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308143 (2005 AY2)
Classification: Inner Main-belt Asteroid          SPK-ID: 2308143
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07807739614124509 9.9798e-08  
a 1.853773239848638 1.375e-08 au
q 1.709035452244936 1.9024e-07 au
i 14.95960357315054 9.5333e-06 deg
node 298.1072490207043 1.9346e-05 deg
peri 279.4034306417752 0.0001229 deg
M 311.5749299961469 0.00013638 deg
tp 2459124.508397747964
(2020-Oct-02.00839775)
0.00034996 TDB
period 921.8989912810614
2.52
1.0257e-05
2.808e-08
d
yr
n .3904983120761936 4.3446e-09 deg/d
Q 1.998511027452339 1.4823e-08 au
  Orbit Determination Parameters
   # obs. used (total)      245  
   data-arc span      6054 days (16.57 yr)  
   first obs. used      2003-07-07  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6146  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 18:15:13  

Additional Information
 Earth MOID = .757217 au 
 Jupiter MOID = 3.09272 au 
 T_jup = 3.957 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.5   n/a MPO455270  

308143 (2005 AY2)          Discovered 2005-Jan-06 by LINEAR at Socorro
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12

Alternate Designations
 2005 AY2 = 2010 AR74 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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