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(17978) 1999JS54  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.27434 5.839e-09 au
e 0.1613 3.153e-08
i 4.173 3.226e-06 deg
Ω 293.695 5.179e-05 deg
ω 226.935 5.309e-05 deg
M 150.17 1.24e-05 deg

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Other useful info
Absolute Magnitude (H)    14.8 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9075 au
Aphelion 2.6412 au
Asc. node-Earth separation 1.47334 au
Desc. node-Earth separation 1.0122 au
Earth MOID 0.91958 au
Orbital period 1252.8 days
Date of orbit computation  feb 22 01:53
Observational summary
Optical observations (Discarded) 2393 (12)
Radar observations (Discarded) 0 (0)
Arc length 10445.7 days
Unobserved 249 days

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Ephemeris at epoch 60420 MJD
Right Ascension 340.863 deg
Declination -6.26319 deg
V Magnitude 20.33 mag
Solar Elongation 50.13 deg
Galactic Latitude -53.13 deg
Rate 0.371 deg/day
Direction 65.322 deg

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