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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2024941221985808 1.6926e-07  
a 2.589240487293663 5.874e-08 AU
q 2.064934507658107 4.2758e-07 AU
i 1.540161063622551 1.1505e-05 deg
node 193.9235324145169 0.00054597 deg
peri 200.3860931307269 0.00054828 deg
M 326.0795021966363 3.6776e-05 deg
tp 2456943.889294282214
(2014-Oct-13.38929428)
0.00015707 JED
period 1521.798006645944
4.17
5.1786e-05
1.418e-07
d
yr
n .2365622759576635 8.05e-09 deg/d
Q 3.113546466929218 7.0634e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      120  
   data-arc span      6783 days (18.57 yr)  
   first obs. used      1993-09-18  
   last obs. used      2012-04-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58965  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-11 14:51:31  

Additional Information
 Earth MOID = 1.0702 AU 
 T_jup = 3.391 
[ 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 16.4 mag n/a MPO229830  

181711 (1993 SC9)          Discovered 1993-Sep-22 by Debehogne, H., Elst, E. W. at La Silla (809)
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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