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(2154) Underhill  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.63457 7.501e-09 au
e 0.125696 2.833e-08
i 7.741 3.524e-06 deg
Ω 0.698 2.049e-05 deg
ω 120.259 2.697e-05 deg
M 207.205 1.543e-05 deg

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Other useful info
Absolute Magnitude (H)    13.3 mag
Slope parameter (G)    0.15 mag
Perihelion 2.3034 au
Aphelion 2.9657 au
Asc. node-Earth separation 1.76562 au
Desc. node-Earth separation 1.44238 au
Earth MOID 1.33065 au
Orbital period 1561.93 days
Date of orbit computation  apr 23 19:46
Observational summary
Optical observations (Discarded) 5963 (827)
Radar observations (Discarded) 0 (0)
Arc length 23878.7 days
Unobserved 245 days

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Ephemeris at epoch 60426 MJD
Right Ascension 346.078 deg
Declination -9.90317 deg
V Magnitude 19.13 mag
Solar Elongation 52.65 deg
Galactic Latitude -59.44 deg
Rate 0.332 deg/day
Direction 66.121 deg

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