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Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 1998RO4 ∴ Summary
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(27031) 1998RO4  ▹ 
SUMMARY
Keplerian elements at epoch
58200.0 MJD
Value 1-σ variation Units
a 2.13992 4.921e-09 au
e 0.425012 3.34e-08
i 5.354 4.567e-06 deg
Ω 191.903 3.951e-05 deg
ω 111.756 4.058e-05 deg
M 106.91 1.292e-05 deg

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Other useful info
Absolute Magnitude (H)    17.8 mag
Slope parameter (G)    0.15 mag
Perihelion 1.2304 au
Aphelion 3.0494 au
Asc. node-Earth separation 1.08174 au
Desc. node-Earth separation 0.51411 au
Earth MOID 0.2354 au
Orbital period 1143.39 days
Date of orbit computation   Feb 9 15:07
Observational summary
Optical observations (Discarded) 226 (7)
Radar observations (Discarded) 0 (0)
Arc length 24225 days
Unobserved 61 days

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Ephemeris at epoch 58170 MJD
Right Ascension 58.765 deg
Declination 14.8432 deg
V Magnitude 22.86 mag
Solar Elongation -87.73 deg
Galactic Latitude -28.8 deg
Rate 0.238 deg/day
Direction 72.17 deg

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