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118969 (2000 WC156)
Classification: Main-belt Asteroid          SPK-ID: 2118969
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2105196096934629 4.0859e-08  
a 3.111304791871356 2.4649e-08 au
q 2.456314121449197 1.2835e-07 au
i 6.23814288641493 8.1965e-06 deg
node 6.300004387866855 4.2318e-05 deg
peri 76.07710163896081 4.7153e-05 deg
M 198.980125708626 1.9308e-05 deg
tp 2459897.080411463701
(2022-Nov-13.58041146)		 0.00011162 TDB
period 2004.528630688561
5.49		 2.3821e-05
6.522e-08		 d
yr
n .17959334403537 2.1342e-09 deg/d
Q 3.766295462293515 2.9838e-08 au
   Orbit Determination Parameters
   # obs. used (total)      366  
   data-arc span      6854 days (18.77 yr)  
   first obs. used      1999-08-04  
   last obs. used      2018-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59098  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 11:22:15  

Additional Information
 Earth MOID = 1.48131 au 
 Jupiter MOID = 1.56098 au 
 T_jup = 3.175 
[ 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 15.5   n/a MPO436572  

118969 (2000 WC156)          Discovered 2000-Nov-30 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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