AstDyS-2

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AstDyS ∴ Objects ∴ 1998SD77 ∴ Summary
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(217663) 1998SD77  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.15912 2.934e-08 au
e 0.122708 4.103e-08
i 3.943 4.406e-06 deg
Ω 265.24 7.396e-05 deg
ω 20.928 7.716e-05 deg
M 255.287 2.116e-05 deg

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Other useful info
Absolute Magnitude (H)    15.2 mag
Slope parameter (G)    0.15 mag
Perihelion 2.7715 au
Aphelion 3.5468 au
Asc. node-Earth separation 1.77554 au
Desc. node-Earth separation 2.53119 au
Earth MOID 1.7553 au
Orbital period 2050.91 days
Date of orbit computation  apr 23 20:35
Observational summary
Optical observations (Discarded) 682 (3)
Radar observations (Discarded) 0 (0)
Arc length 9292.18 days
Unobserved 51 days

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Ephemeris at epoch 60427 MJD
Right Ascension 157.289 deg
Declination 4.26055 deg
V Magnitude 20.69 mag
Solar Elongation -120.39 deg
Galactic Latitude 49.09 deg
Rate 0.022 deg/day
Direction 7.374 deg

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