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ORBCOMM FM08 (25112)
COSPAR: 1997-084A | Alt Name: Orbcomm A4
Image
Additional Sources
Launch Details
Launch Date
December 23, 1997
Launch Site
ERAS
Launch Pad
RW04/22
Launch Vehicle
Pegasus XL/HAPS
Orbital Elements
NORAD ID
25112
International Designator
1997-084A
Epoch
Sat, 04 Jul 2026 02:02:24 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
45.01°
Right Ascension
332.26°
Eccentricity
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Argument of Perigee
39.42°
Period
99.50 min
Mean Motion
14.47 rev/day
Latitude
Calculating...
Longitude
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Altitude
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Velocity
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Polar Plot
3D Visualization
Basic Satellite Info
Name
ORBCOMM FM08
Alternative Name
Orbcomm A4
Type
Payload
Status
Non-operational
Owner
ORBC
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 25112U 97084A 26185.08500064 .00001531 00000-0 45360-3 0 9995
2 25112 45.0147 332.2627 0004825 39.4241 320.6962 14.47304488496674
Source: Celestrak
Summary
ORBCOMM FM08, also known as Orbcomm A4, is a MicroStar satellite manufactured by OSCG and owned by ORBC. Launched on December 23, 1997, from the ERAS launch site using a Pegasus XL/HAPS launch vehicle, it serves a communication M2M/IoT mission for the US. The satellite measures 0.2 meters in length with a diameter of 1 meter and a span of 4.3 meters, equipped with deployable solar arrays and batteries. It has an orbital lifetime of approximately 4 years and carries an Orbcomm payload. Its shape is described as Cyl + 2 Pan + Ant and has a radar cross-section (RCS) value of 0.5145 square meters. The satellite's dry mass and launch mass are both 42 kilograms, and it was launched on the same date that it stabilized in orbit.
Physical Characteristics
Length
0.2
Diameter
1
Span
4.3
Dry Mass
42
Launch Mass
42
Shape
Cyl + 2 Pan + Ant
Radar Cross Section
0.5145
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Orbcomm FM8
Purpose
Communication M2M/IoT
Mission
Communication M2M/IoT
Manufacturer
OSCG
Life Expectancy
4 years
Bus
Microstar
Configuration
MicroStar
Motor
?
Equipment
Orbcomm payload
Power System
2 deployable solar arrays, 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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