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JPL Small-Body Database Browser
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233877 (2008 WY78)
Classification: Main-belt Asteroid          SPK-ID: 2233877
[ 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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1716109631933958 6.9286e-08  
a 2.566219614070179 2.584e-08 au
q 2.125828194333811 1.8304e-07 au
i 6.241450008189164 6.2441e-06 deg
node 110.3923288199491 5.075e-05 deg
peri 176.8415851862335 5.3082e-05 deg
M 315.8943389708878 1.6462e-05 deg
tp 2458784.463215311759
(2019-Oct-27.96321531)		 6.9327e-05 TDB
period 1501.547782460851
4.11		 2.2679e-05
6.209e-08		 d
yr
n .2397526100767866 3.6212e-09 deg/d
Q 3.006611033806546 3.0274e-08 au
   Orbit Determination Parameters
   # obs. used (total)      287  
   data-arc span      6276 days (17.18 yr)  
   first obs. used      2002-03-05  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58921  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 08:32:20  

Additional Information
 Earth MOID = 1.10884 au 
 Jupiter MOID = 2.15975 au 
 T_jup = 3.403 
[ 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 16.3   n/a MPO437098  
diameter diameter 2.976 km 0.884 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.060   0.049 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

233877 (2008 WY78)          Discovered 2008-Nov-20 by Spacewatch at Kitt Peak
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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