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HGS 1 (ASIASAT 3)

NORAD 25126 Payload GEO 1997-086A ● Active
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Altitude (km)
Speed (km/s)
Latitude
Longitude
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🛰️ Orbital Parameters
Perigee
35571 km
Apogee
35982 km
Inclination
13.0°
Period
1435.6 min
Mean Motion
1.00305689 rev/day
TLE Epoch
2026-03-17 04:00:00 UTC
📐 Computed Orbital Characteristics
Avg. Altitude35,777 km
Orbital Velocity11,071 km/h
Velocity3.08 km/s
Orbital Period~24 hours (geosynchronous)
Orbits / Day1.00
Eccentricity0.0049
Semi-Major Axis42,148 km
Est. Orbital LifetimePermanent — geostationary orbit, no atmospheric drag
🚀 Launch & Identity
Country / Operator
🇺🇸 United States
Launch Date
1997-12-24
Launch Site
Baikonur, Kazakhstan
Int'l Designator
1997-086A
Object Type
Payload
RCS Size
Large (>1 m²)
🔗 Constellation / Groups
geo protected plus
📖 About This Object
HGS 1 (ASIASAT 3) is an active satellite operated by United States, launched on 1997-12-24 from Baikonur, Kazakhstan. With over 29 years in orbit, it has far exceeded many satellites’ design lifetimes. It orbits in Geostationary Orbit (GEO) at altitudes between 35,571 km and 35,982 km with an inclination of 13.0°. It travels at approximately 11,071 km/h (3.08 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 Plus constellation group. At geostationary altitude, there is no meaningful atmospheric drag — this object will remain in orbit indefinitely unless actively deorbited. Orbital Radar tracks HGS 1 (ASIASAT 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
HGS 1 (ASIASAT 3) 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 13.0°, 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
HGS 1 (ASIASAT 3) orbits at approximately 35,777 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 11,071 km/h — it just keeps pace with the ground below. With an inclination of 13.0°, it actually traces a small figure-of-eight pattern rather than remaining perfectly fixed.
HGS 1 (ASIASAT 3) is operated by United States. It is catalogued by the U.S. Space Surveillance Network under NORAD ID 25126. You can track HGS 1 (ASIASAT 3) in real time on Orbital Radar’s live tracker.
HGS 1 (ASIASAT 3) was launched on 1997-12-24 from Baikonur, Kazakhstan, the world’s first and largest operational space launch facility, located in Kazakhstan.
Yes — Orbital Radar tracks HGS 1 (ASIASAT 3) (NORAD ID 25126) 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.
HGS 1 (ASIASAT 3) travels at approximately 11,071 km/h (6,879 mph) — roughly 3.08 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.
HGS 1 (ASIASAT 3) is a member of the Geo Protected Plus 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 Plus satellites on Orbital Radar’s live tracker.