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379232 (2009 SJ269)
Classification: Main-belt Asteroid          SPK-ID: 2379232
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 .1805760315932249 7.3452e-08  
a 2.432277582963818 2.4851e-08 au
q 1.993066549299051 1.8261e-07 au
i 1.33260147538364 6.6388e-06 deg
node 15.83034425037661 0.00041275 deg
peri 40.81717786974165 0.0004139 deg
M 261.9477352683615 3.2681e-05 deg
tp 2459377.875117229617
(2021-Jun-12.37511723)
0.00012895 TDB
period 1385.537015126442
3.79
2.1235e-05
5.814e-08
d
yr
n .2598270533877775 3.9821e-09 deg/d
Q 2.871488616628585 2.9339e-08 au
  Orbit Determination Parameters
   # obs. used (total)      103  
   data-arc span      5487 days (15.02 yr)  
   first obs. used      2005-08-08  
   last obs. used      2020-08-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50161  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:05:51  

Additional Information
 Earth MOID = 1.00519 au 
 Jupiter MOID = 2.47347 au 
 T_jup = 3.484 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457855.5 (2017-Apr-12.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .182388721111254 7.3652e-08  
q 1.987221217909106 1.834e-07 au
tp 2457992.029574652409
(2017-Aug-26.52957465)
0.00011574 TDB
node 15.98747399692811 0.00041184 deg
peri 40.46802632039497 0.00041295 deg
i 1.334891679106234 6.6428e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      103  
   data-arc span      5487 days (15.02 yr)  
   first obs. used      2005-08-08  
   last obs. used      2020-08-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50161  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:05:51  

Additional Information
 Jupiter MOID = 2.47347 au 
 T_jup = 3.484 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.424621901926505E-15 -1.342782669483785E-14 3.250170919037616E-12 2.062671376742066E-13 9.799233110141405E-13 -1.511082654766201E-15
q -1.342782669483785E-14 3.36354586643657E-14 -6.890013686762872E-12 -4.791865516187161E-13 -2.142957656257701E-12 4.151672143194184E-15
tp 3.250170919037616E-12 -6.890013686762872E-12 1.339531584537895E-8 3.790574203491231E-10 3.639481581243769E-9 1.680972838032026E-12
node 2.062671376742066E-13 -4.791865516187161E-13 3.790574203491231E-10 1.696156512146596E-7 -1.694494330198398E-7 -5.557673145133901E-10
peri 9.799233110141405E-13 -2.142957656257701E-12 3.639481581243769E-9 -1.694494330198398E-7 1.705291677364563E-7 5.560352955662853E-10
i -1.511082654766201E-15 4.151672143194184E-15 1.680972838032026E-12 -5.557673145133901E-10 5.560352955662853E-10 4.412618428104794E-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 18.1   n/a MPO281810  

379232 (2009 SJ269)          Discovered 2009-Sep-24 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-11-20

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