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AstDyS ∴ Objects ∴ 1998US31 ∴ Summary
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(49287) 1998US31  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.64429 8.569e-09 au
e 0.083057 3.165e-08
i 3.929 3.161e-06 deg
Ω 68.129 4.877e-05 deg
ω 265.338 5.259e-05 deg
M 42.322 2.055e-05 deg

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Other useful info
Absolute Magnitude (H)    14.3 mag
Slope parameter (G)    0.15 mag
Perihelion 2.4247 au
Aphelion 2.8639 au
Asc. node-Earth separation 1.65824 au
Desc. node-Earth separation 1.59495 au
Earth MOID 1.41807 au
Orbital period 1570.59 days
Date of orbit computation  feb 22 02:00
Observational summary
Optical observations (Discarded) 2398 (8)
Radar observations (Discarded) 0 (0)
Arc length 11990.7 days
Unobserved 138 days

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Ephemeris at epoch 60397 MJD
Right Ascension 17.2412 deg
Declination 5.12066 deg
V Magnitude 19.39 mag
Solar Elongation -10.58 deg
Galactic Latitude -57.47 deg
Rate 0.465 deg/day
Direction 66.408 deg

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