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IRIDIUM 77 (25471)
COSPAR: 1998-051E | Alt Name: Iridium 77
DECAYED
Image
Additional Sources
Launch Details
Launch Date
September 8, 1998
Launch Site
AFWTR
Launch Pad
SLC2W
Launch Vehicle
Delta 7920-10C
Orbital Elements
NORAD ID
25471
International Designator
1998-051E
Decay Date
9/22/2017
Basic Satellite Info
Name
IRIDIUM 77
Alternative Name
Iridium 77
Type
Payload
Status
Decayed
Owner
IRID
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
Summary
IRIDIUM 77, also known as Iridium SV077, is a communication satellite operated by IRID. Launched on September 8, 1998, from the AFWTR launch site using a Delta 7920-10C launch vehicle, it has dimensions of 3.5 meters in length and 1 meter in diameter with a span of 5 meters. The satellite's dry mass is 556 kg, and its launch mass was 662 kg. It operates with two deployable solar arrays and batteries for power supply. Designed to last eight years, IRIDIUM 77 is part of the LM-700A configuration under the BUS category LM700, manufactured by MOTO/LMMS in the US. Its shape is described as a box with two panels and has an RCS value of 3.6685. The satellite's mission focuses on communication services.
Physical Characteristics
Length
3.5
Diameter
1
Span
5
Dry Mass
556
Launch Mass
662
Shape
Box + 2 Pan
Radar Cross Section
3.6685
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Iridium SV077
Purpose
Communication
Mission
Communication
Manufacturer
MOTO/LMMS
Life Expectancy
8 years
Bus
LM700
Configuration
LM-700A
Motor
?
Equipment
?
Power System
2 deployable solar arrays, batteries
ADCS
Unknown
Transmitter Frequency
Unknown
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