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233873 (2008 WG25)
Classification: Main-belt Asteroid          SPK-ID: 2233873
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06424985037735875 7.9258e-08  
a 2.775879711607766 2.5834e-08 au
q 2.597529855471421 2.3328e-07 au
i 5.582687503732723 5.2686e-06 deg
node 86.35175257886894 7.7146e-05 deg
peri 330.7133093740905 9.1064e-05 deg
M 176.2521928008259 4.9229e-05 deg
tp 2458173.450660673053
(2018-Feb-23.95066067)
0.00022691 TDB
period 1689.27125062302
4.62
2.3582e-05
6.456e-08
d
yr
n .2131096470547453 2.975e-09 deg/d
Q 2.954229567744111 2.7494e-08 au
  Orbit Determination Parameters
   # obs. used (total)      208  
   data-arc span      8836 days (24.19 yr)  
   first obs. used      1996-02-17  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58072  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 11:14:06  

Additional Information
 Earth MOID = 1.6115 au 
 Jupiter MOID = 2.27097 au 
 T_jup = 3.325 
[ 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 16.5   n/a MPO427345  
diameter diameter 3.098 km 0.435 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.051   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

233873 (2008 WG25)          Discovered 2008-Nov-18 by CSS at Catalina
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

[ show close-approach data ]
Alternate Designations
 2008 WG25 = 2005 AO52 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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