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AstDyS ∴ Objects ∴ Roberta ∴ Summary
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(335) Roberta  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.47582 4.413e-09 au
e 0.172067 2.558e-08
i 5.102 2.524e-06 deg
Ω 148.417 3.527e-05 deg
ω 139.786 3.627e-05 deg
M 344.278 9.688e-06 deg

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Other useful info
Absolute Magnitude (H)    9.2 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0498 au
Aphelion 2.9018 au
Asc. node-Earth separation 1.77829 au
Desc. node-Earth separation 1.11221 au
Earth MOID 1.03651 au
Orbital period 1422.91 days
Date of orbit computation  apr 23 19:45
Observational summary
Optical observations (Discarded) 6064 (107)
Radar observations (Discarded) 0 (0)
Arc length 48047.4 days
Unobserved 33 days

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Ephemeris at epoch 60425 MJD
Right Ascension 305.349 deg
Declination -14.5979 deg
V Magnitude 13.25 mag
Solar Elongation 90.77 deg
Galactic Latitude -26.38 deg
Rate 0.37 deg/day
Direction 75.627 deg

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