Space Brief 23 Apr 2025
Today's brief highlights the US Space Force's new space conflict doctrine, Ukraine's search for Starlink alternatives, and updates on regional military activities affecting space dynamics.
Launch Date
May 26, 1999
Launch Site
SRILR
Launch Pad
FLP
Launch Vehicle
PSLV
NORAD ID
25757
International Designator
1999-029B
Epoch
Sat, 04 Jul 2026 05:46:11 GMT
Apogee
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Perigee
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Inclination
98.67°
Right Ascension
181.31°
Eccentricity
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Argument of Perigee
301.02°
Period
99.14 min
Mean Motion
14.52 rev/day
Latitude
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Longitude
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Altitude
Calculating...
Velocity
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Name
DLR-TUBSAT
Alternative Name
DLR-TUBSAT
Type
Status
Owner
DLR2
Country
Germany
Constellation
N/A
Related Satellites
Major Events
N/A
1 25757U 99029B 26185.24040822 .00000111 00000-0 39184-4 0 9991
2 25757 98.6703 181.3060 0013162 301.0186 58.9715 14.52431286435724
Source: Celestrak
Length
0.3
Diameter
0.3
Span
0.3
Dry Mass
45
Launch Mass
45
Shape
Box
Radar Cross Section
0.2619
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Payload
DLR-TUBSAT
Purpose
Earth observation
Mission
Earth observation
Manufacturer
TUB
Life Expectancy
Unknown
Bus
TUBSAT
Configuration
Tubsat-C Bus
Motor
None
Equipment
TV cameras
Power System
Solar cells, batteries
ADCS
Unknown
Transmitter Frequency
Unknown
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