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213016 (1995 SX51)
Classification: Main-belt Asteroid          SPK-ID: 2213016
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .193044033330053 7.6999e-08  
a 3.06425506618292 3.0237e-08 au
q 2.472718909054921 2.4985e-07 au
i 8.907210255444513 7.7731e-06 deg
node 15.9188654993605 3.9693e-05 deg
peri 359.2319409290941 4.3975e-05 deg
M 251.144870861831 2.4169e-05 deg
tp 2459792.923384125468
(2022-Aug-01.42338413)
0.00013848 TDB
period 1959.231686863953
5.36
2.9e-05
7.94e-08
d
yr
n .1837454969790911 2.7197e-09 deg/d
Q 3.655791223310919 3.6075e-08 au
  Orbit Determination Parameters
   # obs. used (total)      256  
   data-arc span      8983 days (24.59 yr)  
   first obs. used      1995-09-26  
   last obs. used      2020-04-30  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57727  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:41:00  

Additional Information
 Earth MOID = 1.4725 au 
 Jupiter MOID = 1.81015 au 
 T_jup = 3.186 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457046.5 (2015-Jan-24.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1928015835055223 7.6709e-08  
q 2.473570321880532 2.4867e-07 au
tp 2457835.953578580708
(2017-Mar-23.45357858)
0.00011729 TDB
node 15.94500300726075 3.9692e-05 deg
peri 359.719723238726 4.4028e-05 deg
i 8.907186591136313 7.7725e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      256  
   data-arc span      8983 days (24.59 yr)  
   first obs. used      1995-09-26  
   last obs. used      2020-04-30  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57727  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:41:00  

Additional Information
 Jupiter MOID = 1.81015 au 
 T_jup = 3.186 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.884333480113202E-15 -1.900879326149949E-14 -4.2660622701189E-12 9.631491509566558E-16 -6.19309923305061E-13 -1.225135027740981E-14
q -1.900879326149949E-14 6.183517165556902E-14 1.505720968953825E-11 2.293460383078047E-15 2.181462726499915E-12 4.28448640432463E-14
tp -4.2660622701189E-12 1.505720968953825E-11 1.37576020417755E-8 2.064107382212998E-11 2.263429337613148E-9 1.893719993915352E-11
node 9.631491509566558E-16 2.293460383078047E-15 2.064107382212998E-11 1.575434815221913E-9 -1.552585806671835E-9 -5.063867846601395E-11
peri -6.19309923305061E-13 2.181462726499915E-12 2.263429337613148E-9 -1.552585806671835E-9 1.938431416516317E-9 5.287293853010094E-11
i -1.225135027740981E-14 4.28448640432463E-14 1.893719993915352E-11 -5.063867846601395E-11 5.287293853010094E-11 6.041209236111633E-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 15.76   n/a E2021B55  

213016 (1995 SX51)          Discovered 1995-Sep-26 by Spacewatch at Kitt Peak
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

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