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JPL Small-Body Database Browser
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437103 (2012 UJ109)
Classification: Main-belt Asteroid          SPK-ID: 2437103
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1014112819723043 1.3089e-07  
a 2.71826693510088 4.9214e-08 au
q 2.442604000469373 3.8677e-07 au
i 8.384685459780101 1.1595e-05 deg
node 212.297204218774 4.8653e-05 deg
peri 41.25101513067008 7.7028e-05 deg
M 293.421040620433 6.6362e-05 deg
tp 2458903.240889509809
(2020-Feb-23.74088951)
0.00030687 TDB
period 1636.954395790379
4.48
4.4456e-05
1.217e-07
d
yr
n .2199206043404645 5.9725e-09 deg/d
Q 2.993929869732387 5.4205e-08 au
  Orbit Determination Parameters
   # obs. used (total)      79  
   data-arc span      5660 days (15.50 yr)  
   first obs. used      2003-10-24  
   last obs. used      2019-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64272  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:54:12  

Additional Information
 Earth MOID = 1.43573 au 
 Jupiter MOID = 2.03617 au 
 T_jup = 3.337 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457567.5 (2016-Jun-28.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1008321721553576 1.3115e-07  
q 2.445201414745991 3.8746e-07 au
tp 2457264.312477665817
(2015-Aug-29.81247767)
0.00028169 TDB
node 212.303677808344 4.8649e-05 deg
peri 40.98553631840495 7.7131e-05 deg
i 8.383636522000096 1.1594e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      79  
   data-arc span      5660 days (15.50 yr)  
   first obs. used      2003-10-24  
   last obs. used      2019-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64272  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:54:12  

Additional Information
 Jupiter MOID = 2.03617 au 
 T_jup = 3.337 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.71998857304474E-14 -5.063104845116164E-14 -2.453429500534618E-11 2.987654846623452E-14 -4.717649235338966E-12 -2.907473858344017E-14
q -5.063104845116164E-14 1.501271582805805E-13 7.327848723611722E-11 -8.678018874348019E-14 1.415293911771846E-11 9.069678066674983E-14
tp -2.453429500534618E-11 7.327848723611722E-11 7.93505036095485E-8 -5.116101646672767E-11 1.683879089563156E-8 8.481170268950993E-11
node 2.987654846623452E-14 -8.678018874348019E-14 -5.116101646672767E-11 2.366734370599959E-9 -2.350912509916994E-9 -1.432853310717901E-10
peri -4.717649235338966E-12 1.415293911771846E-11 1.683879089563156E-8 -2.350912509916994E-9 5.94920222427885E-9 1.59677812795624E-10
i -2.907473858344017E-14 9.069678066674983E-14 8.481170268950993E-11 -1.432853310717901E-10 1.59677812795624E-10 1.344285904946503E-10

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.2   n/a MPO472423  

437103 (2012 UJ109)          Discovered 2006-Mar-26 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-06-04

Alternate Designations
 2012 UJ109 = 2006 KU40 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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