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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 4.429e-09 au
e 0.172067 2.559e-08
i 5.102 2.528e-06 deg
Ω 148.417 3.528e-05 deg
ω 139.786 3.628e-05 deg
M 344.278 9.732e-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  feb 22 01:49
Observational summary
Optical observations (Discarded) 6003 (107)
Radar observations (Discarded) 0 (0)
Arc length 47797.1 days
Unobserved 277 days

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Ephemeris at epoch 60419 MJD
Right Ascension 303.057 deg
Declination -15.1508 deg
V Magnitude 13.33 mag
Solar Elongation 87.22 deg
Galactic Latitude -24.57 deg
Rate 0.391 deg/day
Direction 76.359 deg

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