NEODyS-2

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(331509) 1999YA  ▹ 
SUMMARY
Keplerian elements
(Epoch 60400.0 MJD)
Value 1-σ variation Units
a 1.67674 4.734e-09 au
e 0.339264 4.279e-08
i 38.24 1.138e-05 deg
Ω 106.158 8.467e-06 deg
ω 265.569 2.037e-05 deg
M 110.883 2.321e-05 deg

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Other useful info
Absolute Magnitude (H)    18.2 mag
Slope parameter (G)    0.15 mag
Perihelion distance 1.1079 au
Aphelion distance 2.2456 au
Asc. node-Earth separation 0.54092 au
Desc. node-Earth separation 0.42928 au
Earth MOID 0.36828 au
Orbital period 793.044 days
Date of orbit computation   feb 27 11:48
Observational summary
Optical observations (Discarded) 278 (0)
Radar observations (Discarded) 0 (0)
Arc length 8827 days
Unobserved 127 days

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Ephemeris
(Epoch 60482 MJD)
Right Ascension 157.624 deg
Declination 41.6364 deg
V Magnitude 23.07 mag
Solar Elongation -58.48 deg
Galactic Latitude 57.81 deg
Rate 0.41 deg/day
Direction 121.14 deg

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