Key statistics
Satellite VANGUARD DEB at a glance.
Uptime
24308
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: 115.855 minutes
Inclination: 32.8573 deg
SMA: 7872.334 km
Apoapsis: 2457.201 km
Periapsis: 531.196 km
RAAN: 183.4412 deg
Eccentricy: 0.12232746
Argument of periapsis: 136.8469 deg
Mean anomaly: 311.5185 deg
Mean motion: 12.42932404 rev/day
Mean motion (dot): 0.00003323 rev/day2
B* drag term: 0.0013093844 1/REarth
Two-line elements (TLE)
Creation date: Sept. 5, 2025, 10:27 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 4, 2025, 11:48 p.m. UTC
TLE line 0: 0 VANGUARD DEB
TLE line 1: 1 61446U 59001E 25247.99205439 .00003323 00000-0 13094-2 0 9997
TLE line 2: 2 61446 32.8573 183.4412 1223275 136.8469 311.5185 12.42932404949370
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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