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AstDyS ∴ Objects ∴ 1998HM16 ∴ Summary
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(228225) 1998HM16  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.70194 2.223e-08 au
e 0.076938 5.34e-08
i 3.002 5.178e-06 deg
Ω 101.17 0.0001404 deg
ω 208.901 0.0001505 deg
M 196.602 5.534e-05 deg

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Other useful info
Absolute Magnitude (H)    16.5 mag
Slope parameter (G)    0.15 mag
Perihelion 2.4941 au
Aphelion 2.9098 au
Asc. node-Earth separation 1.89711 au
Desc. node-Earth separation 1.49989 au
Earth MOID 1.47972 au
Orbital period 1622.22 days
Date of orbit computation  apr 23 20:37
Observational summary
Optical observations (Discarded) 361 (2)
Radar observations (Discarded) 0 (0)
Arc length 9453.02 days
Unobserved 43 days

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Ephemeris at epoch 60425 MJD
Right Ascension 131.952 deg
Declination 20.4005 deg
V Magnitude 21.89 mag
Solar Elongation -93.89 deg
Galactic Latitude 34.37 deg
Rate 0.164 deg/day
Direction 107.251 deg

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