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213891 (2003 SZ309)
Classification: Main-belt Asteroid          SPK-ID: 2213891
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1680780383527437 4.0492e-08  
a 2.678655140222906 1.9882e-08 au
q 2.228432038830746 1.1126e-07 au
i 7.816246452785776 4.8286e-06 deg
node 159.3332033007638 3.0643e-05 deg
peri 300.54511656 3.5607e-05 deg
M 261.6635284637799 2.242e-05 deg
tp 2459637.907025256749
(2022-Feb-27.40702526)
0.00010304 TDB
period 1601.303429261547
4.38
1.7828e-05
4.881e-08
d
yr
n .2248168544583812 2.503e-09 deg/d
Q 3.128878241615065 2.3224e-08 au
  Orbit Determination Parameters
   # obs. used (total)      465  
   data-arc span      6282 days (17.20 yr)  
   first obs. used      2003-09-26  
   last obs. used      2020-12-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54358  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:44:32  

Additional Information
 Earth MOID = 1.25686 au 
 Jupiter MOID = 2.0559 au 
 T_jup = 3.344 
[ show covariance matrix ]

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 15.99   n/a E2021B55  
diameter diameter 3.088 km 0.474 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.097   0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

213891 (2003 SZ309)          Discovered 2003-Sep-28 by LINEAR at Socorro
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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