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PALAPA B4 (21964)
COSPAR: 1992-027A | Alt Name: Palapa B4
Image
Additional Sources
Launch Details
Launch Date
May 14, 1992
Launch Site
Launch Pad
LC17B
Launch Vehicle
Delta 7925
Orbital Elements
NORAD ID
21964
International Designator
1992-027A
Epoch
Sat, 04 Jul 2026 05:23:55 GMT
Apogee
Calculating...
Perigee
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Inclination
13.26°
Right Ascension
17.17°
Eccentricity
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Argument of Perigee
28.97°
Period
1440.77 min
Mean Motion
1.00 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
PALAPA B4
Alternative Name
Palapa B4
Type
Payload
Status
Unknown
Owner
TELK
Country
Indonesia
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 21964U 92027A 26185.22494403 .00000020 00000-0 00000-0 0 9994
2 21964 13.2558 17.1659 0002264 28.9720 330.6686 0.99946315 47356
Source: Celestrak
Summary
PALAPA B4 is a communication satellite launched by TELK on May 14, 1992, from Cape Canaveral Air Force Station's Launch Complex 17B using the Delta 7925 launch vehicle. The spacecraft has dimensions of 7 meters in length and diameter with a span of 7 meters. It has a dry mass of 550 kg and launched at a mass of 713 kg, powered by solar cells mounted on its body and drop-skirt configuration, along with batteries. Equipped with 24 C-band transponders for communication purposes, PALAPA B4 is manufactured by HSES and has an RCS (Reflective Cross Section) of approximately 12.5892 square meters. The satellite is cylindrical in shape and serves as a crucial component in the communication infrastructure operated by its owner, TELK.
Physical Characteristics
Length
7
Diameter
2.2
Span
7
Dry Mass
550
Launch Mass
713
Shape
Cyl
Radar Cross Section
12.5892
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Palapa B4
Purpose
Communication
Mission
Communication
Manufacturer
HSES
Life Expectancy
Unknown
Bus
HS-376
Configuration
HS-376
Motor
Star 30
Equipment
24 C-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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