"Mars Odyssey" "Sol/Mars"
{
	Class "spacecraft"
	Mesh "marsodyssey.3ds"
	Radius 0.01
	Beginning "2001 10 24"
	#Ending 2047?
	# Orbital elements are only very approximately correct
	# after completion of aerobraking phase.  These were taken
	# from the Mars Odyssey PIP, and only reflect the planned,
	# and not the actual final orbit.  A better source would be
	# appreciated.
	EllipticalOrbit
	{
	Epoch             2452251.70833
	Period            0.0822
	SemiMajorAxis     3797.2
	Eccentricity      0.0
	Inclination       93.1
	AscendingNode     35
	ArgOfPericenter   0.0
	MeanAnomaly       0.0
	}
	InfoURL "https://en.wikipedia.org/wiki/2001_Mars_Odyssey"
}

"Mars Global Surveyor:MGS:1996-062A" "Sol/Mars"
{
	Class	"spacecraft"
	Mesh	"marsglobalsurvr.3ds"
	Radius	0.01
	Beginning	"1997 09 11 01:17"
	# Ending 2047?
	# http://mars.jpl.nasa.gov/mgs/status/nav/orbparam-peri2.txt
	EllipticalOrbit
	{
		Epoch	2451973.25864  # 2001 Mar 04 18:12:26
		Period	0.08127579
		SemiMajorAxis	3767.968213
		Eccentricity	0.005809
		Inclination	93.0092
		AscendingNode	28.452982
		ArgOfPericenter	267.202961
		MeanAnomaly	0.0
	}
	FixedRotation	{ }
	BodyFrame
	{
		TwoVector
		{
			Center	"Sol/Mars/Mars Global Surveyor"
			Primary
			{
				Axis	"y"
				RelativePosition
				{
					Observer	"Sol/Mars/Mars Global Surveyor"
					Target	"Sol/Mars"
				}
			}
			Secondary
			{
				Axis	"x"
				RelativeVelocity
				{
					Observer	"Sol/Mars/Mars Global Surveyor"
					Target	"Sol/Mars"
				}
			}
		}
	}
	Albedo	0.3
	InfoURL	"https://en.wikipedia.org/wiki/Mars_Global_Surveyor"
}