AstDyS-2

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(8489) Boulder  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.14883 1.702e-08 au
e 0.1187 3.136e-08
i 5.832 3.944e-06 deg
Ω 146.01 3.443e-05 deg
ω 101.253 3.826e-05 deg
M 187.619 1.7e-05 deg

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Other useful info
Absolute Magnitude (H)    13.4 mag
Slope parameter (G)    0.15 mag
Perihelion 2.7751 au
Aphelion 3.5226 au
Asc. node-Earth separation 2.1909 au
Desc. node-Earth separation 2.02232 au
Earth MOID 1.76908 au
Orbital period 2040.9 days
Date of orbit computation  apr 23 19:47
Observational summary
Optical observations (Discarded) 2945 (180)
Radar observations (Discarded) 0 (0)
Arc length 17515.2 days
Unobserved 35 days

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Ephemeris at epoch 60425 MJD
Right Ascension 66.8914 deg
Declination 17.2446 deg
V Magnitude 19.96 mag
Solar Elongation -33.23 deg
Galactic Latitude -21.35 deg
Rate 0.301 deg/day
Direction 78.597 deg

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