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ORBCOMM FM27 (25481)
COSPAR: 1998-053G | Alt Name: Orbcomm C7
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
25481
International Designator
1998-053G
Epoch
Sat, 04 Jul 2026 04:40:36 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
45.00°
Right Ascension
254.57°
Eccentricity
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Argument of Perigee
253.97°
Period
100.06 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 FM27
Alternative Name
Orbcomm C7
Type
Payload
Status
Operational
Owner
ORBC
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 25481U 98053G 26185.19486952 .00000897 00000-0 33270-3 0 9993
2 25481 45.0047 254.5718 0002266 253.9687 106.0913 14.39172405452681
Source: Celestrak
Summary
ORBCOMM FM27, also known as Orbcomm C7, is a communication satellite for Machine-to-Machine (M2M) and Internet of Things (IoT) purposes launched by the US on September 23, 1998, from ERAS using a Pegasus XL/HAPS launch vehicle. The spacecraft measures 0.2 meters in length with a diameter of 1 meter and spans 4.3 meters when its deployable solar arrays are extended. It has a dry mass of 42 kilograms and is equipped with batteries for power storage. ORBCOMM FM27 was manufactured by OSCG and is owned by ORBC, carrying an Orbcomm payload designed for communication purposes. The satellite's shape consists of a cylinder with two panels and antennas. Its mission lifetime is estimated at 4 years.
Physical Characteristics
Length
0.2
Diameter
1
Span
4.3
Dry Mass
42
Launch Mass
42
Shape
Cyl + 2 Pan + Ant
Radar Cross Section
0.659
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Orbcomm FM27
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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