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2009ST171  ▹ 
SUMMARY

This object is currently included in the Risk list

Keplerian elements
(Epoch 59000.0 MJD)
Value 1-σ variation Units
a 2.57656 0.01819 au
e 0.608516 0.003031
i 3.744 0.01387 deg
Ω 186.546 0.003258 deg
ω 205.969 0.07826 deg
M 202.321 10.09 deg

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Other useful info
Absolute Magnitude (H)    26.8 mag
Slope parameter (G)    0.15 mag
Perihelion distance 1.0087 au
Aphelion distance 4.1444 au
Asc. node-Earth separation 2.58444 au
Desc. node-Earth separation 0.04778 au
Earth MOID 0.02555 au
Orbital period 1510.63 days
Date of orbit computation   May 28 12:43
Observational summary
Optical observations (Discarded) 19 (0)
Radar observations (Discarded) 0 (0)
Arc length 1 days
Unobserved 4079 days

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Ephemeris
(Epoch 59182 MJD)
Right Ascension 234.953 deg
Declination -17.2876 deg
V Magnitude 33.32 mag
Solar Elongation 10.45 deg
Galactic Latitude 29.67 deg
Rate 0.282 deg/day
Direction 102.362 deg

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