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JPL Small-Body Database Browser
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185159 (2006 SC212)
Classification: Main-belt Asteroid          SPK-ID: 2185159
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1533960039912041 7.2693e-08  
a 2.751364360694797 2.2482e-08 au
q 2.329316062240401 2.0243e-07 au
i 4.895072888646095 1.0737e-05 deg
node 184.1462193279486 5.1991e-05 deg
peri 236.7232001564071 7.0086e-05 deg
M 329.648141584468 4.072e-05 deg
tp 2459141.041108579784
(2020-Oct-18.54110858)
0.00018887 TDB
period 1666.942379476545
4.56
2.0432e-05
5.594e-08
d
yr
n .215964273529987 2.6471e-09 deg/d
Q 3.173412659149193 2.5931e-08 au
  Orbit Determination Parameters
   # obs. used (total)      252  
   data-arc span      7018 days (19.21 yr)  
   first obs. used      1999-03-20  
   last obs. used      2018-06-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5628  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 07:59:59  

Additional Information
 Earth MOID = 1.34616 au 
 Jupiter MOID = 2.171 au 
 T_jup = 3.323 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456908.5 (2014-Sep-08.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1526672702899178 7.551e-08  
q 2.332828078634124 2.1125e-07 au
tp 2457465.114292627908
(2016-Mar-17.61429263)
0.00018772 TDB
node 184.3044270673586 5.1839e-05 deg
peri 235.1667442099807 7.0184e-05 deg
i 4.900177811042982 1.0758e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      252  
   data-arc span      7018 days (19.21 yr)  
   first obs. used      1999-03-20  
   last obs. used      2018-06-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5628  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 07:59:59  

Additional Information
 Jupiter MOID = 2.171 au 
 T_jup = 3.323 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.701694388316917E-15 -1.588606484979118E-14 -1.140347805375437E-11 1.187111046649846E-13 -2.840638046848065E-12 -3.204388660001312E-15
q -1.588606484979118E-14 4.462539910009184E-14 3.196195374326614E-11 -3.347870083752811E-13 7.931255083906811E-12 9.151960778662363E-15
tp -1.140347805375437E-11 3.196195374326614E-11 3.523894296123505E-8 -3.273334304388846E-10 8.890086479849703E-9 5.406791366919299E-12
node 1.187111046649846E-13 -3.347870083752811E-13 -3.273334304388846E-10 2.687244008004761E-9 -2.75588237177241E-9 1.560130169088532E-10
peri -2.840638046848065E-12 7.931255083906811E-12 8.890086479849703E-9 -2.75588237177241E-9 4.925810115586363E-9 -1.543309198035778E-10
i -3.204388660001312E-15 9.151960778662363E-15 5.406791366919299E-12 1.560130169088532E-10 -1.543309198035778E-10 1.157303299060349E-10

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.5   n/a MPO454275  

185159 (2006 SC212)          Discovered 2006-Sep-26 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

Alternate Designations
 2006 SC212 = 2004 HS21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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