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(148169) 1999XQ257  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.24408 7.526e-09 au
e 0.055457 3.494e-08
i 6.827 4.351e-06 deg
Ω 254.836 3.821e-05 deg
ω 237.351 6.313e-05 deg
M 35.556 5.018e-05 deg

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Other useful info
Absolute Magnitude (H)    16.5 mag
Slope parameter (G)    0.15 mag
Perihelion 2.1196 au
Aphelion 2.3685 au
Asc. node-Earth separation 1.29148 au
Desc. node-Earth separation 1.18768 au
Earth MOID 1.14385 au
Orbital period 1227.88 days
Date of orbit computation  apr 23 20:19
Observational summary
Optical observations (Discarded) 746 (3)
Radar observations (Discarded) 0 (0)
Arc length 8867.15 days
Unobserved 65 days

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Ephemeris at epoch 60453 MJD
Right Ascension 159.54 deg
Declination 0.34046 deg
V Magnitude 20.64 mag
Solar Elongation -98.86 deg
Galactic Latitude 48.28 deg
Rate 0.266 deg/day
Direction 97.445 deg

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