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181711 (1993 SC9)
Classification: Main-belt Asteroid          SPK-ID: 2181711
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2027611583053885 1.4039e-07  
a 2.590973836734039 3.7964e-08 au
q 2.065624980458888 3.7252e-07 au
i 1.541561957043487 1.0847e-05 deg
node 193.8558035883465 0.00037244 deg
peri 200.6897933732858 0.00037495 deg
M 107.7295718185881 2.3837e-05 deg
tp 2456944.646387123907
(2014-Oct-14.14638712)
0.00010572 JED
period 1523.326398361102
4.17
3.348e-05
9.166e-08
d
yr
n .2363249270723021 5.1941e-09 deg/d
Q 3.116322693009189 4.5661e-08 au
  Orbit Determination Parameters
   # obs. used (total)      237  
   data-arc span      7799 days (21.35 yr)  
   first obs. used      1993-09-18  
   last obs. used      2015-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50169  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 21:18:33  

Additional Information
 Earth MOID = 1.07082 au 
 Jupiter MOID = 2.31592 au 
 T_jup = 3.390 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.6 mag n/a MPO352114  

181711 (1993 SC9)          Discovered 1993-Sep-22 by Debehogne, H., Elst, E. W. at La Silla
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

Alternate Designations
 1993 SC9 = 2000 JL4 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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