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(99891) Donwells  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.05856 2.372e-08 au
e 0.045833 5.294e-08
i 4.951 5.167e-06 deg
Ω 296.913 6.157e-05 deg
ω 33.307 8.571e-05 deg
M 15.315 6.229e-05 deg

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Other useful info
Absolute Magnitude (H)    15.1 mag
Slope parameter (G)    0.15 mag
Perihelion 2.9184 au
Aphelion 3.1987 au
Asc. node-Earth separation 1.92342 au
Desc. node-Earth separation 2.19054 au
Earth MOID 1.9081 au
Orbital period 1953.77 days
Date of orbit computation  feb 22 02:11
Observational summary
Optical observations (Discarded) 666 (9)
Radar observations (Discarded) 0 (0)
Arc length 13416.5 days
Unobserved 277 days

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Ephemeris at epoch 60419 MJD
Right Ascension 359.01 deg
Declination 2.95803 deg
V Magnitude 20.97 mag
Solar Elongation 28.98 deg
Galactic Latitude -57.08 deg
Rate 0.384 deg/day
Direction 64.559 deg

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