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(148169) 1999XQ257  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.24408 7.728e-09 au
e 0.055457 3.521e-08
i 6.827 4.449e-06 deg
Ω 254.836 3.842e-05 deg
ω 237.351 6.408e-05 deg
M 35.556 5.147e-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  feb 22 02:21
Observational summary
Optical observations (Discarded) 669 (3)
Radar observations (Discarded) 0 (0)
Arc length 8805.14 days
Unobserved 72 days

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Ephemeris at epoch 60397 MJD
Right Ascension 154.325 deg
Declination -2.07413 deg
V Magnitude 19.42 mag
Solar Elongation -147.49 deg
Galactic Latitude 42.78 deg
Rate 0.163 deg/day
Direction -46.092 deg

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