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(219147) 1999HD4  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.61999 1.742e-08 au
e 0.079239 6.322e-08
i 12.279 6.859e-06 deg
Ω 36.607 2.56e-05 deg
ω 353.855 4.426e-05 deg
M 143.438 3.835e-05 deg

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Other useful info
Absolute Magnitude (H)    16.2 mag
Slope parameter (G)    0.15 mag
Perihelion 2.4124 au
Aphelion 2.8276 au
Asc. node-Earth separation 1.42109 au
Desc. node-Earth separation 1.81966 au
Earth MOID 1.41869 au
Orbital period 1548.98 days
Date of orbit computation  feb 22 02:37
Observational summary
Optical observations (Discarded) 405 (8)
Radar observations (Discarded) 0 (0)
Arc length 8675.01 days
Unobserved 467 days

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Ephemeris at epoch 60420 MJD
Right Ascension 174.859 deg
Declination 12.7741 deg
V Magnitude 20.7 mag
Solar Elongation -139.14 deg
Galactic Latitude 67.86 deg
Rate 0.143 deg/day
Direction -107.442 deg

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