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67857 (2000 WQ18)
Classification: Main-belt Asteroid          SPK-ID: 2067857
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09939142152364323 4.0234e-08  
a 2.750184961399009 2.0215e-08 au
q 2.476840168632616 1.1102e-07 au
i 10.52800010632299 5.083e-06 deg
node 74.44781992937507 2.6472e-05 deg
peri 240.3150808086364 4.0805e-05 deg
M 252.4781893055871 3.3833e-05 deg
tp 2459698.048418220945
(2022-Apr-28.54841822)
0.00015799 TDB
period 1665.87066756724
4.56
1.8367e-05
5.029e-08
d
yr
n .2161032107766969 2.3827e-09 deg/d
Q 3.023529754165402 2.2224e-08 au
  Orbit Determination Parameters
   # obs. used (total)      760  
   data-arc span      8372 days (22.92 yr)  
   first obs. used      1998-04-21  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57954  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 07:05:12  

Additional Information
 Earth MOID = 1.48012 au 
 Jupiter MOID = 2.20874 au 
 T_jup = 3.314 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.19   n/a MPCxxxxx  

67857 (2000 WQ18)          Discovered 2000-Nov-21 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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