Space Brief 29 Aug 2025
Today's Space Brief highlights emerging technologies in space, a contract for U.S. Space Force missions, developments in military operations, and updates on drone advancements.
OBJECT M (64887)
COSPAR: 2025-155M | Alt Name: SM-3.1
Image
Additional Sources
Launch Details
Launch Date
July 25, 2025
Launch Site
VOSTO
Launch Pad
PU1S
Launch Vehicle
Soyuz-2-1B
Orbital Elements
NORAD ID
64887
International Designator
2025-155M
Epoch
Sun, 19 Jul 2026 20:58:43 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
97.45°
Right Ascension
171.71°
Eccentricity
Calculating...
Argument of Perigee
61.95°
Period
93.52 min
Mean Motion
15.40 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
Calculating...
Velocity
Calculating...
Polar Plot
3D Visualization
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Basic Satellite Info
Name
OBJECT M
Alternative Name
SM-3.1
Type
Unknown
Status
Operational
Owner
STTS
Country
Unknown
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 64887U 25155M 26200.87411666 .00018374 00000+0 46382-3 0 9998
2 64887 97.4519 171.7124 0008991 61.9500 298.2654 15.39847521 85915
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
0.3
Diameter
0.1
Span
0.3
Dry Mass
3
Launch Mass
3
Shape
Box
Radar Cross Section
Unknown
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
CSTP-4.3
Purpose
Unknown
Mission
Unknown
Manufacturer
STTS
Life Expectancy
Unknown
Bus
Cubesat 3U
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
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