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249143 (2008 AY39)
Classification: Main-belt Asteroid          SPK-ID: 2249143
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08300392833095654 6.392e-08  
a 2.781694070634674 3.666e-08 au
q 2.550802535357067 1.8451e-07 au
i 5.485192398983652 6.6354e-06 deg
node 110.9969834241764 7.6793e-05 deg
peri 247.5399299986191 8.7151e-05 deg
M 7.676269023647108 4.311e-05 deg
tp 2458964.366489244015
(2020-Apr-24.86648924)
0.00020273 TDB
period 1694.581551543158
4.64
3.3499e-05
9.172e-08
d
yr
n .2124418265218152 4.1997e-09 deg/d
Q 3.01258560591228 3.9703e-08 au
  Orbit Determination Parameters
   # obs. used (total)      170  
   data-arc span      6086 days (16.66 yr)  
   first obs. used      2001-09-12  
   last obs. used      2018-05-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66496  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 09:54:16  

Additional Information
 Earth MOID = 1.55267 au 
 Jupiter MOID = 2.37055 au 
 T_jup = 3.321 
[ 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 16.5   n/a MPO440259  
diameter diameter 3.186 km 1.304 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.040   0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249143 (2008 AY39)          Discovered 2008-Jan-10 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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