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249140 (2008 AY15)
Classification: Main-belt Asteroid          SPK-ID: 2249140
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06920622040669905 7.1135e-08  
a 2.680271295846186 2.5877e-08 au
q 2.494779849796106 1.9784e-07 au
i 3.878312236623322 5.506e-06 deg
node 263.9623552137136 9.779e-05 deg
peri 108.6190295278334 0.00010688 deg
M 306.7516814761078 4.1256e-05 deg
tp 2458837.566374108288
(2019-Dec-20.06637411)
0.00018388 TDB
period 1602.752857645458
4.39
2.3211e-05
6.355e-08
d
yr
n .2246135443045548 3.2529e-09 deg/d
Q 2.865762741896265 2.7668e-08 au
  Orbit Determination Parameters
   # obs. used (total)      192  
   data-arc span      6724 days (18.41 yr)  
   first obs. used      2001-06-18  
   last obs. used      2019-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57735  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 16:44:12  

Additional Information
 Earth MOID = 1.49746 au 
 Jupiter MOID = 2.47784 au 
 T_jup = 3.370 
[ 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 16.8   n/a MPO450107  
diameter diameter 2.612 km 0.969 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.049   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249140 (2008 AY15)          Discovered 2008-Jan-10 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

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