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AstDyS ∴ Objects ∴ 1999UM4 ∴ Summary
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(66810) 1999UM4  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.70561 1.217e-08 au
e 0.25547 3.108e-08
i 13.924 5.786e-06 deg
Ω 230.582 1.498e-05 deg
ω 87.789 1.946e-05 deg
M 258.803 1.199e-05 deg

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Other useful info
Absolute Magnitude (H)    14.6 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0144 au
Aphelion 3.3968 au
Asc. node-Earth separation 1.49405 au
Desc. node-Earth separation 1.56553 au
Earth MOID 1.05892 au
Orbital period 1625.54 days
Date of orbit computation  apr 23 20:00
Observational summary
Optical observations (Discarded) 1355 (10)
Radar observations (Discarded) 0 (0)
Arc length 9401.98 days
Unobserved 39 days

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Ephemeris at epoch 60426 MJD
Right Ascension 181.591 deg
Declination -13.2355 deg
V Magnitude 19.12 mag
Solar Elongation -148.87 deg
Galactic Latitude 48.18 deg
Rate 0.2 deg/day
Direction -40.789 deg

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