AstDyS-2

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AstDyS ∴ Objects ∴ 1998HW99 ∴ Summary
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(22588) 1998HW99  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.69521 1.187e-08 au
e 0.127747 4.637e-08
i 13.978 5.073e-06 deg
Ω 55.544 1.634e-05 deg
ω 187.204 2.361e-05 deg
M 289.828 1.787e-05 deg

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Other useful info
Absolute Magnitude (H)    14.8 mag
Slope parameter (G)    0.15 mag
Perihelion 2.3509 au
Aphelion 3.0395 au
Asc. node-Earth separation 2.04823 au
Desc. node-Earth separation 1.34176 au
Earth MOID 1.33898 au
Orbital period 1616.18 days
Date of orbit computation  feb 22 01:54
Observational summary
Optical observations (Discarded) 1675 (211)
Radar observations (Discarded) 0 (0)
Arc length 16049.4 days
Unobserved 78 days

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Ephemeris at epoch 60418 MJD
Right Ascension 150.156 deg
Declination 30.4096 deg
V Magnitude 19.42 mag
Solar Elongation -112.29 deg
Galactic Latitude 52.64 deg
Rate 0.137 deg/day
Direction 169.364 deg

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