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AstDyS ∴ Objects ∴ 1998HS121 ∴ Summary
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(42676) 1998HS121  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.76178 1.498e-08 au
e 0.110885 3.878e-08
i 10.303 4.032e-06 deg
Ω 98.481 2.328e-05 deg
ω 152.007 2.983e-05 deg
M 206.034 1.815e-05 deg

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Other useful info
Absolute Magnitude (H)    15.1 mag
Slope parameter (G)    0.15 mag
Perihelion 2.4555 au
Aphelion 3.068 au
Asc. node-Earth separation 2.04129 au
Desc. node-Earth separation 1.46787 au
Earth MOID 1.44572 au
Orbital period 1676.42 days
Date of orbit computation  apr 23 19:55
Observational summary
Optical observations (Discarded) 1180 (15)
Radar observations (Discarded) 0 (0)
Arc length 9453.2 days
Unobserved 44 days

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Ephemeris at epoch 60425 MJD
Right Ascension 81.2805 deg
Declination 22.822 deg
V Magnitude 21.14 mag
Solar Elongation -47.02 deg
Galactic Latitude -7.17 deg
Rate 0.322 deg/day
Direction 81.633 deg

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