NEODyS-2

Near Earth Objects - Dynamic Site
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2017SM21  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 1.58408 0.002775 au
e 0.376531 0.00111
i 13.734 0.02671 deg
Ω 2.359 0.00152 deg
ω 334.504 0.004759 deg
M 197.732 0.5247 deg

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Other useful info
Absolute Magnitude (H)    26.4 mag
Slope parameter (G)    0.15 mag
Perihelion 0.9876 au
Aphelion 2.1805 au
Asc. node-Earth separation 0.01179 au
Desc. node-Earth separation 1.06099 au
Earth MOID 0.01025 au
Orbital period 728.222 days
Date of orbit computation   Oct 1 21:30
Observational summary
Optical observations (Discarded) 15 (1)
Radar observations (Discarded) 0 (0)
Arc length 3 days
Unobserved 406 days

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Ephemeris at epoch 58435 MJD
Right Ascension 191.162 deg
Declination -3.22813 deg
V Magnitude 31.13 mag
Solar Elongation 38.79 deg
Galactic Latitude 59.6 deg
Rate 0.465 deg/day
Direction 118.091 deg

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