IRIDIUM 82
NORAD 25467
Payload
LEO
1998-051A
● Active
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LEO · NORAD 25467
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Altitude (km)
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Speed (km/s)
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Latitude
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Longitude
🛰️ Orbital Parameters
Perigee
317 km
Apogee
356 km
Inclination
86.3°
Period
91.3 min
Mean Motion
15.78102253 rev/day
TLE Epoch
2026-06-19 06:00:00 UTC
📐 Computed Orbital Characteristics
Avg. Altitude337 km
Orbital Velocity27,752 km/h
Velocity7.71 km/s
Orbital Period91 minutes
Orbits / Day15.78
Eccentricity0.0029
Semi-Major Axis6,708 km
Est. Orbital LifetimeMonths to ~1 year
🚀 Launch & Identity
Country / Operator
🇺🇸 Iridium Communications (United States)
Launch Date
1998-09-08
Launch Site
Vandenberg SFB, California
Int'l Designator
1998-051A
Object Type
Payload
RCS Size
Large (>1 m²)
🔗 Constellation / Groups
iridium
📖 About This Object
IRIDIUM 82 is an active satellite operated by Iridium Communications (United States), launched on 1998-09-08 from Vandenberg SFB, California. With over 28 years in orbit, it has far exceeded many satellites’ design lifetimes. It orbits in Low Earth Orbit (LEO) at altitudes between 317 km and 356 km with an inclination of 86.3°. It travels at approximately 27,752 km/h (7.71 km/s), completing one full orbit every 91 minutes — that’s roughly 15.78 orbits per day. It is part of the Iridium constellation group. At its current altitude, the estimated orbital lifetime before atmospheric re-entry is months to ~1 year. Orbital Radar tracks IRIDIUM 82 in real time using the latest two-line element set (TLE) data, providing live position, altitude, speed and orbital path updated continuously.
🌍 Orbit Context
IRIDIUM 82 orbits at an average altitude of 337 km in the lower reaches of Low Earth Orbit, where atmospheric drag is significant and orbital lifetimes are measured in months to a few years. This is the busiest corridor in space — home to crewed spacecraft, rapid-revisit imaging satellites and the densest part of the Starlink constellation. Within ±50 km of IRIDIUM 82’s average altitude, there are currently 1,093 active payloads and 31 tracked debris or rocket body fragments — notable neighbours include STARLINK-1036, STARLINK-1043, STARLINK-1048. This makes it one of the more crowded altitude bands, containing roughly 6.3% of all active satellites. With an inclination of 86.3°, IRIDIUM 82 passes over latitudes between 86.3°N and 86.3°S, providing near-global coverage including the polar regions. Polar and near-polar orbits are used for reconnaissance, weather monitoring and Earth-observation missions that need to image every part of the planet. United States operates approximately 12,339 active satellites in total, of which 1,025 share a similar altitude band with IRIDIUM 82.
🔗 Iridium NEXT Constellation
This satellite is part of the Iridium NEXT constellation, a fleet of 66 operational cross-linked LEO satellites (plus spares) providing global voice, data and IoT connectivity. Iridium operates at approximately 780 km altitude across six polar orbital planes, ensuring coverage over the entire Earth surface including oceans and polar regions. The second-generation NEXT satellites replaced the original constellation between 2017–2019 and support Iridium Certus broadband and the Aireon ADS-B aircraft tracking payload.
❓ Frequently Asked Questions
IRIDIUM 82 orbits in Low Earth Orbit (LEO) at altitudes between 317 km (perigee) and 356 km (apogee), with an average altitude of approximately 337 km. It completes one orbit every 91 minutes, travelling at approximately 27,752 km/h (17,244 mph).
IRIDIUM 82 is operated by Iridium Communications (United States). It is catalogued by the U.S. Space Surveillance Network under NORAD ID 25467. You can track IRIDIUM 82 in real time on Orbital Radar’s live tracker or browse all operators in the operator directory.
IRIDIUM 82 was launched on 1998-09-08 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: months to ~1 year. View the full satellite launch log.
Yes — Orbital Radar tracks IRIDIUM 82 (NORAD ID 25467) 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. You can also browse the satellite directory to find other tracked objects.
IRIDIUM 82 travels at approximately 27,752 km/h (17,244 mph) — roughly 7.71 km/s. It completes 15.78 orbits per day, meaning the crew or instruments aboard (if any) would experience approximately 32 sunrises and sunsets every 24 hours.
IRIDIUM 82 is a member of the Iridium constellation. Satellites in this group work together to provide coordinated coverage, typically in similar orbital planes at comparable altitudes. You can view all Iridium satellites on Orbital Radar’s live tracker.