|
gptkbp:instance_of
|
gptkb:satellite
|
|
gptkbp:bfsLayer
|
4
|
|
gptkbp:bfsParent
|
gptkb:Rolex_Explorer_I
gptkb:Explorer_II
|
|
gptkbp:collaborations
|
gptkb:Jet_Propulsion_Laboratory
gptkb:none
gptkb:NASA
gptkb:battle
International scientific community
|
|
gptkbp:collection
|
1958-1970
cosmic ray data
|
|
gptkbp:communication
|
gptkb:aircraft
radio signals
telemetry
|
|
gptkbp:community
|
NASA scientists
|
|
gptkbp:contribution
|
understanding of Earth's magnetosphere
discovery of radiation belts
discovered the Earth's radiation belts
|
|
gptkbp:controls
|
spin stabilization
|
|
gptkbp:country
|
gptkb:United_States
|
|
gptkbp:data_type
|
cosmic rays
scientific data
|
|
gptkbp:design
|
gptkb:NASA
1 year
2 years
cylindrical
|
|
gptkbp:diameter
|
15.2 cm
15.24 cm
|
|
gptkbp:discovered_by
|
gptkb:Van_Allen_radiation_belts
|
|
gptkbp:duration
|
12 years
approximately 12 years
|
|
gptkbp:elevation
|
varied
low Earth orbit
|
|
gptkbp:events
|
successful
|
|
gptkbp:frequency
|
108.0 M Hz
|
|
gptkbp:has_programs
|
Explorer program
|
|
gptkbp:historical_significance
|
first U. S. satellite to orbit Earth
first successful US satellite
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Explorer I
|
|
gptkbp:impact
|
gptkb:significant
space science
increased interest in space exploration
significant in space science
understanding of radiation belts
increased understanding of Earth's radiation belts
|
|
gptkbp:influenced
|
space exploration policy
|
|
gptkbp:influenced_by
|
gptkb:Vanguard_1
gptkb:Sputnik_1
Explorer 2
|
|
gptkbp:inspired
|
future satellite designs
|
|
gptkbp:instrument
|
gptkb:musician
gptkb:aircraft
gptkb:Database_Management_System
gptkb:Mobile_Suit
gptkb:spacecraft
gptkb:Company
gptkb:software
gptkb:video_game
gptkb:military_base
gptkb:computer
gptkb:Telecommunications_company
gptkb:satellite
gptkb:railway_station
Geiger counter
data analysis tools
electronic circuits
data management framework
data validation framework
power system
pressure sensor
thermal control system
data archiving system
data processing framework
micrometeorite detector
data collection system
data recorder
data quality framework
data analysis framework
data integration system
data analysis system
signal processing system
data monitoring system
data quality system
data reporting system
data retrieval system
data sharing system
data synchronization system
data validation system
data visualization system
science payload
data sharing framework
data dissemination system
data control framework
data archiving framework
data calibration framework
data calibration system
data control system
data dissemination framework
data interpretation framework
data interpretation system
data monitoring framework
data reporting framework
data synchronization framework
|
|
gptkbp:is_aplace_for
|
2,500 km
2460 km
358 km
2580 km
|
|
gptkbp:is_explored_in
|
paved the way for future missions
|
|
gptkbp:launch_date
|
January 31, 1958
10:48 PMEST
|
|
gptkbp:launch_site
|
gptkb:cape
|
|
gptkbp:launch_vehicle
|
gptkb:Juno_I
18.5 kg
|
|
gptkbp:launched
|
gptkb:1958
gptkb:United_States
|
|
gptkbp:legacy
|
influenced future missions
paved the way for future space missions
paved way for future missions
influenced space science
|
|
gptkbp:length
|
80 cm
80.0 cm
|
|
gptkbp:mass
|
18.5 kg
|
|
gptkbp:mission
|
gptkb:Explorer_III
gptkb:Explorer_IV
gptkb:Explorer_IX
gptkb:Explorer_LI
gptkb:Explorer_LII
gptkb:Explorer_LIII
gptkb:Explorer_LIV
gptkb:Explorer_LIX
gptkb:Explorer_LV
gptkb:Explorer_LVI
gptkb:Explorer_LVII
gptkb:Explorer_LVIII
gptkb:Explorer_LX
gptkb:Explorer_LXII
gptkb:Explorer_LXIII
gptkb:Explorer_LXIV
gptkb:Explorer_LXIX
gptkb:Explorer_LXV
gptkb:Explorer_LXVI
gptkb:Explorer_LXVII
gptkb:Explorer_LXVIII
gptkb:Explorer_LXX
gptkb:Explorer_LXXI
gptkb:Explorer_LXXII
gptkb:Explorer_LXXIX
gptkb:Explorer_LXXVI
