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JPL Small-Body Database Browser
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59193 (1999 AJ31)
Classification: Main-belt Asteroid          SPK-ID: 2059193
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .146123217877439 3.3873e-08  
a 2.422722321172361 1.1587e-08 au
q 2.068706339579157 7.9828e-08 au
i .9493580780158498 5.0008e-06 deg
node 353.7138027393339 0.00024837 deg
peri 248.9286901244786 0.00024913 deg
M 149.4290640346874 1.9594e-05 deg
tp 2458428.775947783294
(2018-Nov-06.27594778)
7.406e-05 TDB
period 1377.380365242979
3.77
9.8811e-06
2.705e-08
d
yr
n .2613657121041462 1.875e-09 deg/d
Q 2.776738302765564 1.328e-08 au
  Orbit Determination Parameters
   # obs. used (total)      594  
   data-arc span      7559 days (20.70 yr)  
   first obs. used      1999-01-14  
   last obs. used      2019-09-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56958  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 07:21:32  

Additional Information
 Earth MOID = 1.05604 au 
 Jupiter MOID = 2.23739 au 
 T_jup = 3.498 
[ 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 16.2   n/a MPO436195  

59193 (1999 AJ31)          Discovered 1999-Jan-14 by Spacewatch at Kitt Peak
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 AJ31 = 2000 QP11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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