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226128 (2002 RU19)
Classification: Main-belt Asteroid          SPK-ID: 2226128
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2136290946573598 5.7723e-08  
a 2.249753064140261 8.3362e-09 au
q 1.769140353845356 1.2717e-07 au
i 6.44529943893332 4.8712e-06 deg
node 151.4955388444795 7.1781e-05 deg
peri 188.7845178512821 7.4246e-05 deg
M 342.9142027775479 2.2645e-05 deg
tp 2458658.996980854456
(2019-Jun-24.49698085)
7.7671e-05 TDB
period 1232.539098610574
3.37
6.8505e-06
1.876e-08
d
yr
n .2920799838364749 1.6234e-09 deg/d
Q 2.730365774435166 1.0117e-08 au
  Orbit Determination Parameters
   # obs. used (total)      316  
   data-arc span      6313 days (17.28 yr)  
   first obs. used      2002-08-12  
   last obs. used      2019-11-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61523  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 17:26:08  

Additional Information
 Earth MOID = .759784 au 
 Jupiter MOID = 2.66329 au 
 T_jup = 3.589 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457515.5 (2016-May-07.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2146796065059436 5.8124e-08  
q 1.766650775833772 1.2833e-07 au
tp 2457426.747699166816
(2016-Feb-08.24769917)
7.4478e-05 TDB
node 151.5481518341915 7.1749e-05 deg
peri 188.8236258281231 7.4171e-05 deg
i 6.44758725526485 4.8766e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      316  
   data-arc span      6313 days (17.28 yr)  
   first obs. used      2002-08-12  
   last obs. used      2019-11-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61523  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 17:26:08  

Additional Information
 Jupiter MOID = 2.66329 au 
 T_jup = 3.589 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.378397584549186E-15 -7.451166929087598E-15 3.412262967212849E-12 2.46196338587248E-13 9.0269788675268E-13 3.023260403615174E-15
q -7.451166929087598E-15 1.64684398227707E-14 -7.521168946251833E-12 -5.419999986009469E-13 -1.989327868459492E-12 -6.689508034799769E-15
tp 3.412262967212849E-12 -7.521168946251833E-12 5.547027313499722E-9 3.409662052641426E-10 1.533681901576445E-9 4.533481669828688E-12
node 2.46196338587248E-13 -5.419999986009469E-13 3.409662052641426E-10 5.147924686700181E-9 -5.001525836963559E-9 1.993464619925026E-10
peri 9.0269788675268E-13 -1.989327868459492E-12 1.533681901576445E-9 -5.001525836963559E-9 5.501317679588614E-9 -1.966334179513513E-10
i 3.023260403615174E-15 -6.689508034799769E-15 4.533481669828688E-12 1.993464619925026E-10 -1.966334179513513E-10 2.378098202013103E-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 17.2   n/a MPO503109  

226128 (2002 RU19)          Discovered 2002-Sep-04 by LONEOS at Anderson Mesa
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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