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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2082680398850829 4.0427e-08  
a 3.115273680872674 2.5833e-08 au
q 2.466461737651735 1.2622e-07 au
i 6.246000021138443 7.5315e-06 deg
node 5.94928618561723 4.0754e-05 deg
peri 76.54824697411422 4.4949e-05 deg
M 234.5425173351219 1.8767e-05 deg
tp 2459900.401306457091
(2022-Nov-16.90130646)
0.00010826 TDB
period 2008.365423667874
5.50
2.4982e-05
6.84e-08
d
yr
n .1792502478670105 2.2297e-09 deg/d
Q 3.764085624093612 3.1214e-08 au
  Orbit Determination Parameters
   # obs. used (total)      382  
   data-arc span      7242 days (19.83 yr)  
   first obs. used      1999-08-04  
   last obs. used      2019-06-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58673  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:59:43  

Additional Information
 Earth MOID = 1.49114 au 
 Jupiter MOID = 1.56209 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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