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You are free:

• to share – to copy, distribute and transmit the work
• to remix – to adapt the work

Under the following conditions:

• attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
• share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.

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POV-Ray Scene description

POV-ray image description:

/*
--------------------------
Parabolic Orbit Animation
--------------------------
Created 7 Mar. 2006
*/
#include "colors.inc"

//Orbit Definition
#declare OrbitRp=6.356*1.8;

//Scene Constants
#declare EarthRadius=6.356;
#declare SatRadius=1.2;
#declare OrbitWidth=0.5;
#declare LineWidth=0.5/3;
#declare Crosslength=1.5;
#declare Textscale=9;
#declare TextColor=rgb<0,0,0>;
#declare xinit=-100;

//Variables
#declare Minit=2*OrbitRp*sqrt(2*OrbitRp-xinit)+pow(sqrt(2*OrbitRp-xinit),3)/3;
#declare M=Minit-2*clock*Minit;
#declare PI=3.14159265359;

//Anomaly Determination - Solves the equation M=2*OrbitRp*D+D^3/3
#declare p=6*OrbitRp;
#declare q=-3*M;
#declare A1=q/2+sqrt(pow(q,2)/4+pow(p,3)/27);
#if (A1>0)
    #declare U=pow(A1,1/3);
#else
    #declare U=-pow(-A1,1/3);
#end
#declare Anomaly=p/(3*U)-U;

//General settings
global_settings{
    ambient_light 1
}

light_source { <-50, 0, -70> color White }

camera {
  orthographic
  location <0, 0, -10>
  look_at  <0, 0,  0>
  up <0,100,0>
  right <100,0,0>
}

plane { <0, 0, 1>, 8
    pigment {White}
    finish{ambient 1 brilliance 0}
}


//Earth
sphere {
    <0, 0, 0>, EarthRadius
    pigment { Blue }
    finish{ ambient 0.3 brilliance 1.2 diffuse 0.8}
}


//Orbit
intersection{
    box{
        <-100,-100,-OrbitWidth>, <100,100,OrbitWidth> 
    }
    quadric{
        <0,1/(4*OrbitRp),0>,<0,0,0>,<-1,0,0>,-OrbitRp
        translate -x*OrbitWidth/2
    }
    quadric{
        <0,-1/(4*OrbitRp),0>,<0,0,0>,<1,0,0>,OrbitRp
        translate x*OrbitWidth/2
    }
    pigment{ rgb<0.8,0,0> }
    finish{ ambient 1 brilliance 0 diffuse 0}
    rotate 2.2*y
    no_shadow
}


//Satellite
sphere {
    <0, 0, -10>, SatRadius
    pigment { SeaGreen }
    finish{ ambient 1 brilliance 0 diffuse 0}
    no_shadow
    translate <-(OrbitRp-Anomaly*Anomaly/2),sqrt(2*OrbitRp)*Anomaly,0>
}

//Lines
#declare crossBars=
object{
    union{
        box{
            <-LineWidth,-Crosslength,-LineWidth-7>, <LineWidth,Crosslength,LineWidth-7> 
        }
        box{
            <-Crosslength,-LineWidth,-LineWidth-7>, <Crosslength,LineWidth,LineWidth-7>
        }
        rotate z*45
        pigment{ TextColor }
        finish{ ambient 1 brilliance 0 diffuse 0}
        no_shadow
    }
}

box{
    <-OrbitRp,-LineWidth,-LineWidth-7>, <0,LineWidth,LineWidth-7> 
    pigment{ TextColor }
    finish{ ambient 1 brilliance 0 diffuse 0}
    no_shadow
}


object{
    crossBars
}

object{
    crossBars
    translate -x*OrbitRp
}


//Text
union{
    text {
        ttf "timesi.ttf" "r" 1, 0
    }
    text {
        ttf "timesi.ttf" "p" 1, 0
        scale 0.5
        translate 0.2*x
    }
    pigment{ TextColor }
    finish{ ambient 1 brilliance 0 diffuse 0}
    scale Textscale
    translate <-(EarthRadius+0.3*(OrbitRp-EarthRadius))-Textscale/4,Textscale/4,-7>
    no_shadow
}