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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1220089530093069 9.0425e-08  
a 2.939452579457588 3.347e-08 AU
q 2.580813047817461 2.7483e-07 AU
i .8549958657521585 7.7975e-06 deg
node 305.6083807584807 0.00052611 deg
peri 55.350055379719 0.00052688 deg
M 320.2843740481612 3.3567e-05 deg
tp 2457003.575263496793
(2014-Dec-12.07526350)
0.00017378 JED
period 1840.764009296972
5.04
3.144e-05
8.608e-08
d
yr
n .1955709684575438 3.3403e-09 deg/d
Q 3.298092111097715 3.7554e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      985  
   data-arc span      12330 days (33.76 yr)  
   first obs. used      1979-09-24  
   last obs. used      2013-06-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51215  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-05 17:03:49  

Additional Information
 Earth MOID = 1.57642 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 13.3 mag n/a MPO266023  

12260 (1989 SP11)          Discovered 1989-Sep-30 by Debehogne, H. at La Silla (809)
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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