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351538 (2005 SD220)
Classification: Main-belt Asteroid          SPK-ID: 2351538
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1736244730515344 1.0584e-07  
a 3.122090613062375 4.9383e-08 au
q 2.580019275550278 3.314e-07 au
i 17.267047923082 9.4289e-06 deg
node 307.1741876360097 2.5325e-05 deg
peri 23.78715716729218 3.288e-05 deg
M 268.4790179460356 2.7503e-05 deg
tp 2459512.753403965203
(2021-Oct-25.25340397)
0.00016116 TDB
period 2014.961173807519
5.52
4.7806e-05
1.309e-07
d
yr
n .1786634922199198 4.2389e-09 deg/d
Q 3.664161950574472 5.7957e-08 au
  Orbit Determination Parameters
   # obs. used (total)      225  
   data-arc span      7473 days (20.46 yr)  
   first obs. used      1999-08-12  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60956  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 23:55:15  

Additional Information
 Earth MOID = 1.57682 au 
 Jupiter MOID = 1.701 au 
 T_jup = 3.124 
[ 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 15.0   n/a MPO437487  
diameter diameter 5.148 km 0.203 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.088   0.036 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

351538 (2005 SD220)          Discovered 2005-Sep-29 by CSS at Catalina
Reference: 20130127/Numbers.arcLast Updated: 2013-01-31

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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