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TVSAT 1

NORAD 18570 Payload GEO 1987-095A ● Active
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Altitude (km)
Speed (km/s)
Latitude
Longitude
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🛰️ Orbital Parameters
Perigee
35910 km
Apogee
36428 km
Inclination
11.4°
Period
1455.7 min
Mean Motion
0.98922894 rev/day
TLE Epoch
2026-03-17 10:00:00 UTC
📐 Computed Orbital Characteristics
Avg. Altitude36,169 km
Orbital Velocity11,020 km/h
Velocity3.06 km/s
Orbital Period24.3 hours
Orbits / Day0.99
Eccentricity0.0061
Semi-Major Axis42,540 km
Est. Orbital LifetimePermanent — geostationary orbit, no atmospheric drag
🚀 Launch & Identity
Country / Operator
🇩🇪 Germany
Launch Date
1987-11-21
Launch Site
Guiana Space Centre, Kourou
Int'l Designator
1987-095A
Object Type
Payload
RCS Size
Large (>1 m²)
🔗 Constellation / Groups
geo protected plus
📖 About This Object
TVSAT 1 is an active satellite operated by Germany, launched on 1987-11-21 from Guiana Space Centre, Kourou. With over 39 years in orbit, it has far exceeded many satellites’ design lifetimes. It orbits in Geostationary Orbit (GEO) at altitudes between 35,910 km and 36,428 km with an inclination of 11.4°. It travels at approximately 11,020 km/h (3.06 km/s), completing one full orbit every 24.3 hours — that’s roughly 0.99 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 TVSAT 1 in real time using the latest two-line element set (TLE) data, providing live position, altitude, speed and orbital path updated continuously.
🌍 Orbit Context
TVSAT 1 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 11.4°, 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
TVSAT 1 orbits at approximately 36,169 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 11,020 km/h — it just keeps pace with the ground below. With an inclination of 11.4°, it actually traces a small figure-of-eight pattern rather than remaining perfectly fixed.
TVSAT 1 is operated by Germany. It is catalogued by the U.S. Space Surveillance Network under NORAD ID 18570. You can track TVSAT 1 in real time on Orbital Radar’s live tracker.
TVSAT 1 was launched on 1987-11-21 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 TVSAT 1 (NORAD ID 18570) 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.
TVSAT 1 travels at approximately 11,020 km/h (6,847 mph) — roughly 3.06 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.
TVSAT 1 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.