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268205 (2005 AY81)
Classification: Main-belt Asteroid          SPK-ID: 2268205
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2289521784168894 5.3107e-08  
a 3.170382558139714 5.0742e-08 au
q 2.444516565038716 1.838e-07 au
i 16.61099204747927 5.9537e-06 deg
node 86.26880593613957 2.5822e-05 deg
peri 17.97623650372049 3.0273e-05 deg
M 266.5385587560836 1.8359e-05 deg
tp 2459535.798350437417
(2021-Nov-17.29835044)
0.00011302 TDB
period 2061.892087182146
5.65
4.9501e-05
1.355e-07
d
yr
n .1745969162197953 4.1917e-09 deg/d
Q 3.896248551240713 6.236e-08 au
  Orbit Determination Parameters
   # obs. used (total)      268  
   data-arc span      5760 days (15.77 yr)  
   first obs. used      2005-01-07  
   last obs. used      2020-10-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53885  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 22:14:22  

Additional Information
 Earth MOID = 1.46643 au 
 Jupiter MOID = 1.35033 au 
 T_jup = 3.098 
[ 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 15.4   n/a MPO476132  
diameter diameter 4.100 km 0.351 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.096   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

268205 (2005 AY81)          Discovered 2005-Jan-07 by CSS at Catalina
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23

[ show close-approach data ]
Alternate Designations
 2005 AY81 = 2006 KE68 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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