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JPL Small-Body Database Browser
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71931 (2000 WN61)
Classification: Main-belt Asteroid          SPK-ID: 2071931
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1652909740406094 4.6326e-08  
a 2.280891209715866 8.3609e-09 au
q 1.903880479981267 1.0601e-07 au
i 5.158957684231758 4.4043e-06 deg
node 96.1713718016417 4.9419e-05 deg
peri 335.7851915591 5.222e-05 deg
M 139.2774247334436 1.4477e-05 deg
tp 2458113.719120162713
(2017-Dec-26.21912016)
5.0551e-05 TDB
period 1258.216233368825
3.44
6.9182e-06
1.894e-08
d
yr
n .2861193413759366 1.5732e-09 deg/d
Q 2.657901939450466 9.7428e-09 au
  Orbit Determination Parameters
   # obs. used (total)      818  
   data-arc span      8719 days (23.87 yr)  
   first obs. used      1995-06-26  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5576  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:37:41  

Additional Information
 Earth MOID = .919855 au 
 Jupiter MOID = 2.60554 au 
 T_jup = 3.582 
[ 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 16.0   n/a MPO337803  
diameter diameter 1.589 km 0.401 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.254   0.086 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

71931 (2000 WN61)          Discovered 2000-Nov-21 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

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