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JPL Small-Body Database Browser
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59038 (1998 SG147)
Classification: Main-belt Asteroid          SPK-ID: 2059038
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .174065980704842 5.5121e-08  
a 2.291538790942288 8.1745e-09 au
q 1.892659843973731 1.2597e-07 au
i 8.18395669505888 6.0471e-06 deg
node 23.45559814696105 3.1154e-05 deg
peri 5.366790355762353 3.4393e-05 deg
M 83.68864141926464 1.4483e-05 deg
tp 2458705.953908781103
(2019-Aug-10.45390878)
5.038e-05 TDB
period 1267.03685279797
3.47
6.7798e-06
1.856e-08
d
yr
n .2841274894293879 1.5203e-09 deg/d
Q 2.690417737910845 9.5974e-09 au
  Orbit Determination Parameters
   # obs. used (total)      693  
   data-arc span      9786 days (26.79 yr)  
   first obs. used      1993-03-20  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51065  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 09:46:26  

Additional Information
 Earth MOID = .897609 au 
 Jupiter MOID = 2.76044 au 
 T_jup = 3.564 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456585.5 (2013-Oct-20.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1746393132790535 5.5321e-08  
q 1.890758110398491 1.2649e-07 au
tp 2456170.580336692637
(2012-Aug-31.08033669)
4.6591e-05 TDB
node 23.49756263155497 3.1114e-05 deg
peri 4.940885782911872 3.4329e-05 deg
i 8.191732870319161 6.0509e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      693  
   data-arc span      9786 days (26.79 yr)  
   first obs. used      1993-03-20  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51065  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 09:46:26  

Additional Information
 Jupiter MOID = 2.76044 au 
 T_jup = 3.564 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.060467603364091E-15 -6.987562101891849E-15 -2.889900914687713E-14 1.151112728573963E-14 -1.330560942702532E-13 -2.776218270839208E-15
q -6.987562101891849E-15 1.599884262100967E-14 1.031402124679651E-13 -2.645179268511681E-14 3.168899603976681E-13 6.436590307686026E-15
tp -2.889900914687713E-14 1.031402124679651E-13 2.17069664136131E-9 -1.897704664765222E-12 6.794590663794032E-10 -3.061343015136957E-12
node 1.151112728573963E-14 -2.645179268511681E-14 -1.897704664765222E-12 9.680897869546349E-10 -9.583987086396655E-10 -5.968389153427079E-12
peri -1.330560942702532E-13 3.168899603976681E-13 6.794590663794032E-10 -9.583987086396655E-10 1.178467004289014E-9 5.06984280920081E-12
i -2.776218270839208E-15 6.436590307686026E-15 -3.061343015136957E-12 -5.968389153427079E-12 5.06984280920081E-12 3.661311247306107E-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 15.9   n/a MPO347914  

59038 (1998 SG147)          Discovered 1998-Sep-20 by Elst, E. W. at La Silla
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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