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12260 (1989 SP11)
Classification: Main-belt Asteroid          SPK-ID: 2012260
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1214147703863162 6.5168e-08  
a 2.938502971667871 2.1067e-08 au
q 2.581725308083308 1.921e-07 au
i .8547785263544673 6.4953e-06 deg
node 305.5957346655393 0.00038435 deg
peri 55.36498315201873 0.00038497 deg
M 116.8235193775406 2.1194e-05 deg
tp 2457003.443524477646
(2014-Dec-11.94352448)
0.00010798 JED
period 1839.872076558667
5.04
1.9786e-05
5.417e-08
d
yr
n .1956657773041216 2.1042e-09 deg/d
Q 3.295280635252433 2.3625e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1262  
   data-arc span      13310 days (36.44 yr)  
   first obs. used      1979-09-24  
   last obs. used      2016-03-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51026  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Mar-24 16:13:00  

Additional Information
 Earth MOID = 1.57763 au 
 Jupiter MOID = 2.14482 au 
 T_jup = 3.262 
[ 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 13.4 mag n/a MPO350899  

12260 (1989 SP11)          Discovered 1989-Sep-30 by Debehogne, H. at La Silla
Reference: 19991123/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1989 SP11 = 1979 SY8 = 1994 RB29 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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