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JPL Small-Body Database Browser
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266859 (2009 UJ109)
Classification: Main-belt Asteroid          SPK-ID: 2266859
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05172462968185533 4.9725e-08  
a 3.141871175600155 4.1913e-08 au
q 2.979359052534142 1.4179e-07 au
i 2.31864395335625 7.3495e-06 deg
node 14.9031089414137 0.00015136 deg
peri 249.2116863938203 0.00017179 deg
M 110.424756568507 7.9934e-05 deg
tp 2458376.556970128863
(2018-Sep-15.05697013)
0.00045134 TDB
period 2034.140692121483
5.57
4.0704e-05
1.114e-07
d
yr
n .176978908781645 3.5414e-09 deg/d
Q 3.304383298666169 4.4081e-08 au
  Orbit Determination Parameters
   # obs. used (total)      214  
   data-arc span      5829 days (15.96 yr)  
   first obs. used      2003-09-19  
   last obs. used      2019-09-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48318  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:36:59  

Additional Information
 Earth MOID = 1.96471 au 
 Jupiter MOID = 1.73173 au 
 T_jup = 3.207 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457348.5 (2015-Nov-22.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05415737910495619 5.0024e-08  
q 2.971296615204317 1.441e-07 au
tp 2456357.153623163463
(2013-Mar-05.65362316)
0.00043419 TDB
node 15.00957757528469 0.00015079 deg
peri 251.9640559969411 0.00016962 deg
i 2.32572472366252 7.3627e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      214  
   data-arc span      5829 days (15.96 yr)  
   first obs. used      2003-09-19  
   last obs. used      2019-09-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48318  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:36:59  

Additional Information
 Jupiter MOID = 1.73173 au 
 T_jup = 3.207 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.502423382990189E-15 -6.986892505014168E-15 5.154595511240227E-12 -1.390886735098946E-15 9.989869495775797E-13 -5.435107579408137E-16
q -6.986892505014168E-15 2.07653978740241E-14 -1.831413390794719E-11 -2.324788989332672E-15 -3.367595280064687E-12 2.401756710490252E-15
tp 5.154595511240227E-12 -1.831413390794719E-11 1.88517333477743E-7 -6.717673759938254E-12 3.373831137997949E-8 -1.038899703398754E-11
node -1.390886735098946E-15 -2.324788989332672E-15 -6.717673759938254E-12 2.273841440100568E-8 -2.272060018276372E-8 -5.358512724097041E-10
peri 9.989869495775797E-13 -3.367595280064687E-12 3.373831137997949E-8 -2.272060018276372E-8 2.876936761770854E-8 5.335907664476018E-10
i -5.435107579408137E-16 2.401756710490252E-15 -1.038899703398754E-11 -5.358512724097041E-10 5.335907664476018E-10 5.420868936357555E-11

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 15.8   n/a MPO454983  

266859 (2009 UJ109)          Discovered 2009-Oct-23 by Spacewatch at Kitt Peak
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

[ show close-approach data ]
Alternate Designations
 2009 UJ109 = 2006 DE156 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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