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JPL Small-Body Database Browser
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13339 (1998 SF123)
Classification: Main-belt Asteroid          SPK-ID: 2013339
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09623999739211285 6.0885e-08  
a 2.967711292214849 1.791e-08 au
q 2.682098765191548 1.8439e-07 au
i 10.36413540800167 6.4904e-06 deg
node 14.13348641891573 2.6912e-05 deg
peri 308.5987588868863 3.6751e-05 deg
M 133.7985084645702 2.5023e-05 deg
tp 2458306.467717278392
(2018-Jul-06.96771728)
0.00012979 TDB
period 1867.372249862857
5.11
1.6905e-05
4.628e-08
d
yr
n .1927842721377267 1.7452e-09 deg/d
Q 3.25332381923815 1.9634e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1697  
   data-arc span      11409 days (31.24 yr)  
   first obs. used      1988-10-08  
   last obs. used      2020-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4471  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 23:05:44  

Additional Information
 Earth MOID = 1.68557 au 
 Jupiter MOID = 2.12461 au 
 T_jup = 3.232 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456676.5 (2014-Jan-19.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09867825571973349 6.1059e-08  
q 2.672332584951962 1.853e-07 au
tp 2456428.394623401422
(2013-May-15.89462340)
0.00012788 TDB
node 14.23105061582947 2.6967e-05 deg
peri 306.4246117227069 3.6439e-05 deg
i 10.36005786992033 6.4904e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1697  
   data-arc span      11409 days (31.24 yr)  
   first obs. used      1988-10-08  
   last obs. used      2020-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4471  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 23:05:44  

Additional Information
 Jupiter MOID = 2.12461 au 
 T_jup = 3.232 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.728215604637133E-15 -1.127357369157371E-14 3.382706454157945E-12 -1.27172168984631E-14 6.365738114861701E-13 2.813363372519264E-17
q -1.127357369157371E-14 3.433749727398725E-14 -1.033223894296439E-11 3.767399634741069E-14 -1.93765355359171E-12 1.091158690132138E-15
tp 3.382706454157945E-12 -1.033223894296439E-11 1.635413764279319E-8 -2.033761064842126E-11 3.162177749547291E-9 3.856035424311192E-13
node -1.27172168984631E-14 3.767399634741069E-14 -2.033761064842126E-11 7.27238299405958E-10 -7.188617742603974E-10 -7.044595864238604E-11
peri 6.365738114861701E-13 -1.93765355359171E-12 3.162177749547291E-9 -7.188617742603974E-10 1.327772648204477E-9 6.936996675839333E-11
i 2.813363372519264E-17 1.091158690132138E-15 3.856035424311192E-13 -7.044595864238604E-11 6.936996675839333E-11 4.212477561678176E-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 13.6   n/a MPO502269  
diameter diameter 7.675 km 0.138 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.144   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

13339 (1998 SF123)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20000124/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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