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JPL Small-Body Database Browser
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193400 (2000 WC18)
Classification: Main-belt Asteroid          SPK-ID: 2193400
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09856665288866462 4.9483e-08  
a 2.542328421127326 1.4827e-08 au
q 2.291739618113082 1.27e-07 au
i 5.526875536826855 4.7513e-06 deg
node 46.58432707437657 4.7346e-05 deg
peri 136.5819942937489 5.1303e-05 deg
M 177.9928526291904 2.2114e-05 deg
tp 2458268.441195442726
(2018-May-29.94119544)
8.8032e-05 TDB
period 1480.627821554441
4.05
1.2953e-05
3.546e-08
d
yr
n .2431401022993429 2.127e-09 deg/d
Q 2.79291722414157 1.6288e-08 au
  Orbit Determination Parameters
   # obs. used (total)      600  
   data-arc span      7858 days (21.51 yr)  
   first obs. used      1998-03-25  
   last obs. used      2019-09-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55719  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 21:46:25  

Additional Information
 Earth MOID = 1.29691 au 
 Jupiter MOID = 2.16798 au 
 T_jup = 3.431 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.9   n/a MPO436955  
rotation period rot_per 6.63 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.-H.; Lin, H.-W.; Ip, W.-H.; Chen, W.-P.; et al. (2019) ArXiv:1901.08719.]

193400 (2000 WC18)          Discovered 2000-Nov-21 by LINEAR at Socorro
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

[ show close-approach data ]
Alternate Designations
 2000 WC18 = 2002 HO6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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