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117496 (2005 CD20)
Classification: Main-belt Asteroid          SPK-ID: 2117496
[ 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 .09962801690228615 5.1511e-08  
a 2.687082126592323 2.1171e-08 au
q 2.419373463066353 1.357e-07 au
i 4.823985507553338 5.7937e-06 deg
node 226.8831144200004 6.0215e-05 deg
peri 322.9324679019056 6.5562e-05 deg
M 130.0404595701037 2.5442e-05 deg
tp 2458419.339843516207
(2018-Oct-27.83984352)		 0.00011364 TDB
period 1608.865863945814
4.40		 1.9014e-05
5.206e-08		 d
yr
n .2237601083269205 2.6445e-09 deg/d
Q 2.954790790118294 2.3281e-08 au
   Orbit Determination Parameters
   # obs. used (total)      367  
   data-arc span      7640 days (20.92 yr)  
   first obs. used      1998-09-19  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57101  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 03:16:52  

Additional Information
 Earth MOID = 1.42129 au 
 Jupiter MOID = 2.01783 au 
 T_jup = 3.361 
[ 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 15.9   n/a MPO436564  
diameter diameter 4.095 km 0.095 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.046   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

117496 (2005 CD20)          Discovered 2005-Feb-02 by CSS at Catalina
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2005 CD20 = 1999 XF82 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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