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LEASAT 3

NORAD 15643 Payload GEO 1985-028C ● Active
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Altitude (km)
Speed (km/s)
Latitude
Longitude
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🛰️ Orbital Parameters
Perigee
36404 km
Apogee
37076 km
Inclination
11.2°
Period
1485.1 min
Mean Motion
0.96963647 rev/day
TLE Epoch
2026-06-19 15:00:00 UTC
📐 Computed Orbital Characteristics
Avg. Altitude36,740 km
Orbital Velocity10,947 km/h
Velocity3.04 km/s
Orbital Period24.8 hours
Orbits / Day0.97
Eccentricity0.0078
Semi-Major Axis43,111 km
Est. Orbital LifetimePermanent — geostationary orbit, no atmospheric drag
🚀 Launch & Identity
Country / Operator
🇺🇸 United States
Launch Date
1985-04-12
Launch Site
Cape Canaveral, Florida
Int'l Designator
1985-028C
Object Type
Payload
RCS Size
Large (>1 m²)
📖 About This Object
LEASAT 3 is an active satellite operated by United States, launched on 1985-04-12 from Cape Canaveral, Florida. With over 41 years in orbit, it has far exceeded many satellites’ design lifetimes. It orbits in Geostationary Orbit (GEO) at altitudes between 36,404 km and 37,076 km with an inclination of 11.2°. It travels at approximately 10,947 km/h (3.04 km/s), completing one full orbit every 24.8 hours — that’s roughly 0.97 orbits per day. At geostationary altitude, there is no meaningful atmospheric drag — this object will remain in orbit indefinitely unless actively deorbited. Orbital Radar tracks LEASAT 3 in real time using the latest two-line element set (TLE) data, providing live position, altitude, speed and orbital path updated continuously.
🌍 Orbit Context
LEASAT 3 occupies geostationary orbit at approximately 35,786 km above the equator, where its orbital period matches the Earth’s 24-hour rotation. From the ground, it appears to hover over a fixed point — ideal for broadcast television, weather monitoring and wideband communications. With an inclination of 11.2°, it traces a small figure-of-eight pattern relative to the equator rather than remaining perfectly stationary, which can indicate aging stationkeeping fuel or a deliberate inclined-orbit strategy. Within ±50 km of LEASAT 3’s average altitude, there are currently 6 active payloads and 0 tracked debris or rocket body fragments. United States operates approximately 12,360 active satellites in total, of which 2 share a similar altitude band with LEASAT 3.
❓ Frequently Asked Questions
LEASAT 3 orbits at approximately 36,740 km altitude, where the orbital period matches the Earth’s 24-hour rotation. This means it stays above the same point on the equator at all times. Its actual speed is still 10,947 km/h — it just keeps pace with the ground below. With an inclination of 11.2°, it actually traces a small figure-of-eight pattern rather than remaining perfectly fixed. Learn more about geostationary orbits.
LEASAT 3 is operated by United States. It is catalogued by the U.S. Space Surveillance Network under NORAD ID 15643. You can track LEASAT 3 in real time on Orbital Radar’s live tracker or browse all operators in the operator directory.
LEASAT 3 was launched on 1985-04-12 from Cape Canaveral, Florida, one of the busiest launch facilities in the world, operated by NASA and the U.S. Space Force on Florida’s Atlantic coast. View the full satellite launch log.
Yes — Orbital Radar tracks LEASAT 3 (NORAD ID 15643) 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.
LEASAT 3 travels at approximately 10,947 km/h (6,802 mph) — roughly 3.04 km/s. Despite this high speed, it appears stationary from the ground because it matches the Earth’s rotation. Geostationary satellites are actually slower than LEO satellites because orbital velocity decreases with altitude.