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ARABSAT-1A

NORAD 15560 Payload GEO 1985-015A ● Active
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Latitude
Longitude
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🛰️ Orbital Parameters
Perigee
35691 km
Apogee
35940 km
Inclination
11.9°
Period
1437.6 min
Mean Motion
1.00167077 rev/day
TLE Epoch
2026-03-16 15:00:00 UTC
📐 Computed Orbital Characteristics
Avg. Altitude35,816 km
Orbital Velocity11,066 km/h
Velocity3.07 km/s
Orbital Period~24 hours (geosynchronous)
Orbits / Day1.00
Eccentricity0.0030
Semi-Major Axis42,187 km
Est. Orbital LifetimePermanent — geostationary orbit, no atmospheric drag
🚀 Launch & Identity
Country / Operator
Saudi Arabia
Launch Date
1985-02-08
Launch Site
Guiana Space Centre, Kourou
Int'l Designator
1985-015A
Object Type
Payload
RCS Size
Large (>1 m²)
🔗 Constellation / Groups
geo protectedgeo protected plus
📖 About This Object
ARABSAT-1A is an active satellite operated by Saudi Arabia, launched on 1985-02-08 from Guiana Space Centre, Kourou. With over 41 years in orbit, it has far exceeded many satellites’ design lifetimes. It orbits in Geostationary Orbit (GEO) at altitudes between 35,691 km and 35,940 km with an inclination of 11.9°. It travels at approximately 11,066 km/h (3.07 km/s), completing one full orbit every ~24 hours (geosynchronous) — that’s roughly 1.00 orbits per day. It is part of the Geo Protected constellation group. At geostationary altitude, there is no meaningful atmospheric drag — this object will remain in orbit indefinitely unless actively deorbited. Orbital Radar tracks ARABSAT-1A in real time using the latest two-line element set (TLE) data, providing live position, altitude, speed and orbital path updated continuously.
🌍 Orbit Context
ARABSAT-1A occupies geostationary orbit (GEO) at approximately 35,786 km above the equator. At this precise altitude, the satellite’s orbital period matches the Earth’s rotation — so it appears to hover over a fixed point on the equator. GEO is used primarily for broadcast television, weather monitoring (Meteosat, GOES) and wideband communications. Only about 560 active satellites occupy the GEO belt, but its commercial value is immense: a single GEO slot can cover roughly one-third of the Earth’s surface. This satellite has a non-zero inclination of 11.9°, meaning it traces a small figure-of-eight pattern relative to the ground rather than remaining perfectly stationary. This can indicate an aging satellite whose stationkeeping fuel is running low, or a deliberate inclined-orbit strategy to extend operational life.
❓ Frequently Asked Questions
ARABSAT-1A orbits at approximately 35,816 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 11,066 km/h — it just keeps pace with the ground below. With an inclination of 11.9°, it actually traces a small figure-of-eight pattern rather than remaining perfectly fixed.
ARABSAT-1A is operated by Saudi Arabia. It is catalogued by the U.S. Space Surveillance Network under NORAD ID 15560. You can track ARABSAT-1A in real time on Orbital Radar’s live tracker.
ARABSAT-1A was launched on 1985-02-08 from Guiana Space Centre, Kourou, the European spaceport in French Guiana, chosen for its equatorial location which provides an energy-efficient boost for orbital insertions.
Yes — Orbital Radar tracks ARABSAT-1A (NORAD ID 15560) 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.
ARABSAT-1A travels at approximately 11,066 km/h (6,876 mph) — roughly 3.07 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.
ARABSAT-1A is a member of the Geo Protected constellation. Satellites in this group work together to provide coordinated coverage, typically in similar orbital planes at comparable altitudes. You can view all Geo Protected satellites on Orbital Radar’s live tracker.