YURI 2A (BS-2A)
NORAD 14659
Payload
GEO
1984-005A
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GEO · NORAD 14659
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Altitude (km)
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Speed (km/s)
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🛰️ Orbital Parameters
Perigee
36079 km
Apogee
36186 km
Inclination
11.1°
Period
1453.8 min
Mean Motion
0.99050271 rev/day
TLE Epoch
2026-05-08 16:00:00 UTC
📐 Computed Orbital Characteristics
Avg. Altitude36,133 km
Orbital Velocity11,025 km/h
Velocity3.06 km/s
Orbital Period24.2 hours
Orbits / Day0.99
Eccentricity0.0013
Semi-Major Axis42,504 km
Est. Orbital LifetimePermanent — geostationary orbit, no atmospheric drag
🚀 Launch & Identity
Country / Operator
🇯🇵 Japan
Launch Date
1984-01-23
Launch Site
TNSTA
Int'l Designator
1984-005A
Object Type
Payload
RCS Size
Large (>1 m²)
📖 About This Object
YURI 2A (BS-2A) is an active satellite operated by Japan, launched on 1984-01-23 from TNSTA. With over 42 years in orbit, it has far exceeded many satellites’ design lifetimes. It orbits in Geostationary Orbit (GEO) at altitudes between 36,079 km and 36,186 km with an inclination of 11.1°. It travels at approximately 11,025 km/h (3.06 km/s), completing one full orbit every 24.2 hours — that’s roughly 0.99 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 YURI 2A (BS-2A) in real time using the latest two-line element set (TLE) data, providing live position, altitude, speed and orbital path updated continuously.
🌍 Orbit Context
YURI 2A (BS-2A) 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 11.1°, 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
YURI 2A (BS-2A) orbits at approximately 36,133 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 11,025 km/h — it just keeps pace with the ground below. With an inclination of 11.1°, it actually traces a small figure-of-eight pattern rather than remaining perfectly fixed.
YURI 2A (BS-2A) is operated by Japan. It is catalogued by the U.S. Space Surveillance Network under NORAD ID 14659. You can track YURI 2A (BS-2A) in real time on Orbital Radar’s live tracker.
YURI 2A (BS-2A) was launched on 1984-01-23 from TNSTA.
Yes — Orbital Radar tracks YURI 2A (BS-2A) (NORAD ID 14659) 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.
YURI 2A (BS-2A) travels at approximately 11,025 km/h (6,850 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.