X Report 22 Apr 2025
Amid multiple new launches, SpaceX marks its 300th orbital flight milestone at Cape Canaveral while pushing forward with cargo and reentry missions.
EUTELSAT 4B (25495)
COSPAR: 1998-057A | Alt Name: Hot Bird 5
Image
Additional Sources
Launch Details
Launch Date
October 9, 1998
Launch Site
Launch Pad
SLC36B
Launch Vehicle
Atlas IIA
Orbital Elements
NORAD ID
25495
International Designator
1998-057A
Epoch
Sat, 04 Jul 2026 03:55:29 GMT
Apogee
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Perigee
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Inclination
10.56°
Right Ascension
50.58°
Eccentricity
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Argument of Perigee
44.38°
Period
1462.62 min
Mean Motion
0.98 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
EUTELSAT 4B
Alternative Name
Hot Bird 5
Type
Payload
Status
Non-operational
Owner
EUTEL
Country
EUTELSAT
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 25495U 98057A 26185.16353046 .00000029 00000-0 00000-0 0 9995
2 25495 10.5582 50.5772 0016166 44.3834 310.1002 0.98453789100629
Source: Celestrak
Summary
EUTELSAT 4B (also known as Hot Bird 5) is a communication satellite launched on October 9, 1998, from Cape Canaveral Air Force Station using an Atlas IIA launch vehicle. It has dimensions of 2.8 meters in length and 1.7 meters in diameter with a span of 22.5 meters, reflecting its extended solar arrays. The satellite was manufactured by MMST (Matra Marconi Space) and is operated by EUTEL for direct broadcasting purposes. With a dry mass of 1400 kilograms, it had an initial launch mass of 3000 kilograms. Equipped with 20 Ku-band transponders, its power system includes two deployable solar arrays and batteries. The satellite has a configuration based on the Eurostar-2000+ bus and is painted in a specific color that reflects a Box + 2 Pan shape. Its mission focuses on communication services for broadcasting.
Physical Characteristics
Length
2.8
Diameter
1.7
Span
22.5
Dry Mass
1400
Launch Mass
3000
Shape
Box + 2 Pan
Radar Cross Section
7.1433
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Eutelsat HB5
Purpose
Communication (Direct Broadcasting)
Mission
Communication (Direct Broadcasting)
Manufacturer
MMST
Life Expectancy
Unknown
Bus
Eurostar 2000+
Configuration
Eurostar-2000+
Motor
R-4D-11-300
Equipment
20 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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