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ORBCOMM FM04 (25159)
COSPAR: 1998-007C | Alt Name: Orbcomm G2
Image
Additional Sources
Launch Details
Launch Date
February 10, 1998
Launch Site
AFWTR
Launch Pad
576E
Launch Vehicle
Taurus 2210
Orbital Elements
NORAD ID
25159
International Designator
1998-007C
Epoch
Fri, 03 Jul 2026 18:25:27 GMT
Apogee
Calculating...
Perigee
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Inclination
107.96°
Right Ascension
203.55°
Eccentricity
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Argument of Perigee
296.36°
Period
100.29 min
Mean Motion
14.36 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 FM04
Alternative Name
Orbcomm G2
Type
Payload
Status
Operational
Owner
ORBC
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 25159U 98007C 26184.76767985 .00000864 00000-0 34078-3 0 9995
2 25159 107.9628 203.5451 0041774 296.3585 63.3269 14.35770133478976
Source: Celestrak
Summary
ORBCOMM FM04, also known as Orbcomm G2, is a communication satellite launched on February 10, 1998, from Vandenberg Air Force Base using the Taurus 2210 launch vehicle. The spacecraft has dimensions of 0.2 meters in length and a diameter of 1 meter with a span of 4.3 meters due to its solar arrays. It weighs 42 kilograms at launch and is equipped with two deployable solar arrays and batteries for power generation. ORBCOMM FM04 was designed for Machine-to-Machine (M2M) and Internet of Things (IoT) communication services, manufactured by OSCG, and owned by ORBC. The satellite's operational lifetime was expected to be 4 years from its launch date.
Physical Characteristics
Length
0.2
Diameter
1
Span
4.3
Dry Mass
42
Launch Mass
42
Shape
Cyl + 2 Pan + Ant
Radar Cross Section
0.883
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Orbcomm FM4
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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