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215683 (2003 WB156)
Classification: Main-belt Asteroid          SPK-ID: 2215683
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1127577696199837 4.7546e-08  
a 2.47266821510166 1.642e-08 au
q 2.193855662156571 1.1489e-07 au
i 6.500923079633465 4.3525e-06 deg
node 45.19706187574734 5.6814e-05 deg
peri 26.28539959064826 6.2328e-05 deg
M 79.87377349204191 2.7016e-05 deg
tp 2458685.399641102628
(2019-Jul-20.89964110)
0.000106 TDB
period 1420.192439191021
3.89
1.4146e-05
3.873e-08
d
yr
n .253486774091732 2.5249e-09 deg/d
Q 2.75148076804675 1.8271e-08 au
  Orbit Determination Parameters
   # obs. used (total)      262  
   data-arc span      7473 days (20.46 yr)  
   first obs. used      1999-11-12  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51365  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 09:21:09  

Additional Information
 Earth MOID = 1.21013 au 
 Jupiter MOID = 2.507 au 
 T_jup = 3.465 
[ 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 16.8   n/a MPO454549  

215683 (2003 WB156)          Discovered 2003-Nov-29 by LINEAR at Socorro
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

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