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(21731) Zhuruochen  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.5958 9.172e-09 au
e 0.047251 3.633e-08
i 15.639 3.803e-06 deg
Ω 159.518 1.229e-05 deg
ω 43.425 3.656e-05 deg
M 104.652 3.559e-05 deg

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Other useful info
Absolute Magnitude (H)    13.5 mag
Slope parameter (G)    0.15 mag
Perihelion 2.4731 au
Aphelion 2.7185 au
Asc. node-Earth separation 1.51372 au
Desc. node-Earth separation 1.67348 au
Earth MOID 1.49258 au
Orbital period 1527.58 days
Date of orbit computation  feb 22 01:54
Observational summary
Optical observations (Discarded) 3172 (9)
Radar observations (Discarded) 0 (0)
Arc length 9694.98 days
Unobserved 210 days

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Ephemeris at epoch 60416 MJD
Right Ascension 334.589 deg
Declination -5.06897 deg
V Magnitude 18.97 mag
Solar Elongation 51.75 deg
Galactic Latitude -47.42 deg
Rate 0.372 deg/day
Direction 73.622 deg

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