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JPL Small-Body Database Browser
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390091 (2012 UA156)
Classification: Main-belt Asteroid          SPK-ID: 2390091
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06412446474720106 1.9923e-07  
a 2.666346533083174 4.8633e-08 au
q 2.49536848881866 5.3881e-07 au
i 15.26117924214657 9.7871e-06 deg
node 19.58974649173717 4.0178e-05 deg
peri 106.0911212454916 0.00014958 deg
M 96.17749582514024 0.00012718 deg
tp 2458175.641531430758
(2018-Feb-26.14153143)
0.00056582 TDB
period 1590.278966745016
4.35
4.3509e-05
1.191e-07
d
yr
n .2263753766025392 6.1935e-09 deg/d
Q 2.837324577347688 5.1752e-08 au
  Orbit Determination Parameters
   # obs. used (total)      93  
   data-arc span      5274 days (14.44 yr)  
   first obs. used      2003-09-30  
   last obs. used      2018-03-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6535  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:52:49  

Additional Information
 Earth MOID = 1.55302 au 
 Jupiter MOID = 2.21601 au 
 T_jup = 3.330 
[ 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 MPO437597  

390091 (2012 UA156)          Discovered 2003-Sep-30 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-03-21
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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