AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1998HN4 ∴ Summary
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(52730) 1998HN4  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.1776 1.917e-08 au
e 0.295355 6.047e-08
i 8.258 8.701e-06 deg
Ω 53.102 4.451e-05 deg
ω 266.841 4.83e-05 deg
M 53.396 2.73e-05 deg

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Other useful info
Absolute Magnitude (H)    16.0 mag
Slope parameter (G)    0.15 mag
Perihelion 1.5344 au
Aphelion 2.8208 au
Asc. node-Earth separation 1.03102 au
Desc. node-Earth separation 0.94376 au
Earth MOID 0.55048 au
Orbital period 1173.72 days
Date of orbit computation  Oct 31 05:29
Observational summary
Optical observations (Discarded) 505 (4)
Radar observations (Discarded) 0 (0)
Arc length 10575.3 days
Unobserved 150 days

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Ephemeris at epoch 58560 MJD
Right Ascension 66.2691 deg
Declination 26.618 deg
V Magnitude 21.15 mag
Solar Elongation -72.06 deg
Galactic Latitude -15.66 deg
Rate 0.333 deg/day
Direction 80.603 deg

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