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362276 (2009 QJ39)
Classification: Main-belt Asteroid          SPK-ID: 2362276
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1661395943461093 6.472e-08  
a 3.072901887432136 3.8398e-08 au
q 2.562371214388767 1.837e-07 au
i 13.5607334489407 5.9795e-06 deg
node 174.0588249834433 2.2611e-05 deg
peri 145.7549517063462 2.9022e-05 deg
M 96.30843312232084 1.8989e-05 deg
tp 2458870.139507504541
(2020-Jan-21.63950750)
9.9254e-05 TDB
period 1967.530476357094
5.39
3.6878e-05
1.01e-07
d
yr
n .1829704821988548 3.4295e-09 deg/d
Q 3.583432560475505 4.4777e-08 au
  Orbit Determination Parameters
   # obs. used (total)      195  
   data-arc span      4649 days (12.73 yr)  
   first obs. used      2008-04-13  
   last obs. used      2021-01-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55068  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 12:02:00  

Additional Information
 Earth MOID = 1.5623 au 
 Jupiter MOID = 1.88113 au 
 T_jup = 3.167 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457715.5 (2016-Nov-23.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .168354073750556 6.4121e-08  
q 2.553400078688075 1.8205e-07 au
tp 2456906.503698610991
(2014-Sep-06.00369861)
8.9673e-05 TDB
node 174.1912665674519 2.2587e-05 deg
peri 146.125226709106 2.8906e-05 deg
i 13.57425775086889 5.9853e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      195  
   data-arc span      4649 days (12.73 yr)  
   first obs. used      2008-04-13  
   last obs. used      2021-01-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55068  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 12:02:00  

Additional Information
 Jupiter MOID = 1.88113 au 
 T_jup = 3.167 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.111565010212699E-15 -1.154553574798947E-14 2.263665523781289E-13 -2.00494626865389E-14 -7.532833415941615E-15 -1.317084395887018E-14
q -1.154553574798947E-14 3.314071357902005E-14 -5.918686903898251E-13 5.997618988566375E-14 9.478182356823341E-14 4.003209809896428E-14
tp 2.263665523781289E-13 -5.918686903898251E-13 8.041264399885261E-9 1.975762269650595E-11 1.635284425035362E-9 -1.102655840118313E-11
node -2.00494626865389E-14 5.997618988566375E-14 1.975762269650595E-11 5.101670274952455E-10 -4.901911071562063E-10 5.362080306043692E-12
peri -7.532833415941615E-15 9.478182356823341E-14 1.635284425035362E-9 -4.901911071562063E-10 8.35562625896146E-10 -6.886847889509747E-12
i -1.317084395887018E-14 4.003209809896428E-14 -1.102655840118313E-11 5.362080306043692E-12 -6.886847889509747E-12 3.582381613370117E-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 16.47   n/a MPCxxxxx  

362276 (2009 QJ39)          Discovered 2009-Aug-20 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-04-29

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