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226462 (2003 SP143)
Classification: Main-belt Asteroid          SPK-ID: 2226462
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09182630387175457 7.5291e-08  
a 3.12865912233516 3.1238e-08 au
q 2.841365919056474 2.5328e-07 au
i 9.420078910668698 5.0298e-06 deg
node 253.2097674400226 4.3432e-05 deg
peri 113.5522177824928 5.6428e-05 deg
M 14.6288366575309 3.5283e-05 deg
tp 2458918.362195790491
(2020-Mar-09.86219579)
0.00019769 TDB
period 2021.323377084869
5.53
3.0273e-05
8.288e-08
d
yr
n .1781011411044917 2.6674e-09 deg/d
Q 3.415952325613845 3.4107e-08 au
  Orbit Determination Parameters
   # obs. used (total)      324  
   data-arc span      5886 days (16.11 yr)  
   first obs. used      2003-09-17  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60946  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 00:52:45  

Additional Information
 Earth MOID = 1.85789 au 
 Jupiter MOID = 2.07323 au 
 T_jup = 3.187 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457359.5 (2015-Dec-03.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09487008207510239 7.7441e-08  
q 2.83138514461893 2.6148e-07 au
tp 2456879.316327595966
(2014-Aug-09.81632760)
0.0001743 TDB
node 253.4679606053446 4.369e-05 deg
peri 110.6684128901004 5.4899e-05 deg
i 9.388707491340929 5.0188e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      324  
   data-arc span      5886 days (16.11 yr)  
   first obs. used      2003-09-17  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60946  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 00:52:45  

Additional Information
 Jupiter MOID = 2.07323 au 
 T_jup = 3.187 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.997075488081401E-15 -2.017077869920272E-14 -4.631135975618437E-12 2.336457550743492E-16 -9.231813897705135E-13 -1.200275514968472E-14
q -2.017077869920272E-14 6.837116687405872E-14 1.55995965354909E-11 1.930644067454149E-15 3.126206553337956E-12 4.266363597830092E-14
tp -4.631135975618437E-12 1.55995965354909E-11 3.037960384547037E-8 -3.35861586560545E-12 5.874430018555374E-9 1.721311263081893E-11
node 2.336457550743492E-16 1.930644067454149E-15 -3.35861586560545E-12 1.908838858442097E-9 -1.884693234961234E-9 -9.102913183219224E-12
peri -9.231813897705135E-13 3.126206553337956E-12 5.874430018555374E-9 -1.884693234961234E-9 3.013919761872002E-9 1.22478426008985E-11
i -1.200275514968472E-14 4.266363597830092E-14 1.721311263081893E-11 -9.102913183219224E-12 1.22478426008985E-11 2.518861634287214E-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 15.2   n/a MPO494242  

226462 (2003 SP143)          Discovered 2003-Sep-20 by NEAT at Palomar
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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