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JPL Small-Body Database Browser
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390394 (2013 WC98)
Classification: Main-belt Asteroid          SPK-ID: 2390394
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .171682794221853 1.1672e-07  
a 2.630209508407553 2.4356e-08 au
q 2.178647790615258 3.0257e-07 au
i 4.657947994294308 6.8867e-06 deg
node 277.4884861793229 0.00013046 deg
peri 112.1086424039002 0.00013419 deg
M 126.5268494603815 2.365e-05 deg
tp 2458052.899122452003
(2017-Oct-26.39912245)
0.00010386 TDB
period 1558.059153120751
4.27
2.1642e-05
5.925e-08
d
yr
n .2310566959405421 3.2094e-09 deg/d
Q 3.081771226199848 2.8538e-08 au
  Orbit Determination Parameters
   # obs. used (total)      181  
   data-arc span      5317 days (14.56 yr)  
   first obs. used      2004-09-12  
   last obs. used      2019-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57304  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 15:45:05  

Additional Information
 Earth MOID = 1.18854 au 
 Jupiter MOID = 2.38072 au 
 T_jup = 3.375 
[ 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 16.8   n/a MPO335042  

390394 (2013 WC98)          Discovered 2004-Sep-12 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-03-21

Alternate Designations
 2013 WC98 = 2004 RS204 = 2008 OR18 = 2009 XC16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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