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BSAT-1B (25312)
COSPAR: 1998-024B | Alt Name: BSAT 1b
Image
Additional Sources
Launch Details
Launch Date
April 28, 1998
Launch Site
FRGUI
Launch Pad
ELA2
Launch Vehicle
Ariane 44P
Orbital Elements
NORAD ID
25312
International Designator
1998-024B
Epoch
Sat, 04 Jul 2026 01:30:11 GMT
Apogee
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Perigee
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Inclination
11.52°
Right Ascension
44.42°
Eccentricity
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Argument of Perigee
256.89°
Period
1452.82 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
BSAT-1B
Alternative Name
BSAT 1b
Type
Payload
Status
Non-operational
Owner
BSAT
Country
Japan
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 25312U 98024B 26185.06263069 -.00000057 00000-0 00000-0 0 9993
2 25312 11.5213 44.4215 0002450 256.8922 277.3474 0.99117685 46328
Source: Celestrak
Summary
BSAT-1B is a communication satellite identified by NORAD CAT ID 25312 and OBJECT ID 1998-024B, launched on April 28, 1998, from ELA2 in French Guiana using an Ariane 44P launch vehicle. The satellite has dimensions of 7.8 meters in length and diameter, with a span of 7.8 meters, and is manufactured by HSES. It weighs 687 kilograms at launch and has a dry mass of 468 kilograms. BSAT-1B is equipped with four active high-power Ku-band transponders (with four spares) for communication purposes. Its power source consists of body-mounted solar cells, drop-skirt solar cells, and batteries. The satellite was operated by BSAT and has a designed lifetime of 10 years.
Physical Characteristics
Length
7.8
Diameter
2.2
Span
7.8
Dry Mass
468
Launch Mass
687
Shape
Cyl
Radar Cross Section
12.5893
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
BSAT 1b
Purpose
Communication
Mission
Communication
Manufacturer
HSES
Life Expectancy
10 years
Bus
HS-376
Configuration
HS-376
Motor
TE-M-700-20
Equipment
4 active (4 spare) high-power Ku-band transponders
Power System
Solar cells (body mounted and drop-skirt), 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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