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JPL Small-Body Database Browser
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392847 (2012 UK39)
Classification: Main-belt Asteroid          SPK-ID: 2392847
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06035061651885822 6.8538e-08  
a 2.683661288159229 4.0055e-08 au
q 2.521700674891027 1.8652e-07 au
i 4.42431924120525 7.0581e-06 deg
node 260.0711323435368 9.2561e-05 deg
peri 156.1113622116436 0.00011187 deg
M 155.6608696201443 6.6388e-05 deg
tp 2457906.168400481919
(2017-Jun-01.66840048)
0.00028893 TDB
period 1605.79454834397
4.40
3.5951e-05
9.843e-08
d
yr
n .224188082075171 5.0192e-09 deg/d
Q 2.845621901427432 4.2472e-08 au
  Orbit Determination Parameters
   # obs. used (total)      99  
   data-arc span      7113 days (19.47 yr)  
   first obs. used      1999-12-05  
   last obs. used      2019-05-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61418  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:09:17  

Additional Information
 Earth MOID = 1.53391 au 
 Jupiter MOID = 2.37396 au 
 T_jup = 3.368 
[ 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 16.9   n/a MPO434457  

392847 (2012 UK39)          Discovered 2008-Nov-30 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Alternate Designations
 2012 UK39 = 2008 WC118 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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