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SEDSAT 1 (SO-33) (25509)
COSPAR: 1998-061B | Alt Name: SEDSAT-OSCAR-33
Image
Additional Sources
Launch Details
Launch Date
October 24, 1998
Launch Site
Launch Pad
SLC17A
Launch Vehicle
Delta 7326-9.5
Orbital Elements
NORAD ID
25509
International Designator
1998-061B
Epoch
Sat, 04 Jul 2026 04:46:08 GMT
Apogee
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Perigee
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Inclination
31.43°
Right Ascension
17.70°
Eccentricity
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Argument of Perigee
224.26°
Period
100.46 min
Mean Motion
14.33 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
SEDSAT 1 (SO-33)
Alternative Name
SEDSAT-OSCAR-33
Type
Payload
Status
Non-operational
Owner
SEDSH
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 25509U 98061B 26185.19870638 .00000530 00000-0 85857-4 0 9994
2 25509 31.4331 17.7004 0336276 224.2589 133.0678 14.33402843448271
Source: Celestrak
Summary
SEDSAT 1 (SO-33), also known as SEDSAT-OSCAR-33, is a technology satellite launched by the US on October 24, 1998, from Cape Canaveral Air Force Station's Launch Complex 17A using a Delta 7326-9.5 launch vehicle. The spacecraft has dimensions of 32.13 cm x 32.13 cm x 35.43 cm and is designed to have a lifetime of 5 years. It was manufactured by SEDSH (Student Explorer Demonstration Satellite Program Headquarters) with a dry mass of 36 kg, identical to its launch mass. The satellite features solar cells and batteries for power supply and carries SEASIS equipment on board. Its shape is cubic with a span, length, and diameter all measuring 0.4 meters. SEDSAT 1 serves technology-related purposes as part of the SEDSAT mission under the ownership of SEDSH.
Physical Characteristics
Length
0.4
Diameter
0.4
Span
0.4
Dry Mass
36
Launch Mass
36
Shape
Cube
Radar Cross Section
0.2922
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
SEDSAT
Purpose
Technology
Mission
Technology
Manufacturer
SEDSH
Life Expectancy
5 years (design)
Bus
SEDSAT
Configuration
32.13 cm x 32.13 cm x 35.43 cm structure
Motor
?
Equipment
SEASIS
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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