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CMS 03

NORAD 66311 Payload GEO 2025-249B ● Active
CONNECTING… GEO · NORAD 66311
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Altitude (km)
Speed (km/s)
Latitude
Longitude
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🛰️ Orbital Parameters
Perigee
35780 km
Apogee
35794 km
Inclination
0.0°
Period
1436.1 min
Mean Motion
1.00271257 rev/day
TLE Epoch
2026-06-19 04:00:00 UTC
📐 Computed Orbital Characteristics
Avg. Altitude35,787 km
Orbital Velocity11,070 km/h
Velocity3.07 km/s
Orbital Period~24 hours (geosynchronous)
Orbits / Day1.00
Eccentricity0.0002
Semi-Major Axis42,158 km
Est. Orbital LifetimePermanent — geostationary orbit, no atmospheric drag
🚀 Launch & Identity
Country / Operator
🇮🇳 India
Launch Date
2025-11-02
Launch Site
SRI
Int'l Designator
2025-249B
Object Type
Payload
RCS Size
Unknown
📖 About This Object
CMS 03 is an active satellite operated by India, launched on 2025-11-02 from SRI. As a relatively recent addition to the catalogue, its orbital elements are well-characterised. It orbits in Geostationary Orbit (GEO) at altitudes between 35,780 km and 35,794 km with an inclination of 0.0°. 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 CMS 03 in real time using the latest two-line element set (TLE) data, providing live position, altitude, speed and orbital path updated continuously.
🌍 Orbit Context
CMS 03 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. Within ±50 km of CMS 03’s average altitude, there are currently 713 active payloads and 58 tracked debris or rocket body fragments — notable neighbours include ASTRA 1N, GOES 16, TDRS 13. India operates approximately 108 active satellites in total, of which 36 share a similar altitude band with CMS 03.
❓ Frequently Asked Questions
CMS 03 orbits at approximately 35,787 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. Learn more about geostationary orbits.
CMS 03 is operated by India. It is catalogued by the U.S. Space Surveillance Network under NORAD ID 66311. You can track CMS 03 in real time on Orbital Radar’s live tracker or browse all operators in the operator directory.
CMS 03 was launched on 2025-11-02 from SRI. View the full satellite launch log.
Yes — Orbital Radar tracks CMS 03 (NORAD ID 66311) 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. You can also browse the satellite directory to find other tracked objects.
CMS 03 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.