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SUNSAT (SO-35) (25636)
COSPAR: 1999-008C | Alt Name: Sunsat-OSCAR-35
Image
Additional Sources
Launch Details
Launch Date
February 23, 1999
Launch Site
AFWTR
Launch Pad
SLC2W
Launch Vehicle
Delta 7920-10
Orbital Elements
NORAD ID
25636
International Designator
1999-008C
Epoch
Sat, 04 Jul 2026 01:40:44 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
96.47°
Right Ascension
57.87°
Eccentricity
Calculating...
Argument of Perigee
274.53°
Period
99.55 min
Mean Motion
14.46 rev/day
Latitude
Calculating...
Longitude
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Altitude
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Velocity
Calculating...
Polar Plot
3D Visualization
Basic Satellite Info
Name
SUNSAT (SO-35)
Alternative Name
Sunsat-OSCAR-35
Type
Payload
Status
Non-operational
Owner
STBO
Country
South Africa
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 25636U 99008C 26185.06996070 .00000192 00000-0 55435-4 0 9995
2 25636 96.4679 57.8729 0140023 274.5334 83.9880 14.46478850441676
Source: Celestrak
Summary
SUNSAT (SO-35), also known as Sunsat-OSCAR-35, is an experimental satellite launched on February 23, 1999, from AFWTR SLC2W using a Delta 7920-10 launch vehicle. The satellite was manufactured by STBO and operated under the same ownership for its mission purposes. It measures 0.6 meters in length with a diameter of 0.5 meters and spans 2.8 meters, featuring a box-shaped body with an antenna extension. SUNSAT has a dry mass of 60 kilograms and is powered by solar cells complemented by batteries. The satellite's bus configuration is listed as "Sunsat" without further detailed specifications provided for its equipment or specific mission functions beyond being experimental in nature.
Physical Characteristics
Length
0.6
Diameter
0.5
Span
2.8
Dry Mass
60
Launch Mass
60
Shape
Box + Ant
Radar Cross Section
0.4303
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Sunsat
Purpose
Experimental
Mission
Experimental
Manufacturer
STBO
Life Expectancy
Unknown
Bus
Sunsat
Configuration
?
Motor
None
Equipment
see above
Power System
Solar cells, 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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