AstDyS-2

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(12431) Webster  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.55555 9.799e-09 au
e 0.085547 4.241e-08
i 15.645 3.102e-06 deg
Ω 117.816 1.45e-05 deg
ω 285.442 2.404e-05 deg
M 33.528 1.87e-05 deg

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Other useful info
Absolute Magnitude (H)    14.1 mag
Slope parameter (G)    0.15 mag
Perihelion 2.3369 au
Aphelion 2.7742 au
Asc. node-Earth separation 1.49701 au
Desc. node-Earth separation 1.58003 au
Earth MOID 1.40202 au
Orbital period 1492.19 days
Date of orbit computation  apr 23 19:48
Observational summary
Optical observations (Discarded) 2356 (9)
Radar observations (Discarded) 0 (0)
Arc length 11751.6 days
Unobserved 51 days

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Ephemeris at epoch 60427 MJD
Right Ascension 75.0498 deg
Declination 17.1271 deg
V Magnitude 19.32 mag
Solar Elongation -39.1 deg
Galactic Latitude -15.22 deg
Rate 0.452 deg/day
Direction 75.825 deg

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