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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2279940958208186 5.8544e-08  
a 3.172849450214632 6.0433e-08 au
q 2.449458508637366 1.9153e-07 au
i 16.61129871612646 6.9952e-06 deg
node 86.27278609715196 2.5921e-05 deg
peri 17.89078579919235 3.0504e-05 deg
M 196.7739820174178 1.809e-05 deg
tp 2459536.464787731561
(2021-Nov-17.96478773)
0.00012001 TDB
period 2064.299109589977
5.65
5.8978e-05
1.615e-07
d
yr
n .1743933320164563 4.9825e-09 deg/d
Q 3.896240391791899 7.4212e-08 au
  Orbit Determination Parameters
   # obs. used (total)      248  
   data-arc span      5293 days (14.49 yr)  
   first obs. used      2005-01-07  
   last obs. used      2019-07-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55738  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:38:25  

Additional Information
 Earth MOID = 1.47145 au 
 Jupiter MOID = 1.35065 au 
 T_jup = 3.097 
[ 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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