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(5507) Niijima  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.57961 7.863e-09 au
e 0.13443 3.941e-08
i 2.643 3.606e-06 deg
Ω 337.431 6.818e-05 deg
ω 22.036 6.892e-05 deg
M 310.59 1.064e-05 deg

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Other useful info
Absolute Magnitude (H)    13.8 mag
Slope parameter (G)    0.15 mag
Perihelion 2.2328 au
Aphelion 2.9264 au
Asc. node-Earth separation 1.24321 au
Desc. node-Earth separation 1.90378 au
Earth MOID 1.22938 au
Orbital period 1513.32 days
Date of orbit computation  feb 22 01:51
Observational summary
Optical observations (Discarded) 3259 (15)
Radar observations (Discarded) 0 (0)
Arc length 14518.8 days
Unobserved days

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Ephemeris at epoch MJD
Right Ascension deg
Declination deg
V Magnitude mag
Solar Elongation deg
Galactic Latitude deg
Rate deg/day
Direction deg

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