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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06223242215208934 6.4582e-08  
a 5.131630291669905 2.1992e-07 au
q 4.812276509030253 4.6339e-07 au
i 14.25661863256069 8.0473e-06 deg
node 178.5561016284196 2.4107e-05 deg
peri 276.3456073797648 9.2304e-05 deg
M 260.8316492268351 9.7449e-05 deg
tp 2460170.139582121038
(2023-Aug-13.63958212)
0.0011996 TDB
period 4246.014441913212
11.62
0.00027295
7.473e-07
d
yr
n .08478539226017978 5.4504e-09 deg/d
Q 5.450984074309556 2.3361e-07 au
  Orbit Determination Parameters
   # obs. used (total)      192  
   data-arc span      7124 days (19.50 yr)  
   first obs. used      2001-01-28  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54565  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 21:57:07  

Additional Information
 Earth MOID = 3.86634 au 
 Jupiter MOID = .155911 au 
 T_jup = 2.935 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457366.5 (2015-Dec-10.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06205013320119815 6.4368e-08  
q 4.812185906299334 4.5955e-07 au
tp 2455940.349750652787
(2012-Jan-13.84975065)
0.0010361 TDB
node 178.5931100321146 2.4108e-05 deg
peri 277.4258220841753 9.2639e-05 deg
i 14.25663432027257 8.0478e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      192  
   data-arc span      7124 days (19.50 yr)  
   first obs. used      2001-01-28  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54565  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 21:57:07  

Additional Information
 Jupiter MOID = .155911 au 
 T_jup = 2.935 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.14322721651345E-15 -2.706955445372346E-14 -9.409774846363876E-13 -7.874302502483612E-15 -4.031463012227358E-13 2.789504616978765E-16
q -2.706955445372346E-14 2.111883980563145E-13 1.184977872649699E-10 1.141669462811492E-13 1.309185590107858E-11 1.836898168673073E-14
tp -9.409774846363876E-13 1.184977872649699E-10 1.073580199843895E-6 3.376446703014397E-10 9.2447342349133E-8 4.152585210833829E-11
node -7.874302502483612E-15 1.141669462811492E-13 3.376446703014397E-10 5.811768811911337E-10 -5.321797181182724E-10 -5.664690395027623E-12
peri -4.031463012227358E-13 1.309185590107858E-11 9.2447342349133E-8 -5.321797181182724E-10 8.581953006173398E-9 9.670964562031783E-12
i 2.789504616978765E-16 1.836898168673073E-14 4.152585210833829E-11 -5.664690395027623E-12 9.670964562031783E-12 6.476652018226957E-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 13.2   n/a MPO434231  

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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