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11866 (1989 SL12)
Classification: Main-belt Asteroid          SPK-ID: 2011866
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1606776541776948 5.3468e-08  
a 2.89566816925967 3.0275e-08 AU
q 2.430399000546007 1.6039e-07 AU
i .8328464913450214 6.7737e-06 deg
node 309.8788000103945 0.00051938 deg
peri 134.9115905669515 0.00052023 deg
M 336.8627056336803 2.9277e-05 deg
tp 2457116.172916651278
(2015-Apr-03.67291665)
0.00014711 JED
period 1799.789090943912
4.93
2.8226e-05
7.728e-08
d
yr
n .2000234370857285 3.1369e-09 deg/d
Q 3.360937337973334 3.5139e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      899  
   data-arc span      12289 days (33.65 yr)  
   first obs. used      1981-02-06  
   last obs. used      2014-09-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .47895  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 14:21:33  

Additional Information
 Earth MOID = 1.44633 AU 
 T_jup = 3.269 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.8 mag n/a MPO266021  

11866 (1989 SL12)          Discovered 1989-Sep-30 by Debehogne, H. at La Silla (809)
Reference: 19991026/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1989 SL12 = 1981 CC = 1991 BD3 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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