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(137690) 1999XW61  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.27831 7.458e-09 au
e 0.143561 4.513e-08
i 2.621 3.764e-06 deg
Ω 30.488 0.0001106 deg
ω 83.457 0.0001119 deg
M 345.746 1.547e-05 deg

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Other useful info
Absolute Magnitude (H)    16.9 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9512 au
Aphelion 2.6054 au
Asc. node-Earth separation 1.20174 au
Desc. node-Earth separation 1.26334 au
Earth MOID 0.97024 au
Orbital period 1256.08 days
Date of orbit computation  feb 22 02:19
Observational summary
Optical observations (Discarded) 716 (4)
Radar observations (Discarded) 0 (0)
Arc length 8833.81 days
Unobserved 77 days

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Ephemeris at epoch 60398 MJD
Right Ascension 65.9013 deg
Declination 23.6484 deg
V Magnitude 21.28 mag
Solar Elongation -59.58 deg
Galactic Latitude -17.89 deg
Rate 0.503 deg/day
Direction 80.843 deg

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