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117405 (2005 AY9)
Classification: Main-belt Asteroid          SPK-ID: 2117405
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1034183207605167 7.2213e-08  
a 2.810364678823199 2.1006e-08 au
q 2.519721483014635 1.9243e-07 au
i 3.737149269093846 7.0714e-06 deg
node 352.0703213299535 7.0278e-05 deg
peri 171.2771811821848 7.5628e-05 deg
M 52.18922909064424 2.805e-05 deg
tp 2458751.028564733601
(2019-Sep-24.52856473)
0.00013302 TDB
period 1720.847735457417
4.71
1.9294e-05
5.282e-08
d
yr
n .2091992176776226 2.3455e-09 deg/d
Q 3.101007874631763 2.3179e-08 au
  Orbit Determination Parameters
   # obs. used (total)      386  
   data-arc span      8859 days (24.25 yr)  
   first obs. used      1996-01-26  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54768  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:12:02  

Additional Information
 Earth MOID = 1.5275 au 
 Jupiter MOID = 1.87419 au 
 T_jup = 3.310 
[ 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 15.7   n/a MPO432679  
diameter diameter 2.278 km 0.449 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.163   0.061 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

117405 (2005 AY9)          Discovered 2005-Jan-06 by CSS at Catalina
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2005 AY9 = 2004 XO164 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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