X Report 11 Aug 2025
Severe weather conditions disrupt the launch of Amazon’s Project Kuiper satellites, highlighting ongoing challenges in satellite deployment amidst increasing competition in the space industry.
ASTRA 1D (23331)
COSPAR: 1994-070A | Alt Name: Astra 1D
Image
Additional Sources
Launch Details
Launch Date
November 1, 1994
Launch Site
FRGUI
Launch Pad
ELA2
Launch Vehicle
Ariane 42P
Orbital Elements
NORAD ID
23331
International Designator
1994-070A
Epoch
Fri, 03 Jul 2026 23:04:08 GMT
Apogee
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Perigee
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Inclination
12.32°
Right Ascension
28.60°
Eccentricity
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Argument of Perigee
116.68°
Period
1455.26 min
Mean Motion
0.99 rev/day
Latitude
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Longitude
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Altitude
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Velocity
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Polar Plot
3D Visualization
Basic Satellite Info
Name
ASTRA 1D
Alternative Name
Astra 1D
Type
Payload
Status
Non-operational
Owner
SES
Country
Luxembourg
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 23331U 94070A 26184.96121443 -.00000211 00000-0 00000-0 0 9998
2 23331 12.3183 28.5997 0006619 116.6786 244.6444 0.98951158116113
Source: Celestrak
Summary
ASTRA 1D, also known as Astra 1D, is a communication satellite (Direct Broadcasting) operated by SES and manufactured by HSES. Launched on November 1, 1994, from the ELA2 launch pad at Guiana Space Center using an Ariane 42P launch vehicle, it was designed to have a lifetime of 12 years. The satellite has a length of 4.5 meters and a diameter of 2.8 meters with a span of 21 meters, equipped with 2 deployable solar arrays for power generation and batteries. Its dry mass is 1250 kg, while its launch mass was 2924 kg. ASTRA 1D carries 24 Ku-band transponders as part of its payload. The satellite's shape can be described as a box with two panels, and it has an RCS (Reflective Coefficient Surface) value of 61.3997. It was built for communication purposes using HS-601 bus configuration and technology.
Physical Characteristics
Length
4.5
Diameter
2.8
Span
21
Dry Mass
1250
Launch Mass
2924
Shape
Box + 2 Pan
Radar Cross Section
61.3997
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Astra 1D
Purpose
Communication (Direct Broadcasting)
Mission
Communication (Direct Broadcasting)
Manufacturer
HSES
Life Expectancy
12 years
Bus
HS-601
Configuration
HS-601
Motor
R-4D-11-300
Equipment
24 Ku-band transponders
Power System
2 deployable solar arrays, 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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