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AstDyS ∴ Objects ∴ 2009YQ21 ∴ Summary
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(381863) 2009YQ21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.69979 3.025e-08 au
e 0.11967 7.502e-08
i 7.044 1.066e-05 deg
Ω 312.896 6.406e-05 deg
ω 115.475 8.201e-05 deg
M 110.399 4.924e-05 deg

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Other useful info
Absolute Magnitude (H)    17.3 mag
Slope parameter (G)    0.15 mag
Perihelion 2.3767 au
Aphelion 3.0229 au
Asc. node-Earth separation 1.79125 au
Desc. node-Earth separation 1.54595 au
Earth MOID 1.40164 au
Orbital period 1620.29 days
Date of orbit computation  apr 23 21:11
Observational summary
Optical observations (Discarded) 141 (3)
Radar observations (Discarded) 0 (0)
Arc length 6179.96 days
Unobserved 471 days

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Ephemeris at epoch 60425 MJD
Right Ascension 181.558 deg
Declination -10.7246 deg
V Magnitude 21.68 mag
Solar Elongation -149.48 deg
Galactic Latitude 50.59 deg
Rate 0.155 deg/day
Direction -60.513 deg

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