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XM-4, 29520

Orbit data source: Space-Track

XM-4, 29520 is a payload satellite owned by XM Radio (US) in GEO that was launched on Mon, 30 Oct 2006 UTC via a ZENIT-3SL launch vehicle from the Sea Launch (SEAL). Payloads include a variety of satellites, spacecraft, and rockets equipped with specific instruments for various scientific and technological missions. These include communications satellites like Starlink; space stations such as the ISS; scientific satellites like the Hubble; Earth observation satellites from companies like Planet Labs, Umbra, and HawkEye 360; GPS; miniature CubeSats for education and research; and military/defense satellites.

Not visible in the next 10 days

Identifier	29520, 2006-049A
Orbit	GEO
Last TLE update	12 hours ago
Origin	XM Radio (US)
Manufacturer	Boeing/ES
Mission	Non-operational Commercial Communications
Bus & Motor	BSS-702HP, R-4D-11-300
Mass	5,193 kg wet, ~2,700 kg dry
Launch date (UTC)	2006-10-30 (18 years ago)
Launch vehicle	ZENIT-3SL
Launch site	Sea Launch (SEAL)
Object type	Payload Rocket body Debris
Shape & HBR	Box + 2 Pan, 40.4 m
Radar Cross Section	61.334 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 12 hours ago

0 XM-4
1 29520U 06049A   25071.57595497 -.00000229  00000-0  00000-0 0  9997
2 29520   1.6410  87.1936 0009250 278.8023 182.6526  0.98817365 46784

Epoch: 2025-03-12T13:49Z

Definitive object data (Epoch: 2025-03-12T13:49:22.509Z)

Latitude	1.62222°
Longitude	170.86977°
Altitude	36,238.123 km
Speed	3.057 km/s
True Right ascension	12h 34m 42s
True Declination	1° 37' 14"
Sunlit	Object was in daylight at TLE epoch

Visualization TLE readout

Latitude	-1.64912°
Longitude	-17.37567°
Altitude	36,159.636 km
Speed	3.063 km/s
Apparent Right ascension	23h 35m 18s
Apparent Declination	-7° 05' 56"
Sunlit	Object is in daylight

Visualization observer readout

Local Sidereal Time	05:47:55
Azimuth	266.55° W
Elevation	-6.961°
Doppler factor	1

Orbital elements

Apogee altitude	36,239.759 km
Perigee altitude	36,160.989 km
Semi-major axis	42,578.511 km
Eccentricity	0.000925
Inclination	1.641°
RAAN	87.1936°
Arg. of periapsis	278.8023°
True anomaly	182.6477°
Mean anomaly	182.6526°
Eccentric anomaly	182.65015°
Mean motion	0.24703 °/min
BSTAR	Unknown
Orbital period	1457.29 mins