Andøya Spaceport
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MACSAT 1 (M 1) (20607)
COSPAR: 1990-043A | Alt Name: MACSAT 1
Image
Additional Sources
Launch Details
Launch Date
May 9, 1990
Launch Site
AFWTR
Launch Pad
SLC5
Launch Vehicle
Scout G-1
Orbital Elements
NORAD ID
20607
International Designator
1990-043A
Epoch
Fri, 03 Jul 2026 21:54:06 GMT
Apogee
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Perigee
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Inclination
89.75°
Right Ascension
243.81°
Eccentricity
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Argument of Perigee
299.61°
Period
97.61 min
Mean Motion
14.75 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
MACSAT 1 (M 1)
Alternative Name
MACSAT 1
Type
Payload
Status
Unknown
Owner
DARPA
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 20607U 90043A 26184.91257757 .00000502 00000-0 67573-4 0 9994
2 20607 89.7516 243.8068 0086993 299.6051 59.6523 14.75197474916848
Source: Celestrak
Summary
MACSAT 1 (M 1) is an experimental communication satellite launched by DARPA on May 9, 1990, from AFWTR using a Scout G-1 launch vehicle from SLC5 pad. The spacecraft has dimensions of 0.4 meters in length and 0.6 meters in diameter with a span of 6.1 meters, featuring a Cyl + Ant shape and equipped with solar cells and batteries for power. It weighs 70 kilograms both at launch and dry mass. MACSAT 1 is based on the MAESTRO Bus configuration, uses 2 UHF transponders for digital store-and-forward communication, and was designed to operate for approximately three years. The satellite's RCS value is 0.3502, indicating its reflective properties.
Physical Characteristics
Length
0.4
Diameter
0.6
Span
6.1
Dry Mass
70
Launch Mass
70
Shape
Cyl + Ant
Radar Cross Section
0.3502
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
MACSAT 1
Purpose
Experimental communication (store and forward)
Mission
Experimental communication (store and forward)
Manufacturer
DSI
Life Expectancy
3 years (design)
Bus
Ministar
Configuration
MAESTRO Bus
Motor
None
Equipment
2 UHF transponders digital store and forward communications system
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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