Key statistics
Satellite VANGUARD DEB at a glance.
Uptime
24356
Days in orbit
Revolutions
≈ 12.4
Per day
Orbit
MEO
Medium Earth Orbit
Inclination
32.9
Latest
Satellite identification and parameters
Extended collection of information and parameters for VANGUARD DEB.
Object identification
Identified? True
Debris? True
Object name: VANGUARD DEB
International designator: 1959-001E
Object number (NORAD): 61446
Object ID (CCSDS): 61446
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 115.832 minutes
Inclination: 32.8624 deg
SMA: 7871.305 km
Apoapsis: 2454.986 km
Periapsis: 531.353 km
RAAN: 343.0285 deg
Eccentricy: 0.1221928
Argument of periapsis: 78.2274 deg
Mean anomaly: 30.9162 deg
Mean motion: 12.4317617 rev/day
Mean motion (dot): 0.00000937 rev/day2
B* drag term: 0.00037302 1/REarth
Two-line elements (TLE)
Creation date: Oct. 23, 2025, 10:26 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 23, 2025, 10:31 a.m. UTC
TLE line 0: 0 VANGUARD DEB
TLE line 1: 1 61446U 59001E 25296.43827455 .00000937 00000-0 37302-3 0 9995
TLE line 2: 2 61446 32.8624 343.0285 1221928 78.2274 30.9162 12.43176170955404
Live tracking on map
Real-time ground track for satellite VANGUARD DEB.
Associated space launch
Vanguard II is an Earth orbiting satellite and the first weather satellite. It was designed to measure cloud-cover distribution over the daylight portion of its orbit for a period of 19 days and to provide information on the density of the atmosphere.
VANGUARD DEB was lifted into orbit during the mission ‘Vanguard | Vanguard II’, on board a Vanguard space rocket.
The launch took place on Feb. 17, 1959, 3:55 p.m. from Launch Complex 18A.
For more information about the launch, click the button.
Vanguard | Vanguard II
Agency: N/A
Status: Launch Successful
Launch date: Feb. 17, 1959, 3:55 p.m. UTC
Rocket: Vanguard
Launch pad: Launch Complex 18A
Location: Cape Canaveral SFS, FL, USA
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