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233876 (2008 WB61)
Classification: Outer Main-belt Asteroid          SPK-ID: 2233876
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06988619448465962 4.9798e-08  
a 3.214721850013122 4.4096e-08 au
q 2.990057173589021 1.637e-07 au
i 5.844828741320889 5.1023e-06 deg
node 71.11316398571984 5.6634e-05 deg
peri 76.04177481870545 6.9099e-05 deg
M 205.6879437139928 4.1294e-05 deg
tp 2459502.924521207683
(2021-Oct-15.42452121)
0.00024954 TDB
period 2105.297767743019
5.76
4.3317e-05
1.186e-07
d
yr
n .1709971888612875 3.5183e-09 deg/d
Q 3.439386526437224 4.7177e-08 au
  Orbit Determination Parameters
   # obs. used (total)      296  
   data-arc span      5793 days (15.86 yr)  
   first obs. used      2003-12-17  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56589  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 01:37:53  

Additional Information
 Earth MOID = 2.00951 au 
 Jupiter MOID = 1.58855 au 
 T_jup = 3.179 
[ 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 15.2   n/a MPO454692  
diameter diameter 3.746 km 0.475 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.095   0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

233876 (2008 WB61)          Discovered 2008-Nov-21 by LINEAR at Socorro
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

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