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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2023956998950562 1.4231e-07  
a 2.588889360060631 4.0586e-08 AU
q 2.064909286080295 3.7593e-07 AU
i 1.540269994507826 1.1438e-05 deg
node 193.9239952816909 0.00042053 deg
peri 200.4070139012584 0.00042298 deg
M 13.38038932499228 2.6254e-05 deg
tp 2456943.949700132211
(2014-Oct-13.44970013)
0.0001114 JED
period 1521.488460308004
4.17
3.5779e-05
9.796e-08
d
yr
n .2366104044766288 5.5641e-09 deg/d
Q 3.112869434040966 4.8801e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      141  
   data-arc span      7713 days (21.12 yr)  
   first obs. used      1993-09-18  
   last obs. used      2014-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .59733  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 17:12:58  

Additional Information
 Earth MOID = 1.07122 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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