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2009ST171  ▹ 
SUMMARY

This object is currently included in the Risk list

Keplerian elements
(Epoch 59200.0 MJD)
Value 1-σ variation Units
a 2.57665 0.01807 au
e 0.608577 0.003065
i 3.744 0.01404 deg
Ω 186.546 0.00547 deg
ω 205.959 0.07828 deg
M 250.016 10.59 deg

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Other useful info
Absolute Magnitude (H)    26.8 mag
Slope parameter (G)    0.15 mag
Perihelion distance 1.0086 au
Aphelion distance 4.1447 au
Asc. node-Earth separation 2.5854 au
Desc. node-Earth separation 0.04605 au
Earth MOID 0.0245 au
Orbital period 1510.71 days
Date of orbit computation   Mar 19 08:59
Observational summary
Optical observations (Discarded) 19 (0)
Radar observations (Discarded) 0 (0)
Arc length 1 days
Unobserved 4244 days

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Ephemeris
(Epoch 59347 MJD)
Right Ascension 260.541 deg
Declination -18.2756 deg
V Magnitude 31.51 mag
Solar Elongation 150.81 deg
Galactic Latitude 10.25 deg
Rate 0.187 deg/day
Direction -78.513 deg

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