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GALILEO 7 (263)

NORAD 40544 Payload MEO 2015-017A ● Active
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Altitude (km)
Speed (km/s)
Latitude
Longitude
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🛰️ Orbital Parameters
Perigee
23216 km
Apogee
23228 km
Inclination
56.8°
Period
844.7 min
Mean Motion
1.70476090 rev/day
TLE Epoch
2026-06-17 19:00:00 UTC
📐 Computed Orbital Characteristics
Avg. Altitude23,222 km
Orbital Velocity13,212 km/h
Velocity3.67 km/s
Orbital Period14 hours 5 minutes
Orbits / Day1.70
Eccentricity0.0002
Semi-Major Axis29,593 km
Est. Orbital LifetimeEffectively permanent — above atmospheric drag
🚀 Launch & Identity
Country / Operator
European Space Agency (ESA) (ESA (European Space Agency))
Launch Date
2015-03-27
Launch Site
Guiana Space Centre, Kourou
Int'l Designator
2015-017A
Object Type
Payload
RCS Size
Large (>1 m²)
🔗 Constellation / Groups
galileo
📖 About This Object
GALILEO 7 (263) is an active satellite operated by European Space Agency (ESA) (ESA (European Space Agency)), launched on 2015-03-27 from Guiana Space Centre, Kourou. After 11 years in orbit, it continues to be tracked by global surveillance networks. It orbits in Medium Earth Orbit (MEO) at altitudes between 23,216 km and 23,228 km with an inclination of 56.8°. It travels at approximately 13,212 km/h (3.67 km/s), completing one full orbit every 14 hours 5 minutes — that’s roughly 1.70 orbits per day. It is part of the Galileo constellation group. Orbital Radar tracks GALILEO 7 (263) in real time using the latest two-line element set (TLE) data, providing live position, altitude, speed and orbital path updated continuously.
🌍 Orbit Context
GALILEO 7 (263) orbits at an average altitude of 23,222 km in Medium Earth Orbit, the region between LEO and GEO (2,000–35,786 km). MEO’s higher altitude gives each satellite a much larger ground footprint than LEO, meaning fewer spacecraft are needed for global coverage — but signal latency is higher and radiation from the Van Allen belts is a significant design constraint. Within ±50 km of GALILEO 7 (263)’s average altitude, there are currently 30 active payloads and 3 tracked debris or rocket body fragments — notable neighbours include GALILEO-PFM, GALILEO-FM2, GALILEO-FM3. This is a relatively sparse altitude band, containing less than 1% of all active satellites. With an inclination of 56.8°, GALILEO 7 (263) passes over latitudes between 56.8°N and 56.8°S, covering most populated land masses in both hemispheres. This mid-inclination band balances global coverage with efficient launch energy requirements. ESA (European Space Agency) operates approximately 93 active satellites in total, of which 30 share a similar altitude band with GALILEO 7 (263).
🔗 Galileo Navigation Constellation

This satellite is part of Galileo, the European Union's global navigation satellite system. Galileo provides high-accuracy positioning independent of GPS, GLONASS and BeiDou. The constellation operates at approximately 23,222 km altitude in three orbital planes with an inclination of 56°. Galileo offers multiple services including the Open Service (free, metre-level accuracy), High Accuracy Service (centimetre-level) and the Search and Rescue return-link service.

❓ Frequently Asked Questions
GALILEO 7 (263) orbits in Medium Earth Orbit (MEO) at altitudes between 23,216 km (perigee) and 23,228 km (apogee), with an average altitude of approximately 23,222 km. It completes one orbit every 14 hours 5 minutes, travelling at approximately 13,212 km/h (8,210 mph).
GALILEO 7 (263) is operated by European Space Agency (ESA) (ESA (European Space Agency)). It is catalogued by the U.S. Space Surveillance Network under NORAD ID 40544. You can track GALILEO 7 (263) in real time on Orbital Radar’s live tracker or browse all operators in the operator directory.
GALILEO 7 (263) was launched on 2015-03-27 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. View the full satellite launch log.
Yes — Orbital Radar tracks GALILEO 7 (263) (NORAD ID 40544) 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.
GALILEO 7 (263) travels at approximately 13,212 km/h (8,210 mph) — roughly 3.67 km/s. It completes 1.70 orbits per day, meaning the crew or instruments aboard (if any) would experience approximately 3 sunrises and sunsets every 24 hours.
GALILEO 7 (263) is a member of the Galileo constellation. Satellites in this group work together to provide coordinated coverage, typically in similar orbital planes at comparable altitudes. You can view all Galileo satellites on Orbital Radar’s live tracker.