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(21398) Zengguoshou  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.23314 5.452e-09 au
e 0.16643 3.031e-08
i 3.606 3.188e-06 deg
Ω 115.647 5.034e-05 deg
ω 270.205 5.135e-05 deg
M 76.484 1.111e-05 deg

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Other useful info
Absolute Magnitude (H)    14.5 mag
Slope parameter (G)    0.15 mag
Perihelion 1.8615 au
Aphelion 2.6048 au
Asc. node-Earth separation 1.1865 au
Desc. node-Earth separation 1.15677 au
Earth MOID 0.86983 au
Orbital period 1218.91 days
Date of orbit computation  apr 23 19:50
Observational summary
Optical observations (Discarded) 2844 (7)
Radar observations (Discarded) 0 (0)
Arc length 17310.7 days
Unobserved 39 days

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Ephemeris at epoch 60425 MJD
Right Ascension 105.386 deg
Declination 23.4542 deg
V Magnitude 19.36 mag
Solar Elongation -69.14 deg
Galactic Latitude 12.56 deg
Rate 0.4 deg/day
Direction 94.222 deg

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