gptkb:Explorer_LXXVIII
gptkb:Explorer_LXXXI
gptkb:Explorer_LXXXII
gptkb:Explorer_LXXXIII
gptkb:Explorer_LXXXIV
gptkb:Explorer_LXXXIX
gptkb:Explorer_LXXXV
gptkb:Explorer_LXXXVI
gptkb:Explorer_LXXXVII
gptkb:Explorer_LXXXVIII
gptkb:Explorer_V
gptkb:Explorer_VI
gptkb:Explorer_VII
gptkb:Explorer_VIII
gptkb:Explorer_XCI
gptkb:Explorer_XCII
gptkb:Explorer_XCIII
gptkb:Explorer_XCIV
gptkb:Explorer_XCIX
gptkb:Explorer_XCVI
gptkb:Explorer_XI
gptkb:Explorer_XII
gptkb:Explorer_XIII
gptkb:Explorer_XIV
gptkb:Explorer_XIX
gptkb:Explorer_XLI
gptkb:Explorer_XLII
gptkb:Explorer_XLIX
gptkb:Explorer_XLVIII
gptkb:Explorer_XV
gptkb:Explorer_XVI
gptkb:Explorer_XVII
gptkb:Explorer_XXXVI
gptkb:1960
gptkb:1970
gptkb:Explorer_11
gptkb:Explorer_19
gptkb:Explorer_18
gptkb:Research_Institute
gptkb:Explorer_10
gptkb:Explorer_12
gptkb:Explorer_13
gptkb:Explorer_14
gptkb:Explorer_15
gptkb:Explorer_16
gptkb:Explorer_17
gptkb:Explorer_20
gptkb:Explorer_21
gptkb:Explorer_22
gptkb:Explorer_24
gptkb:Explorer_25
gptkb:Explorer_26
gptkb:Explorer_27
gptkb:Explorer_28
gptkb:Explorer_29
gptkb:Explorer_30
gptkb:Explorer_31
gptkb:Explorer_32
gptkb:Explorer_33
gptkb:Explorer_34
gptkb:Explorer_35
gptkb:Explorer_36
gptkb:Explorer_37
gptkb:Explorer_38
gptkb:Explorer_39
gptkb:Explorer_4
gptkb:Explorer_40
gptkb:Explorer_41
gptkb:Explorer_42
gptkb:Explorer_43
gptkb:Explorer_44
gptkb:Explorer_45
gptkb:Explorer_46
gptkb:Explorer_48
gptkb:Explorer_49
gptkb:Explorer_5
gptkb:Explorer_50
gptkb:Explorer_6
gptkb:Explorer_7
gptkb:Explorer_8
gptkb:Explorer_9
Elliptical
low Earth orbit
scientific
elliptical
April 1970
Explorer 47
Explorer program
Explorer 2
study cosmic rays
August 1958
decayed into atmosphere
Explorer 23
Explorer C
Explorer L
Explorer LXI
Explorer LXXIII
Explorer LXXIV
Explorer LXXV
Explorer LXXVII
Explorer LXXX
Explorer X
Explorer XC
Explorer XCV
Explorer XCVII
Explorer XCVIII
Explorer XL
Explorer XLIII
Explorer XLIV
Explorer XLV
Explorer XLVI
Explorer XLVII
Explorer XVIII
Explorer XX
Explorer XXI
Explorer XXII
Explorer XXIII
Explorer XXIV
Explorer XXIX
Explorer XXV
Explorer XXVI
Explorer XXVII
Explorer XXVIII
Explorer XXX
Explorer XXXI
Explorer XXXII
Explorer XXXIII
Explorer XXXIV
Explorer XXXIX
Explorer XXXV
Explorer XXXVII
Explorer XXXVIII
to detect radiation belts
|
|
gptkbp:mission_duration
|
12 years
1958-1970
approximately 12 years
|
|
gptkbp:notable_achievement
|
first US satellite in orbit
|
|
gptkbp:objective
|
measure cosmic rays
study cosmic rays
|
|
gptkbp:operated_by
|
gptkb:NASA
|
|
gptkbp:operational_status
|
decommissioned
|
|
gptkbp:operator
|
gptkb:NASA
|
|
gptkbp:orbital_inclination
|
30 degrees
30.0 degrees
|
|
gptkbp:orbital_period
|
gptkb:battle
gradual
eventual reentry
114.8 minutes
due to atmospheric drag
gradual due to atmospheric drag
|
|
gptkbp:power_output
|
solar cells
|
|
gptkbp:predecessor
|
Explorer 2
|
|
gptkbp:propulsion
|
gptkb:satellite
cylindrical shape
|
|
gptkbp:provides_information_on
|
gptkb:NASA
gptkb:battle
scientific data
cosmic ray data
|
|
gptkbp:purpose
|
Earth science
|
|
gptkbp:recognizes
|
gptkb:1958_Alpha_1
|
|
gptkbp:release_region
|
gptkb:United_States
|
|
gptkbp:released
|
gptkb:1958
|
|
gptkbp:restoration
|
gptkb:none
not recovered
|
|
gptkbp:services
|
first successful U. S. satellite
first US satellite
first US satellite to reach orbit
|
|
gptkbp:significance
|
first successful U. S. satellite
radiation environment of Earth
first successful US satellite
first US satellite
|
|
gptkbp:speed
|
gptkb:1970
gptkb:battle
March 31, 1970
reentered Earth's atmosphere
not reentered
|
|
gptkbp:sponsor
|
gptkb:National_Aeronautics_and_Space_Administration_(NASA)
|
|
gptkbp:status
|
decommissioned
reentered atmosphere
re-entered Earth's atmosphere
|
|
gptkbp:successor
|
gptkb:Explorer_II
gptkb:Explorer_3
|
|
gptkbp:track
|
Doppler effect
|