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Christopher Reis
Satellite
Commits
97a6ef0e
Commit
97a6ef0e
authored
Oct 17, 2015
by
Christopher Reis
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Deleted satOrbit
Orbit propagation has been rolled into SatelliteTrack
parent
01b706ed
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satOrbit.java
src/satellite/satOrbit.java
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src/satellite/satOrbit.java
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01b706ed
package
satellite
;
import
predict4java.*
;
import
java.util.ArrayList
;
import
java.util.Date
;
import
satellite.satPosition
;
public
class
satOrbit
{
public
static
ArrayList
<
satPosition
>
getDayOrbit
(
Satellite
trackedSat
){
ArrayList
<
satPosition
>
dayOrbit
=
new
ArrayList
<
satPosition
>();
Date
now
=
new
Date
();
long
timeNow
=
now
.
getTime
();
for
(
int
i
=
0
;
i
<
8640
;
i
++){
//10s of seconds in a day
Date
increment
=
new
Date
(
timeNow
+
i
*
10000
);
trackedSat
.
calculateSatelliteVectors
(
increment
);
dayOrbit
.
add
(
new
satPosition
(
trackedSat
.
calculateSatelliteGroundTrack
().
getLatitude
(),
trackedSat
.
calculateSatelliteGroundTrack
().
getLongitude
(),
trackedSat
.
calculateSatelliteGroundTrack
().
getAltitude
(),
trackedSat
.
calculateSatelliteGroundTrack
().
getTime
()));
}
System
.
out
.
println
(
"Calculated 24hr Orbit for: "
+
trackedSat
.
getTLE
().
getName
());
return
dayOrbit
;
}
public
static
ArrayList
<
satPosition
>
getSingleOrbit
(
Satellite
trackedSat
){
//Array to store orbit
ArrayList
<
satPosition
>
singleOrbit
=
new
ArrayList
<
satPosition
>();
Date
now
=
new
Date
();
long
timeNow
=
now
.
getTime
();
trackedSat
.
calculateSatelliteVectors
(
now
);
//Iterate through one orbit
double
meanMotion
=
trackedSat
.
getTLE
().
getMeanmo
();
double
period
=
8460
/
meanMotion
;
for
(
int
i
=
0
;
i
<
period
;
i
++){
//Seconds in a day
Date
increment
=
new
Date
(
timeNow
+
i
*
10000
);
trackedSat
.
calculateSatelliteVectors
(
increment
);
singleOrbit
.
add
(
new
satPosition
(
trackedSat
.
calculateSatelliteGroundTrack
().
getLatitude
(),
trackedSat
.
calculateSatelliteGroundTrack
().
getLongitude
(),
trackedSat
.
calculateSatelliteGroundTrack
().
getAltitude
(),
trackedSat
.
calculateSatelliteGroundTrack
().
getTime
()));
}
System
.
out
.
println
(
"Calculated Single Orbit for: "
+
trackedSat
.
getTLE
().
getName
());
return
singleOrbit
;
}
public
static
ArrayList
<
satPosition
>
getDoubleOrbit
(
Satellite
trackedSat
){
//Array to store orbit
ArrayList
<
satPosition
>
doubleOrbit
=
new
ArrayList
<
satPosition
>();
Date
now
=
new
Date
();
long
timeNow
=
now
.
getTime
();
trackedSat
.
calculateSatelliteVectors
(
now
);
//Iterate through two orbits
double
meanMotion
=
trackedSat
.
getTLE
().
getMeanmo
();
double
period
=
8460
/
meanMotion
;
for
(
int
i
=
0
;
i
<
period
*
2
;
i
++){
//Seconds in a day
Date
increment
=
new
Date
(
timeNow
+
i
*
10000
);
trackedSat
.
calculateSatelliteVectors
(
increment
);
doubleOrbit
.
add
(
new
satPosition
(
trackedSat
.
calculateSatelliteGroundTrack
().
getLatitude
(),
trackedSat
.
calculateSatelliteGroundTrack
().
getLongitude
(),
trackedSat
.
calculateSatelliteGroundTrack
().
getAltitude
(),
trackedSat
.
calculateSatelliteGroundTrack
().
getTime
()));
}
System
.
out
.
println
(
"Calculated Double Orbit for: "
+
trackedSat
.
getTLE
().
getName
());
return
doubleOrbit
;
}
public
static
ArrayList
<
satPosition
>
getTripleOrbit
(
Satellite
trackedSat
){
//Array to store orbit
ArrayList
<
satPosition
>
tripleOrbit
=
new
ArrayList
<
satPosition
>();
Date
now
=
new
Date
();
long
timeNow
=
now
.
getTime
();
trackedSat
.
calculateSatelliteVectors
(
now
);
//Iterate through two orbits
double
meanMotion
=
trackedSat
.
getTLE
().
getMeanmo
();
double
period
=
8460
/
meanMotion
;
for
(
int
i
=
0
;
i
<
period
*
3
;
i
++){
//Seconds in a day
Date
increment
=
new
Date
(
timeNow
+
i
*
10000
);
trackedSat
.
calculateSatelliteVectors
(
increment
);
tripleOrbit
.
add
(
new
satPosition
(
trackedSat
.
calculateSatelliteGroundTrack
().
getLatitude
(),
trackedSat
.
calculateSatelliteGroundTrack
().
getLongitude
(),
trackedSat
.
calculateSatelliteGroundTrack
().
getAltitude
(),
trackedSat
.
calculateSatelliteGroundTrack
().
getTime
()));
}
System
.
out
.
println
(
"Calculated Triple Orbit for: "
+
trackedSat
.
getTLE
().
getName
());
return
tripleOrbit
;
}
}
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