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AstDyS ∴ Objects ∴ 1998HW122 ∴ Summary
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(19486) 1998HW122  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.76503 1.112e-08 au
e 0.04244 2.367e-08
i 9.611 2.546e-06 deg
Ω 89.549 1.97e-05 deg
ω 34.995 4.498e-05 deg
M 322.697 4.039e-05 deg

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Other useful info
Absolute Magnitude (H)    13.4 mag
Slope parameter (G)    0.15 mag
Perihelion 2.6477 au
Aphelion 2.8824 au
Asc. node-Earth separation 1.68431 au
Desc. node-Earth separation 1.84316 au
Earth MOID 1.67004 au
Orbital period 1679.37 days
Date of orbit computation  apr 23 19:50
Observational summary
Optical observations (Discarded) 4392 (183)
Radar observations (Discarded) 0 (0)
Arc length 15062.6 days
Unobserved 34 days

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Ephemeris at epoch 60425 MJD
Right Ascension 74.4213 deg
Declination 22.7134 deg
V Magnitude 19 mag
Solar Elongation -40.71 deg
Galactic Latitude -12.41 deg
Rate 0.394 deg/day
Direction 79.433 deg

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