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JPL Small-Body Database Browser
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71923 (2000 WB56)
Classification: Main-belt Asteroid          SPK-ID: 2071923
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08402690311309108 4.2503e-08  
a 2.435846720461247 1.2e-08 au
q 2.231170064082709 1.0489e-07 au
i 5.479703255530865 4.2721e-06 deg
node 67.09770334140003 4.6175e-05 deg
peri 38.81869591128669 5.3371e-05 deg
M 311.6951766392218 2.7164e-05 deg
tp 2458786.820807899888
(2019-Oct-30.32080790)
0.00010524 TDB
period 1388.58785059594
3.80
1.0261e-05
2.809e-08
d
yr
n .259256193150112 1.9158e-09 deg/d
Q 2.640523376839785 1.3008e-08 au
  Orbit Determination Parameters
   # obs. used (total)      901  
   data-arc span      7561 days (20.70 yr)  
   first obs. used      1998-05-24  
   last obs. used      2019-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55228  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 08:45:01  

Additional Information
 Earth MOID = 1.25119 au 
 Jupiter MOID = 2.45775 au 
 T_jup = 3.493 
[ 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 15.3   n/a MPO302446  
diameter diameter 2.830 km 0.895 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.221   0.116 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

71923 (2000 WB56)          Discovered 2000-Nov-20 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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