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353201 (2009 SP246)
Classification: Jupiter Trojan          SPK-ID: 2353201
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06281634644362775 6.0184e-08  
a 5.131818134167809 1.9362e-07 au
q 4.809456068366233 4.6238e-07 au
i 14.25678076458187 8.0281e-06 deg
node 178.5564296074354 1.737e-05 deg
peri 276.3818588319238 7.9709e-05 deg
M 294.4373469338151 8.3458e-05 deg
tp 2460169.820158305254
(2023-Aug-13.32015831)
0.0010093 TDB
period 4246.247581055854
11.63
0.00024031
6.579e-07
d
yr
n .08478073713979814 4.7981e-09 deg/d
Q 5.454180199969386 2.0578e-07 au
  Orbit Determination Parameters
   # obs. used (total)      276  
   data-arc span      7272 days (19.91 yr)  
   first obs. used      2001-01-28  
   last obs. used      2020-12-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52295  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 09:04:48  

Additional Information
 Earth MOID = 3.86367 au 
 Jupiter MOID = .157736 au 
 T_jup = 2.935 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458021.5 (2017-Sep-25.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06157534026384823 5.9765e-08  
q 4.815436699532047 4.5942e-07 au
tp 2455934.440885310814
(2012-Jan-07.94088531)
0.00091488 TDB
node 178.5708405476731 1.7372e-05 deg
peri 277.0590579144509 8.1652e-05 deg
i 14.25483889320111 8.0278e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      276  
   data-arc span      7272 days (19.91 yr)  
   first obs. used      2001-01-28  
   last obs. used      2020-12-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52295  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 09:04:48  

Additional Information
 Jupiter MOID = .157736 au 
 T_jup = 2.935 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.57191456577381E-15 -2.652707503778833E-14 -1.334556538030748E-11 -4.352945421568487E-15 -1.459564751287084E-12 -1.874621538253126E-15
q -2.652707503778833E-14 2.110649460634876E-13 1.335011621624819E-10 3.980201087865021E-14 1.444962160321225E-11 2.4283609675479E-14
tp -1.334556538030748E-11 1.335011621624819E-10 8.370088235871669E-7 6.064187291039061E-11 7.265161024482639E-8 1.638292288266077E-11
node -4.352945421568487E-15 3.980201087865021E-14 6.064187291039061E-11 3.01787404534919E-10 -2.864842352949866E-10 -2.052758131447405E-12
peri -1.459564751287084E-12 1.444962160321225E-11 7.265161024482639E-8 -2.864842352949866E-10 6.666980877579255E-9 4.132978499720114E-12
i -1.874621538253126E-15 2.4283609675479E-14 1.638292288266077E-11 -2.052758131447405E-12 4.132978499720114E-12 6.444524516009834E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.46   n/a MPCxxxxx  

353201 (2009 SP246)          Discovered 2009-Sep-17 by Spacewatch at Kitt Peak
Reference: 20130127/Numbers.arcLast Updated: 2013-01-31
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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