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12231 (1986 QQ1)
Classification: Main-belt Asteroid          SPK-ID: 2012231
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2163403472743245 5.9032e-08  
a 2.540988971251012 2.0289e-08 AU
q 1.991270534790339 1.4895e-07 AU
i 2.813693861420429 5.1736e-06 deg
node 27.82356837281099 0.00015287 deg
peri 20.40800499490085 0.00015305 deg
M 250.3416726388949 2.2136e-05 deg
tp 2457251.152426085019
(2015-Aug-16.65242608)
9.3023e-05 JED
period 1479.457851444031
4.05
1.7719e-05
4.851e-08
d
yr
n .2433323799313515 2.9144e-09 deg/d
Q 3.090707407711684 2.4678e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      896  
   data-arc span      14506 days (39.72 yr)  
   first obs. used      1974-10-19  
   last obs. used      2014-07-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51572  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:27:58  

Additional Information
 Earth MOID = 1.00036 AU 
 T_jup = 3.411 
[ 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 14.1 mag n/a MPO263459  

12231 (1986 QQ1)          Discovered 1986-Aug-27 by Debehogne, H. at La Silla (809)
Reference: 19991123/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1986 QQ1 = 1974 UR = 1997 GN36 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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