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JPL Small-Body Database Browser
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266787 (2009 SJ260)
Classification: Main-belt Asteroid          SPK-ID: 2266787
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .114381705504423 7.4673e-08  
a 2.699365541866404 2.5719e-08 au
q 2.390607507407853 2.0438e-07 au
i 7.710856549860066 8.3512e-06 deg
node 19.37649051287706 4.5716e-05 deg
peri 7.355701422711562 5.5962e-05 deg
M 36.50418580959518 2.9032e-05 deg
tp 2458436.240255857524
(2018-Nov-13.74025586)
0.00013114 TDB
period 1619.910335755192
4.44
2.3152e-05
6.339e-08
d
yr
n .2222345225250817 3.1762e-09 deg/d
Q 3.008123576324953 2.8661e-08 au
  Orbit Determination Parameters
   # obs. used (total)      247  
   data-arc span      6249 days (17.11 yr)  
   first obs. used      2001-12-19  
   last obs. used      2019-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64757  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:00:37  

Additional Information
 Earth MOID = 1.39418 au 
 Jupiter MOID = 2.44584 au 
 T_jup = 3.346 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.1   n/a MPO460147  

266787 (2009 SJ260)          Discovered 2009-Sep-22 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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