Key statistics
Satellite VANGUARD DEB at a glance.
Uptime
24247
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: 115.876 minutes
Inclination: 32.8588 deg
SMA: 7873.289 km
Apoapsis: 2458.674 km
Periapsis: 531.633 km
RAAN: 83.916 deg
Eccentricy: 0.1223784
Argument of periapsis: 105.1834 deg
Mean anomaly: 4.4665 deg
Mean motion: 12.42706267 rev/day
Mean motion (dot): 0.00004664 rev/day2
B* drag term: 0.0018504 1/REarth
Two-line elements (TLE)
Creation date: July 4, 2025, 6:39 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 4, 2025, 12:02 a.m. UTC
TLE line 0: 0 VANGUARD DEB
TLE line 1: 1 61446U 59001E 25185.00207203 .00004664 00000-0 18504-2 0 9991
TLE line 2: 2 61446 32.8588 83.9160 1223784 105.1834 4.4665 12.42706267941537
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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