AstDyS-2

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AstDyS ∴ Objects ∴ 1998HG21 ∴ Summary
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(91103) 1998HG21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.59724 8.809e-09 au
e 0.145194 4.525e-08
i 3.214 4.785e-06 deg
Ω 35.624 6.368e-05 deg
ω 16.885 6.52e-05 deg
M 203.935 1.308e-05 deg

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Other useful info
Absolute Magnitude (H)    14.8 mag
Slope parameter (G)    0.15 mag
Perihelion 2.2201 au
Aphelion 2.9743 au
Asc. node-Earth separation 1.23983 au
Desc. node-Earth separation 1.94633 au
Earth MOID 1.23153 au
Orbital period 1528.85 days
Date of orbit computation  feb 22 02:09
Observational summary
Optical observations (Discarded) 1658 (10)
Radar observations (Discarded) 0 (0)
Arc length 9211.99 days
Unobserved 313 days

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Ephemeris at epoch 60418 MJD
Right Ascension 271.895 deg
Declination -25.918 deg
V Magnitude 19.96 mag
Solar Elongation 116.39 deg
Galactic Latitude -2.7 deg
Rate 0.047 deg/day
Direction 119.125 deg

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