FAA Grounds Starship V3 for Mishap Probe, X Report 29 May 2026
FAA grounds Starship pending a mishap investigation into the V3 debut flight; return to flight hinges on FAA sign-off. Starlink 10-53 added 29 sats.
INTELSAT 4-F1 (07815)
COSPAR: 1975-042A | Alt Name: INTELSAT IV F1
Image
Additional Sources
Launch Details
Launch Date
May 22, 1975
Launch Site
Launch Pad
LC36A
Launch Vehicle
Atlas SLV-3D Centaur
Orbital Elements
NORAD ID
07815
International Designator
1975-042A
Epoch
Sun, 19 Jul 2026 06:51:28 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
8.19°
Right Ascension
305.96°
Eccentricity
Calculating...
Argument of Perigee
275.62°
Period
1450.76 min
Mean Motion
0.99 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
Calculating...
Velocity
Calculating...
Polar Plot
3D Visualization
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Basic Satellite Info
Name
INTELSAT 4-F1
Alternative Name
INTELSAT IV F1
Type
Payload
Status
Non-operational
Owner
INTEL
Country
INTELSAT
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 07815U 75042A 26200.28574731 -.00000033 00000+0 00000+0 0 9991
2 07815 8.1871 305.9627 0011995 275.6218 84.3566 00.99258353122276
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
5.3
Diameter
2.4
Span
5.3
Dry Mass
531
Launch Mass
664
Shape
Cyl + 2 Dish
Radar Cross Section
12.5
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
INTELSAT IV F1
Purpose
Communication
Mission
Communication
Manufacturer
HSES
Life Expectancy
Unknown
Bus
HS-312
Configuration
HS-312
Motor
SVM-4A
Equipment
12 C-band transponders
Power System
Solar cells (body mounted), 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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