Space explorer tracker
by Luca Cassioli 2018-2019
V. 4.1
Created with
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Manual dates (yyyy-mm-dd HH:MM):
Start:     End:     Time step (*)    
Available dates range: (calculating...)
(*) use "10m" for 10 minute, "1h" for 1 hour, "1d" for 1 day,...

List valid NASA Horizons code for bodies and spacecrafts: LINK

Please specify in URL:
body: NASA Horizons code for main body
orbiter: NASA Horizons code for orbiter
Show orbits for Insight around Mars:

List of codes: link
NASA Horizons web interface: link

Horizons parameters:
1: X, Y, Z
2: X, Y, Z, VX, VY, VZ
3: X, Y, Z, VX, VY, VZ, LT, RG, RR
4: X, Y, Z, LT, RG, RR
5: VX, VY, VZ
6: LT, RG, RR

X X-component of position vector (km)
Y Y-component of position vector (km)
Z Z-component of position vector (km) VX X-component of velocity vector (km/sec)
VY Y-component of velocity vector (km/sec)
VZ Z-component of velocity vector (km/sec)
LT One-way down-leg Newtonian light-time (sec)
RG Range; distance from coordinate center (km)
RR Range-rate; radial velocity wrt coord. center (km/sec)