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249344 (2008 WC60)
Classification: Main-belt Asteroid          SPK-ID: 2249344
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1266497355287912 5.3294e-08  
a 2.608002991005724 2.8005e-08 au
q 2.277700101936552 1.4743e-07 au
i 3.862261920511624 4.1212e-06 deg
node 110.8525788249139 0.00010537 deg
peri 225.2074014357183 0.00010795 deg
M 335.2497048611328 2.7071e-05 deg
tp 2459106.264138429162
(2020-Sep-13.76413843)
0.00011639 TDB
period 1538.369123312244
4.21
2.4779e-05
6.784e-08
d
yr
n .2340140571886208 3.7693e-09 deg/d
Q 2.938305880074895 3.1552e-08 au
  Orbit Determination Parameters
   # obs. used (total)      285  
   data-arc span      6761 days (18.51 yr)  
   first obs. used      2000-11-22  
   last obs. used      2019-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57196  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 10:22:01  

Additional Information
 Earth MOID = 1.26984 au 
 Jupiter MOID = 2.40819 au 
 T_jup = 3.396 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.3   n/a MPO437158  
diameter diameter 3.823 km 0.913 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.030   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249344 (2008 WC60)          Discovered 2008-Nov-19 by LINEAR at Socorro
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

Alternate Designations
 2008 WC60 = 2000 XL55 = 2006 DB141 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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