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JPL Small-Body Database Browser
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390293 (2013 AK31)
Classification: Main-belt Asteroid          SPK-ID: 2390293
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07816329465228521 4.9926e-08  
a 2.767877724471635 2.998e-08 au
q 2.551531282332262 1.3261e-07 au
i 8.968404806561965 5.1844e-06 deg
node 153.7142323548207 4.4371e-05 deg
peri 10.77182703669738 6.3151e-05 deg
M 58.5484577594718 4.4322e-05 deg
tp 2458326.953138326311
(2018-Jul-27.45313833)
0.00020658 TDB
period 1681.972061622692
4.60
2.7327e-05
7.482e-08
d
yr
n .2140344707347207 3.4774e-09 deg/d
Q 2.984224166611008 3.2323e-08 au
  Orbit Determination Parameters
   # obs. used (total)      156  
   data-arc span      8468 days (23.18 yr)  
   first obs. used      1996-04-23  
   last obs. used      2019-06-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63405  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:06:52  

Additional Information
 Earth MOID = 1.56054 au 
 Jupiter MOID = 1.99157 au 
 T_jup = 3.316 
[ 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 16.6   n/a MPO434437  

390293 (2013 AK31)          Discovered 2009-Jan-20 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-03-21

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