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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1218593090440953 8.715e-08  
a 2.938986691892124 2.5593e-08 AU
q 2.580843804328358 2.6346e-07 AU
i .8549446950161838 7.5237e-06 deg
node 305.6047071167681 0.00046375 deg
peri 55.35101136245295 0.00046437 deg
M 359.3989637788345 2.4067e-05 deg
tp 2457003.572507847207
(2014-Dec-12.07250785)
0.00012304 JED
period 1840.326399712543
5.04
2.4039e-05
6.582e-08
d
yr
n .1956174731048968 2.5552e-09 deg/d
Q 3.29712957945589 2.8712e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1062  
   data-arc span      12791 days (35.02 yr)  
   first obs. used      1979-09-24  
   last obs. used      2014-10-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .4901  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 14:22:25  

Additional Information
 Earth MOID = 1.57798 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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