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249346 (2008 WV61)
Classification: Main-belt Asteroid          SPK-ID: 2249346
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .330335990898339 7.0359e-08  
a 2.619368141509402 2.2353e-08 au
q 1.754096570956353 1.9061e-07 au
i 4.157691430703057 5.3504e-06 deg
node 226.6350834084645 0.00010035 deg
peri 108.0477691900919 0.00010147 deg
M 315.8919407595506 9.7153e-06 deg
tp 2459190.218065158189
(2020-Dec-06.71806516)
4.2983e-05 TDB
period 1548.435923798586
4.24
1.9821e-05
5.427e-08
d
yr
n .2324926685483094 2.9761e-09 deg/d
Q 3.48463971206245 2.9738e-08 au
  Orbit Determination Parameters
   # obs. used (total)      269  
   data-arc span      6739 days (18.45 yr)  
   first obs. used      1999-08-13  
   last obs. used      2018-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58503  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 09:55:21  

Additional Information
 Earth MOID = .749999 au 
 Jupiter MOID = 1.94523 au 
 T_jup = 3.322 
[ 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 16.4   n/a MPO433634  
diameter diameter 2.925 km 0.888 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.028   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249346 (2008 WV61)          Discovered 2008-Nov-22 by La Sagra at La Sagra
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ show close-approach data ]
Alternate Designations
 2008 WV61 = 2007 HU36 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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