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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08391479409227223 3.9167e-08  
a 2.435550052769429 9.5026e-09 au
q 2.23117137158986 9.3816e-08 au
i 5.479368943319812 3.5426e-06 deg
node 67.09407718236552 4.4183e-05 deg
peri 38.6723722310613 5.0558e-05 deg
M 55.53467033025691 2.3448e-05 deg
tp 2458786.331441822752
(2019-Oct-29.83144182)
9.0374e-05 TDB
period 1388.334179086726
3.80
8.1252e-06
2.225e-08
d
yr
n .2593035635244643 1.5176e-09 deg/d
Q 2.639928733948999 1.03e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1126  
   data-arc span      8010 days (21.93 yr)  
   first obs. used      1998-05-24  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51767  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 13:47:28  

Additional Information
 Earth MOID = 1.25101 au 
 Jupiter MOID = 2.45712 au 
 T_jup = 3.494 
[ 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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