Statements (83)
Predicate | Object |
---|---|
gptkbp:instance_of |
gptkb:satellite
|
gptkbp:circular_orbit |
not a circular orbit
|
gptkbp:collection |
temperature data
orbital parameters radiation measurements collected data on atmospheric density collected data on solar radiation collected data on temperature variations |
gptkbp:contact |
gptkb:1964
|
gptkbp:contribution |
data on cosmic rays
data on Earth's atmosphere helped in understanding satellite orbits provided data on Earth's shape data on solar radiation |
gptkbp:country |
gptkb:United_States
|
gptkbp:country_of_origin |
gptkb:United_States
|
gptkbp:cultural_impact |
symbol of the space race
|
gptkbp:cultural_significance |
first satellite to be powered by solar energy
|
gptkbp:current_orbit |
geocentric
|
gptkbp:data_transmission |
radio signals
|
gptkbp:decayed |
1970s
|
gptkbp:design |
gptkb:NASA
spherical |
gptkbp:diameter |
16.5 cm
|
gptkbp:dimensions |
16.5 cm diameter
|
gptkbp:discovery |
Earth's shape and size
|
gptkbp:eccentricity |
0.9999
|
gptkbp:historical_significance |
first successful US satellite
|
https://www.w3.org/2000/01/rdf-schema#label |
Vanguard 1
|
gptkbp:impact |
Earth's atmosphere
influenced satellite technology |
gptkbp:influenced |
future satellite designs
|
gptkbp:inspiration |
inspired the design of future satellites
|
gptkbp:is_aplace_for |
3,969 km
3,960 km |
gptkbp:launch_context |
part of the International Geophysical Year
|
gptkbp:launch_date |
March 17, 1958
|
gptkbp:launch_event |
successful
|
gptkbp:launch_site |
gptkb:Cape_Canaveral
|
gptkbp:launch_vehicle |
gptkb:Vanguard_rocket
gptkb:Juno_I |
gptkbp:launched |
gptkb:United_States
|
gptkbp:legacy |
paved the way for future satellites
pioneering satellite technology |
gptkbp:manufacturer |
gptkb:NASA
|
gptkbp:mass |
1.47 kg
|
gptkbp:mission |
gptkb:1964
|
gptkbp:mission_duration |
approximately 6 years
|
gptkbp:mission_type |
gptkb:Earth_observation
scientific |
gptkbp:notable_achievement |
gptkb:first_solar-powered_satellite
longest-lasting artificial satellite at the time |
gptkbp:operational_use |
6 years
|
gptkbp:orbital_altitude |
elliptical
|
gptkbp:orbital_decay_rate |
slow
|
gptkbp:orbital_inclination |
34.3 degrees
34.2 degrees |
gptkbp:orbital_period |
yes
due to atmospheric drag 132.9 minutes 134.5 minutes due to gravitational perturbations about 132.9 minutes |
gptkbp:orbital_tracking |
still tracked by amateur radio operators
|
gptkbp:perigee |
650 km
654 km |
gptkbp:public_interest |
sparked interest in space exploration
|
gptkbp:reign |
over 58,000
2 hours 14 minutes |
gptkbp:scientific_instruments |
gptkb:radio_station
gptkb:magnetometer solar cells |
gptkbp:service |
first object to be powered by solar energy in orbit
|
gptkbp:significance |
gptkb:first_solar-powered_satellite
|
gptkbp:speed |
not applicable
not yet reentered |
gptkbp:status |
inactive
remains in orbit |
gptkbp:successor |
gptkb:Explorer_1
|
gptkbp:track |
tracked by ground stations
|
gptkbp:weight |
1.47 kg
|
gptkbp:bfsParent |
gptkb:Wallops_Flight_Facility
|
gptkbp:bfsLayer |
4
|