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JPL Small-Body Database Browser
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441707 (2009 AK31)
Classification: Main-belt Asteroid          SPK-ID: 2441707
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 .1710774198629138 6.6094e-08  
a 2.469283365601081 2.7633e-08 au
q 2.046844738503636 1.7376e-07 au
i 2.383151767299051 1.0453e-05 deg
node 151.6285968977032 0.0001412 deg
peri 256.1830141417834 0.00014803 deg
M 27.08816081473797 3.6978e-05 deg
tp 2458893.857125844499
(2020-Feb-14.35712584)
0.00014581 TDB
period 1417.27727321718
3.88
2.379e-05
6.513e-08
d
yr
n .2540081653767085 4.2638e-09 deg/d
Q 2.891721992698526 3.236e-08 au
  Orbit Determination Parameters
   # obs. used (total)      114  
   data-arc span      5524 days (15.12 yr)  
   first obs. used      2004-12-11  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56741  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:37:33  

Additional Information
 Earth MOID = 1.05829 au 
 Jupiter MOID = 2.48784 au 
 T_jup = 3.464 
[ 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 MPO495189  

441707 (2009 AK31)          Discovered 2008-Nov-24 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02

Alternate Designations
 2009 AK31 = 2013 BN65 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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