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ORBCOMM FM02

NORAD 23546 Payload LEO 1995-017B ● Active
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Altitude (km)
Speed (km/s)
Latitude
Longitude
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🛰️ Orbital Parameters
Perigee
571 km
Apogee
583 km
Inclination
70.0°
Period
96.2 min
Mean Motion
14.96866726 rev/day
TLE Epoch
2026-03-17 20:00:00 UTC
📐 Computed Orbital Characteristics
Avg. Altitude577 km
Orbital Velocity27,267 km/h
Velocity7.57 km/s
Orbital Period96 minutes
Orbits / Day14.97
Eccentricity0.0009
Semi-Major Axis6,948 km
Est. Orbital Lifetime~3–10 years
🚀 Launch & Identity
Country / Operator
ORBCOMM
Launch Date
1995-04-03
Launch Site
Vandenberg SFB, California
Int'l Designator
1995-017B
Object Type
Payload
RCS Size
Medium (0.1–1 m²)
🔗 Constellation / Groups
orbcomm
📖 About This Object
ORBCOMM FM02 is an active satellite operated by ORBCOMM, launched on 1995-04-03 from Vandenberg SFB, California. With over 31 years in orbit, it has far exceeded many satellites’ design lifetimes. It orbits in Low Earth Orbit (LEO) at altitudes between 571 km and 583 km with an inclination of 70.0°. It travels at approximately 27,267 km/h (7.57 km/s), completing one full orbit every 96 minutes — that’s roughly 14.97 orbits per day. Its near-circular orbit (eccentricity close to zero) means it maintains a very consistent altitude throughout each revolution. It is part of the Orbcomm constellation group. At its current altitude, the estimated orbital lifetime before atmospheric re-entry is ~3–10 years. Orbital Radar tracks ORBCOMM FM02 in real time using the latest two-line element set (TLE) data, providing live position, altitude, speed and orbital path updated continuously.
🌍 Orbit Context
ORBCOMM FM02 orbits in the most densely populated region of Low Earth Orbit, between roughly 300 and 600 km altitude. This band is home to the International Space Station, most Earth observation satellites, and the bulk of the Starlink constellation. Objects here experience measurable atmospheric drag, which gradually lowers their orbit over months to years and eventually causes re-entry. The relatively short signal path makes this altitude ideal for low-latency communications and high-resolution imaging.
🔗 ORBCOMM Constellation

This satellite is part of the ORBCOMM constellation, providing machine-to-machine (M2M) and Internet of Things (IoT) connectivity. The OG2 (second-generation) constellation operates in LEO and supports asset tracking, fleet management and industrial monitoring for transportation, heavy equipment, maritime and energy sectors.

❓ Frequently Asked Questions
ORBCOMM FM02 orbits in Low Earth Orbit (LEO) at altitudes between 571 km (perigee) and 583 km (apogee), with an average altitude of approximately 577 km. It completes one orbit every 96 minutes, travelling at approximately 27,267 km/h (16,943 mph).
ORBCOMM FM02 is operated by ORBCOMM. It is catalogued by the U.S. Space Surveillance Network under NORAD ID 23546. You can track ORBCOMM FM02 in real time on Orbital Radar’s live tracker.
ORBCOMM FM02 was launched on 1995-04-03 from Vandenberg SFB, California, primarily used for polar and sun-synchronous orbit launches due to its southward ocean trajectory from California. At its current altitude, the estimated remaining orbital lifetime is: ~3–10 years.
Yes — Orbital Radar tracks ORBCOMM FM02 (NORAD ID 23546) using the latest TLE (two-line element set) data from Space-Track and CelesTrak. Open the live tracker to see its current position, altitude, speed and orbital path updated in real time.
ORBCOMM FM02 travels at approximately 27,267 km/h (16,943 mph) — roughly 7.57 km/s. It completes 14.97 orbits per day, meaning the crew or instruments aboard (if any) would experience approximately 30 sunrises and sunsets every 24 hours.
ORBCOMM FM02 is a member of the Orbcomm constellation. Satellites in this group work together to provide coordinated coverage, typically in similar orbital planes at comparable altitudes. You can view all Orbcomm satellites on Orbital Radar’s live tracker.