SGPdotNET.Observation

`GroundStation`

A representation of a ground station that can observe satellites

public class SGPdotNET.Observation.GroundStation

Properties

Type	Name	Summary
`Coordinate`	Location	The location of the ground station

Methods

Type	Name	Summary
`Boolean`	Equals(`GroundStation` other)
`Boolean`	Equals(`Object` obj)
`Int32`	GetHashCode()
`Boolean`	IsVisible(`Coordinate` pos, `Angle` minElevation)	Tests whether or not a satellite is above a specified elevation
`List<SatelliteVisibilityPeriod>`	Observe(`Satellite` satellite, `DateTime` start, `DateTime` end, `TimeSpan` deltaTime, `Boolean` includeIntrerrupted = False)	Creates a list of all of the predicted observations within the specified time period, such that an AOS for the satellite from this ground station is seen at, after, or optionally before (see ``) the start parameter
`TopocentricObservation`	Observe(`Satellite` satellite, `DateTime` time)	Creates a list of all of the predicted observations within the specified time period, such that an AOS for the satellite from this ground station is seen at, after, or optionally before (see ``) the start parameter

Defines a direction of movement relative to a ground station

public enum SGPdotNET.Observation.RelativeDirection
    : Enum, IComparable, IFormattable, IConvertible

Enum

Value	Name	Summary
`0`	Approaching	Moving toward the ground station
`1`	Fixed	Not moving relative to the ground station
`2`	Receding	Moving away from the ground station

A representation of a satellite in orbit

public class SGPdotNET.Observation.Satellite

Properties

Type	Name	Summary
`String`	Name	The name of this satellite
`Orbit`	Orbit	The orbit information of the satellite
`Tle`	Tle	The two-line element representation of the satellite

Methods

Type	Name	Summary
`Boolean`	Equals(`Satellite` other)
`Boolean`	Equals(`Object` obj)
`Int32`	GetHashCode()
`EciCoordinate`	Predict()	Predicts the satellite's real-time location
`EciCoordinate`	Predict(`DateTime` time)	Predicts the satellite's real-time location
`bool`	IsGeostationary(`Angle?` maxInclination, `double` maxEccentricity, `double` maxMeanMotion)	Determines if the satellite is geostationary, based on the given thresholds

Stores a period during which a satellite is visible to a ground station

public class SGPdotNET.Observation.SatelliteVisibilityPeriod

Properties

Type	Name	Summary
`DateTime`	End	The end time of the observation
`Angle`	MaxElevation	The max elevation reached during observation
`Coordinate`	ReferencePosition	The position from which the satellite was observed to generate this observation
`Satellite`	Satellite	The satellite that is being observed
`DateTime`	Start	The start time of the observation

Methods

Type	Name	Summary
`Boolean`	Equals(`SatelliteVisibilityPeriod` other)
`Boolean`	Equals(`Object` obj)
`Int32`	GetHashCode()

Stores a topocentric location (azimuth, elevation, range and range rate).

public class SGPdotNET.Observation.TopocentricObservation

Properties

Type	Name	Summary
`Angle`	Azimuth	Azimuth relative to the observer
`RelativeDirection`	Direction	Direction relative to the observer
`Angle`	Elevation	Elevation relative to the observer
`Double`	Range	Range relative to the observer, in kilometers
`Double`	RangeRate	Range rate relative to the observer, in kilometers/second
`Coordinate`	ReferencePosition	The position from which the satellite was observed to generate this observation
`Double`	SignalDelay	Time for an ideal radio signal to travel the distance between the observer and the satellite, in seconds

Methods

Type	Name	Summary
`Boolean`	Equals(`TopocentricObservation` other)
`Boolean`	Equals(`Object` obj)
`Double`	GetDopplerShift(`Double` inputFrequency)	Predicts the doppler shift of the satellite relative to the observer, in Hz
`Int32`	GetHashCode()
`String`	ToString()