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ASTRA 1H (25785)
COSPAR: 1999-033A | Alt Name: Astra 1H
Image
Additional Sources
Launch Details
Launch Date
June 18, 1999
Launch Site
Launch Pad
LC81/23
Launch Vehicle
Proton-K/DM-2M
Orbital Elements
NORAD ID
25785
International Designator
1999-033A
Epoch
Sat, 04 Jul 2026 02:19:38 GMT
Apogee
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Perigee
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Inclination
10.67°
Right Ascension
48.20°
Eccentricity
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Argument of Perigee
145.57°
Period
1455.42 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 1H
Alternative Name
Astra 1H
Type
Payload
Status
Non-operational
Owner
SES
Country
Luxembourg
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 25785U 99033A 26185.09697672 .00000050 00000-0 00000-0 0 9994
2 25785 10.6687 48.2002 0009372 145.5677 199.0130 0.98940793 51254
Source: Celestrak
Summary
ASTRA 1H is a communication satellite launched on June 18, 1999, from the TYMSC launch site using a Proton-K/DM-2M launch vehicle. Manufactured by HSES and owned by SES, it has a configuration of HS-601HP / BSS-601HP with dimensions of 3.5 meters in length, 5 meters in diameter, and a span of 10 meters. The satellite's dry mass is 2,000 kilograms, and its launch mass was 3,728 kilograms. It is equipped with 32 Ku-band transponders (all) and 2 Ka-band transponders (only #1H). Power is provided by two deployable solar arrays and batteries. The satellite's mission involves direct broadcasting communication, and it has a lifetime of 15 years.
Physical Characteristics
Length
3.5
Diameter
5
Span
10
Dry Mass
2000
Launch Mass
3728
Shape
Box + 2 Pan
Radar Cross Section
201.5215
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Astra 1H
Purpose
Communication (Direct Broadcasting)
Mission
Communication (Direct Broadcasting)
Manufacturer
HSES
Life Expectancy
15 years
Bus
HS-601HP
Configuration
HS-601HP / BSS-601HP
Motor
X/R-4D11-300
Equipment
32 Ku-band transponders (all), 2 Ka-band transponders (only #1H)
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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