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(251957) 1999XN228  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.19278 2.548e-08 au
e 0.154103 7.134e-08
i 7.085 5.629e-06 deg
Ω 94.439 5.57e-05 deg
ω 301.869 5.935e-05 deg
M 149.279 1.721e-05 deg

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Other useful info
Absolute Magnitude (H)    15.7 mag
Slope parameter (G)    0.15 mag
Perihelion 2.7008 au
Aphelion 3.6848 au
Asc. node-Earth separation 1.89944 au
Desc. node-Earth separation 2.37678 au
Earth MOID 1.71693 au
Orbital period 2083.78 days
Date of orbit computation  feb 22 02:43
Observational summary
Optical observations (Discarded) 430 (0)
Radar observations (Discarded) 0 (0)
Arc length 8474.9 days
Unobserved 425 days

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Ephemeris at epoch 60420 MJD
Right Ascension 193.556 deg
Declination 4.42252 deg
V Magnitude 21.1 mag
Solar Elongation -158.57 deg
Galactic Latitude 67.28 deg
Rate 0.169 deg/day
Direction -74.076 deg

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