Space Brief 4 Sep 2025
Today's briefing covers a surprise launch by Israel, a milestone missile contract for Lockheed Martin, and updates on Indian missile defense strategies.
Launch Date
January 11, 2004
Launch Site
SEAL
Launch Pad
KLA -
Launch Vehicle
Zenit-3SL
NORAD ID
28138
International Designator
2004-001B
Epoch
Sat, 04 Jul 2026 01:33:54 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
0.78°
Right Ascension
349.09°
Eccentricity
Calculating...
Argument of Perigee
12.69°
Period
640.74 min
Mean Motion
2.25 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
Calculating...
Velocity
Calculating...
Name
BLOCK DM-SL R/B
Alternative Name
Blok DM-SL No. 9L
Type
Status
Owner
SEALP
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
1 28138U 04001B 26185.06521126 -.00000095 00000-0 -11860-2 0 9996
2 28138 0.7779 349.0909 7129813 12.6935 359.7143 2.24738883184599
Source: Celestrak
Length
6.3
Diameter
3.7
Span
6.3
Dry Mass
3210
Launch Mass
11650
Shape
Cyl
Radar Cross Section
17.0198
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Payload
Blok DM-SL No. 9L
Purpose
Unknown
Mission
Unknown
Manufacturer
RKKE
Life Expectancy
Unknown
Bus
Blok DM2
Configuration
Unknown
Motor
11D58M
Equipment
Unknown
Power System
Unknown
ADCS
Unknown
Transmitter Frequency
Unknown
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