glenn Static Fire Anomaly Grounds Amazon Launch | KeepTrack Space Brief
Blue Origin's New Glenn suffered catastrophic anomaly during static fire test at LC-36. Amazon LEO satellites pulled; NASA lunar missions now in question.
X Report 12 Jan 2025
SpaceX concludes a wet dress rehearsal for Starship Flight 7, aiming for the largest rocket launch on January 15 after weather delays.