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JPL Small-Body Database Browser
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442725 (2012 VK39)
Classification: Main-belt Asteroid          SPK-ID: 2442725
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1260540462490718 9.5179e-08  
a 2.589613544631174 5.4478e-08 au
q 2.263182279109013 2.7231e-07 au
i 15.5017006656394 1.0143e-05 deg
node 77.91132252921821 2.4001e-05 deg
peri 23.05379083896761 4.0452e-05 deg
M 175.2589664179306 3.764e-05 deg
tp 2457859.482253207750
(2017-Apr-15.98225321)
0.00014753 TDB
period 1522.126909096717
4.17
4.8032e-05
1.315e-07
d
yr
n .2365111593839679 7.4632e-09 deg/d
Q 2.916044810153334 6.1345e-08 au
  Orbit Determination Parameters
   # obs. used (total)      124  
   data-arc span      4789 days (13.11 yr)  
   first obs. used      2006-05-26  
   last obs. used      2019-07-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6145  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:43:54  

Additional Information
 Earth MOID = 1.28658 au 
 Jupiter MOID = 2.31682 au 
 T_jup = 3.358 
[ 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 16.4   n/a MPO450446  

442725 (2012 VK39)          Discovered 2012-Nov-05 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

Alternate Designations
 2012 VK39 = 2010 KQ129 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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