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AstDyS ∴ Objects ∴ Niihama ∴ Summary
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(220736) Niihama  ▹ 
SUMMARY
Keplerian elements at epoch
59000.0 MJD
Value 1-σ variation Units
a 3.16381 3.604e-08 au
e 0.241981 5.53e-08
i 25.292 7.796e-06 deg
Ω 84.587 1.594e-05 deg
ω 236.436 2.513e-05 deg
M 337.157 1.625e-05 deg

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Other useful info
Absolute Magnitude (H)    15.1 mag
Slope parameter (G)    0.15 mag
Perihelion 2.3982 au
Aphelion 3.9294 au
Asc. node-Earth separation 2.45471 au
Desc. node-Earth separation 1.61141 au
Earth MOID 1.46706 au
Orbital period 2055.49 days
Date of orbit computation  Aug 25 21:04
Observational summary
Optical observations (Discarded) 402 (0)
Radar observations (Discarded) 0 (0)
Arc length 9693.38 days
Unobserved 58 days

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Ephemeris at epoch 59113 MJD
Right Ascension 294.782 deg
Declination -46.9339 deg
V Magnitude 19.52 mag
Solar Elongation -108.25 deg
Galactic Latitude -27.3 deg
Rate 0.144 deg/day
Direction 63.395 deg

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