BD-17
NORAD 40549
Payload
GEO
2015-019A
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GEO · NORAD 40549
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Altitude (km)
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Latitude
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Longitude
🛰️ Orbital Parameters
Perigee
35625 km
Apogee
35945 km
Inclination
48.9°
Period
1436.0 min
Mean Motion
1.00276247 rev/day
TLE Epoch
2026-11-02 10:00:00 UTC
📐 Computed Orbital Characteristics
Avg. Altitude35,785 km
Orbital Velocity11,070 km/h
Velocity3.07 km/s
Orbital Period~24 hours (geosynchronous)
Orbits / Day1.00
Eccentricity0.0038
Semi-Major Axis42,156 km
Est. Orbital LifetimePermanent — geostationary orbit, no atmospheric drag
🚀 Launch & Identity
Country / Operator
🇨🇳 Chinese Ministry of National Defense (China)
Launch Date
2015-03-30
Launch Site
Xichang Satellite Launch Center, China
Int'l Designator
2015-019A
Object Type
Payload
RCS Size
Large (>1 m²)
📖 About This Object
BD-17 is an active satellite operated by Chinese Ministry of National Defense (China), launched on 2015-03-30 from Xichang Satellite Launch Center, China on the Beidou I1-S launch. After 11 years in orbit, it continues to be tracked by global surveillance networks. It orbits in Geostationary Orbit (GEO) at altitudes between 35,625 km and 35,945 km with an inclination of 48.9°. It travels at approximately 11,070 km/h (3.07 km/s), completing one full orbit every ~24 hours (geosynchronous) — that’s roughly 1.00 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 BD-17 in real time using the latest two-line element set (TLE) data, providing live position, altitude, speed and orbital path updated continuously.
🌍 Orbit Context
BD-17 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 48.9°, 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 BD-17’s average altitude, there are currently 731 active payloads and 57 tracked debris or rocket body fragments — notable neighbours include ASTRA 1N, GOES 16, TDRS 13. China operates approximately 1,340 active satellites in total, of which 106 share a similar altitude band with BD-17.
❓ Frequently Asked Questions
BD-17 orbits at approximately 35,785 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 11,070 km/h — it just keeps pace with the ground below. With an inclination of 48.9°, it actually traces a small figure-of-eight pattern rather than remaining perfectly fixed. Learn more about geostationary orbits.
BD-17 is operated by Chinese Ministry of National Defense (China). It is catalogued by the U.S. Space Surveillance Network under NORAD ID 40549. You can track BD-17 in real time on Orbital Radar’s live tracker or browse all operators in the operator directory.
BD-17 was launched on 2015-03-30 from Xichang Satellite Launch Center, China. View the full satellite launch log.
Yes — Orbital Radar tracks BD-17 (NORAD ID 40549) using the latest TLE (two-line element set) orbital data in its live tracking catalogue (see our data sources). 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.
BD-17 travels at approximately 11,070 km/h (6,878 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.