|
gptkbp:instance_of
|
gptkb:spacecraft
|
|
gptkbp:analysis
|
ongoing
graphs and charts
|
|
gptkbp:collaboration
|
yes
|
|
gptkbp:collaborator
|
gptkb:University_of_California,_Berkeley
|
|
gptkbp:collection
|
magnetospheric data
|
|
gptkbp:communication
|
NASA ground stations
|
|
gptkbp:community
|
space scientists
|
|
gptkbp:data_transmission
|
radio signals
|
|
gptkbp:data_type
|
digital
magnetic field measurements
|
|
gptkbp:data_usage
|
research papers
space weather research
|
|
gptkbp:design
|
gptkb:NASA's_Explorer_program
|
|
gptkbp:funding
|
government grants
NASA budget
|
|
gptkbp:home_ground
|
gptkb:NASA_Goddard_Space_Flight_Center
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Explorer 28
|
|
gptkbp:impact
|
improved understanding of space weather
enhanced models of Earth's magnetosphere
|
|
gptkbp:instruments
|
fluxgate magnetometer
|
|
gptkbp:launch_date
|
1981-01-12
|
|
gptkbp:launch_mass
|
approximately 100 kg
|
|
gptkbp:launch_site
|
gptkb:Cape_Canaveral_Space_Force_Station
|
|
gptkbp:launch_vehicle
|
Delta 2910
|
|
gptkbp:launch_window
|
1979-1981
|
|
gptkbp:legacy
|
contributed to magnetospheric studies
|
|
gptkbp:mission
|
1983-01-01
Earth science
completed
scientific advancements
technical issues
NASA archives
decommissioned
successful data collection
|
|
gptkbp:mission_duration
|
approximately 2 years
|
|
gptkbp:mission_type
|
gptkb:scientific_research
|
|
gptkbp:objective
|
study the Earth's magnetosphere
|
|
gptkbp:operator
|
gptkb:NASA
|
|
gptkbp:orbit_type
|
polar orbit
|
|
gptkbp:orbital_inclination
|
90 degrees
|
|
gptkbp:orbital_period
|
approximately 90 minutes
eventual re-entry
|
|
gptkbp:partnerships
|
various universities
|
|
gptkbp:power_source
|
solar panels
|
|
gptkbp:primary_mission
|
gptkb:Explorer_29
|
|
gptkbp:product_quality
|
high
|
|
gptkbp:provides_information_on
|
collaborative projects
|
|
gptkbp:publications
|
numerous
|
|
gptkbp:released
|
public access
|
|
gptkbp:scientific_goals
|
measure magnetic fields
|
|
gptkbp:scientific_instruments
|
particle detectors
|
|
gptkbp:spacecraft
|
gptkb:satellite
|
|
gptkbp:storage
|
onboard memory
|
|
gptkbp:successor
|
gptkb:Explorer_29
|
|
gptkbp:bfsParent
|
gptkb:Explorer_1
|
|
gptkbp:bfsLayer
|
4
|