Improving the Accuracy of the Martian Ephemeris Short-Term Prediction

Table 4

Factors affecting the short-term prediction of the Martian ephemeris.

Factors		Scheme
Data arcs(days)		0/30/60/90/120/150/180/210
Observing strategy	Stations; Frequency	KS, JMS and ZP; JMS and ZP; Every day/Every 5 days
Range bias		5 m/ 0 m
Orbit accuracy of a probe		10 m/ 100 m
Orbit altitude of a probe		200 km/ 5000 km
Orbit inclination of a probe		0°/30°/60°/90°