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437989 (2003 SF423)
Classification: Main-belt Asteroid          SPK-ID: 2437989
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2064799811732403 3.2743e-07  
a 2.617232225730448 1.0952e-07 au
q 2.076826165035627 9.4215e-07 au
i 3.242160816720721 7.8095e-06 deg
node 210.5359492884813 0.00013198 deg
peri 87.73814307694484 0.00013772 deg
M 301.7811334616371 5.9268e-05 deg
tp 2458850.605395397935
(2020-Jan-02.10539540)
0.0002695 TDB
period 1546.542344377777
4.23
9.7072e-05
2.658e-07
d
yr
n .2327773315155101 1.4611e-08 deg/d
Q 3.157638286425268 1.3213e-07 au
  Orbit Determination Parameters
   # obs. used (total)      139  
   data-arc span      5766 days (15.79 yr)  
   first obs. used      2003-09-19  
   last obs. used      2019-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43039  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:38:07  

Additional Information
 Earth MOID = 1.06349 au 
 Jupiter MOID = 2.07169 au 
 T_jup = 3.374 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457408.5 (2016-Jan-21.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2058635755404173 3.2713e-07  
q 2.078694386571784 9.4097e-07 au
tp 2457305.052529180749
(2015-Oct-09.55252918)
0.00018164 TDB
node 210.5320026931645 0.00013197 deg
peri 87.92397125212509 0.00013781 deg
i 3.241744958290153 7.8088e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      139  
   data-arc span      5766 days (15.79 yr)  
   first obs. used      2003-09-19  
   last obs. used      2019-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43039  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:38:07  

Additional Information
 Jupiter MOID = 2.07169 au 
 T_jup = 3.374 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.070107902202456E-13 -3.077591939432427E-13 -5.082673156881843E-11 1.613426346021659E-12 -9.46405505035125E-12 -2.560762754945858E-13
q -3.077591939432427E-13 8.854316009137728E-13 1.469479902352884E-10 -4.662220211045379E-12 2.744599969481089E-11 7.381378231662388E-13
tp -5.082673156881843E-11 1.469479902352884E-10 3.299128924492807E-8 -9.431187156226068E-10 7.155719866333123E-9 1.272667719140437E-10
node 1.613426346021659E-12 -4.662220211045379E-12 -9.431187156226068E-10 1.741571524104749E-8 -1.7553093249031E-8 2.515922552392147E-10
peri -9.46405505035125E-12 2.744599969481089E-11 7.155719866333123E-9 -1.7553093249031E-8 1.899289478488604E-8 -2.307776664754832E-10
i -2.560762754945858E-13 7.381378231662388E-13 1.272667719140437E-10 2.515922552392147E-10 -2.307776664754832E-10 6.097688601575131E-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 17.4   n/a MPO434614  

437989 (2003 SF423)          Discovered 2003-Sep-19 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-07-06
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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