Here is my version of 'Florence' and its moons.
On 1 October the asteroid passed near the Earth, at a distance of 7066600 km.
Code: Select all
// Filename: 3122_Florence.sc
// JackDole 2017.09.08 11:08:56
// https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=florence
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Asteroid "Florence/3122 Florence (1981 ET3)/1981 ET3/1983 CN1"
{
ParentBody "Sol"
Class "Asteroid"
AsterType "NEO"
Radius 2.45
RotationPeriod 2.3581
AbsMagn 14.1
AlbedoGeom 0.231
Orbit
{
RefPlane "Ecliptic"
Eccentricity 0.4233003664813503
SemiMajorAxis 1.769132449733128
PericenterDist 1.020258035407046
Inclination 22.150776347564
AscendingNode 336.0951331101513
ArgOfPericen 27.8469796982565
MeanAnomaly 351.4385166693727
Epoch 2458020.940215218691
Period 2.35
MeanMotion 0.4188548525065725
//aphelion distance 2.51800686405921
}
}
Asteroid "Florence I/3122 Florence (1981 ET3) I"
{
ParentBody "3122 Florence (1981 ET3)"
Radius 0.100 // Diameter between 100 and 300 meters.
Orbit
{
RefPlane "Equator"
Period 0.00091263644397223 // approx. 8 hours
}
}
Asteroid "Florence II/3122 Florence (1981 ET3) II"
{
ParentBody "3122 Florence (1981 ET3)"
Radius 0.100 // Diameter between 100 and 300 meters.
Orbit
{
RefPlane "Equator"
Period 0.0028519888874132 // approx. 22–27 hours
}
}
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