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390093 (2012 UL156)
Classification: Main-belt Asteroid          SPK-ID: 2390093
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1308284281102387 6.0854e-08  
a 3.085371121003777 7.0212e-08 au
q 2.681716867106127 1.9365e-07 au
i 5.247570182046842 1.3339e-05 deg
node 359.216379909222 7.3006e-05 deg
peri 78.75924332442624 0.00011369 deg
M 104.5435740081915 8.6749e-05 deg
tp 2458425.650200026464
(2018-Nov-03.15020003)
0.0004628 TDB
period 1979.518396551639
5.42
6.757e-05
1.85e-07
d
yr
n .1818624169530969 6.2078e-09 deg/d
Q 3.489025374901426 7.9398e-08 au
  Orbit Determination Parameters
   # obs. used (total)      92  
   data-arc span      6784 days (18.57 yr)  
   first obs. used      2001-09-22  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54304  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:43:54  

Additional Information
 Earth MOID = 1.70337 au 
 Jupiter MOID = 1.7823 au 
 T_jup = 3.207 
[ 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 16.7   n/a MPO472009  

390093 (2012 UL156)          Discovered 2009-Feb-21 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-03-21

[ show close-approach data ]
Alternate Designations
 2012 UL156 = 2009 DO80 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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