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ORBCOMM FM28 (25482)
COSPAR: 1998-053H | Alt Name: Orbcomm C8
Image
Additional Sources
Launch Details
Launch Date
September 23, 1998
Launch Site
ERAS
Launch Pad
RW04/22
Launch Vehicle
Pegasus XL/HAPS
Orbital Elements
NORAD ID
25482
International Designator
1998-053H
Epoch
Sat, 04 Jul 2026 01:26:40 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
45.00°
Right Ascension
192.34°
Eccentricity
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Argument of Perigee
20.05°
Period
100.05 min
Mean Motion
14.39 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 FM28
Alternative Name
Orbcomm C8
Type
Payload
Status
Non-operational
Owner
ORBC
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 25482U 98053H 26185.06018972 .00000680 00000-0 26307-3 0 9996
2 25482 45.0033 192.3415 0002980 20.0468 340.0497 14.39231672453357
Source: Celestrak
Summary
ORBCOMM FM28, also known as Orbcomm C8, is a MicroStar configuration satellite owned by ORBC and manufactured by OSCG. It was launched on September 23, 1998, from ERAS using the Pegasus XL/HAPS launch vehicle from pad RW04/22. The satellite has dimensions of 0.2 meters in length, 1 meter in diameter, and a span of 4.3 meters, with a dry mass of 42 kilograms. Its primary mission is communication M2M/IoT, and it carries an Orbcomm payload for this purpose. It is powered by two deployable solar arrays and batteries. The satellite's shape consists of a cylinder with two panels and antennas, with a radar cross-section (RCS) of 1.0059 square meters. Its designed lifetime was four 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
1.0059
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Orbcomm FM28
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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