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AstDyS ∴ Objects ∴ 2009HL99 ∴ Summary
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(305978) 2009HL99  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.01465 3.413e-08 au
e 0.041131 5.624e-08
i 9.074 8.664e-06 deg
Ω 217.431 4.127e-05 deg
ω 37.699 0.0001396 deg
M 268.317 0.0001378 deg

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Other useful info
Absolute Magnitude (H)    15.9 mag
Slope parameter (G)    0.15 mag
Perihelion 2.8907 au
Aphelion 3.1387 au
Asc. node-Earth separation 1.9079 au
Desc. node-Earth separation 2.11874 au
Earth MOID 1.88272 au
Orbital period 1911.85 days
Date of orbit computation  feb 22 02:55
Observational summary
Optical observations (Discarded) 304 (2)
Radar observations (Discarded) 0 (0)
Arc length 7157.28 days
Unobserved 130 days

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Ephemeris at epoch 60423 MJD
Right Ascension 144.546 deg
Declination 4.67514 deg
V Magnitude 21.24 mag
Solar Elongation -111.98 deg
Galactic Latitude 38.84 deg
Rate 0.088 deg/day
Direction 60.779 deg

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