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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2034448982115106 1.3143e-07  
a 2.590305821782263 3.0574e-08 au
q 2.063321317533087 3.4287e-07 au
i 1.544660237634194 9.4657e-06 deg
node 193.82707968 0.00029472 deg
peri 200.7732686400604 0.00029624 deg
M 154.8731132319926 1.7137e-05 deg
tp 2456945.413699845250
(2014-Oct-14.91369985)
7.3925e-05 JED
period 1522.737311430203
4.17
2.6959e-05
7.381e-08
d
yr
n .2364163518538051 4.1857e-09 deg/d
Q 3.117290326031439 3.6794e-08 au
  Orbit Determination Parameters
   # obs. used (total)      261  
   data-arc span      8235 days (22.55 yr)  
   first obs. used      1993-09-18  
   last obs. used      2016-04-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53413  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 17:30:59  

Additional Information
 Earth MOID = 1.06852 au 
 Jupiter MOID = 2.31356 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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