X Report 7 Mar 2025
Starship Flight 8 ends with mixed results as SpaceX successfully catches Super Heavy booster but loses the upper stage in a fiery breakup.
OPS 4311 (DMSP 5B F1) (05557)
COSPAR: 1971-087A | Alt Name: DMSP 4527
Image
Additional Sources
Launch Details
Launch Date
October 14, 1971
Launch Site
AFWTR
Launch Pad
SLC10W
Launch Vehicle
Thor Burner 2A
Orbital Elements
NORAD ID
05557
International Designator
1971-087A
Epoch
Sun, 19 Jul 2026 18:38:50 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
99.02°
Right Ascension
304.27°
Eccentricity
Calculating...
Argument of Perigee
173.56°
Period
100.80 min
Mean Motion
14.29 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
Calculating...
Velocity
Calculating...
Polar Plot
3D Visualization
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Basic Satellite Info
Name
OPS 4311 (DMSP 5B F1)
Alternative Name
DMSP 4527
Type
Payload
Status
Non-operational
Owner
SAMSO
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 05557U 71087A 26200.77697065 .00000077 00000+0 48847-4 0 9990
2 05557 99.0220 304.2738 0050618 173.5576 186.6266 14.28529093845091
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
2.1
Diameter
0.8
Span
2.1
Dry Mass
192
Launch Mass
192
Shape
Taper Cyl
Radar Cross Section
1.1207
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
DMSP Block 5B F-1
Purpose
Meteorology
Mission
Meteorology
Manufacturer
RCA
Life Expectancy
Unknown
Bus
DMSP Block 5B
Configuration
Unknown
Motor
?
Equipment
?
Power System
Solar cells, batteries
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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