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JPL Small-Body Database Browser
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266801 (2009 SR338)
Classification: Main-belt Asteroid          SPK-ID: 2266801
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1548972255058119 1.0813e-07  
a 3.078257252622988 5.7813e-08 au
q 2.601443744798544 3.5124e-07 au
i 11.06757643256835 1.0652e-05 deg
node 298.3877205732531 3.7419e-05 deg
peri 50.67125682440251 4.8643e-05 deg
M 298.6312115662949 3.1142e-05 deg
tp 2458936.779848067121
(2020-Mar-28.27984807)
0.0001759 TDB
period 1972.676150107508
5.40
5.5574e-05
1.522e-07
d
yr
n .1824932085179722 5.1412e-09 deg/d
Q 3.555070760447431 6.6768e-08 au
  Orbit Determination Parameters
   # obs. used (total)      150  
   data-arc span      7619 days (20.86 yr)  
   first obs. used      1998-08-27  
   last obs. used      2019-07-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58413  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:36:54  

Additional Information
 Earth MOID = 1.60962 au 
 Jupiter MOID = 1.90323 au 
 T_jup = 3.182 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6   n/a MPO321417  

266801 (2009 SR338)          Discovered 2009-Sep-18 by CSS at Catalina
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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