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2009ST171  ▹ 
SUMMARY

This object is currently included in the Risk list

Keplerian elements
(Epoch 59600.0 MJD)
Value 1-σ variation Units
a 2.57775 0.01804 au
e 0.608627 0.003141
i 3.744 0.01404 deg
Ω 186.536 0.01158 deg
ω 205.935 0.07787 deg
M 345.359 11.58 deg

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Other useful info
Absolute Magnitude (H)    26.8 mag
Slope parameter (G)    0.15 mag
Perihelion distance 1.0089 au
Aphelion distance 4.1466 au
Asc. node-Earth separation 2.588 au
Desc. node-Earth separation 0.04833 au
Earth MOID 0.02589 au
Orbital period 1511.68 days
Date of orbit computation   Oct 20 10:11
Observational summary
Optical observations (Discarded) 19 (0)
Radar observations (Discarded) 0 (0)
Arc length 1 days
Unobserved 4496 days

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Ephemeris
(Epoch 59599 MJD)
Right Ascension 317.618 deg
Declination -14.8538 deg
V Magnitude 29.81 mag
Solar Elongation -16.05 deg
Galactic Latitude -37.4 deg
Rate 0.827 deg/day
Direction 74.758 deg

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