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266818 (2009 TD11)
Classification: Main-belt Asteroid          SPK-ID: 2266818
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1787627535338863 6.7488e-08  
a 3.040389571067896 3.9726e-08 au
q 2.496881159528088 2.2003e-07 au
i 5.983680860047873 7.0913e-06 deg
node 157.9977834664886 4.467e-05 deg
peri 218.5598490678005 4.82e-05 deg
M 10.01914360570778 1.8512e-05 deg
tp 2458946.608486718720
(2020-Apr-07.10848672)
9.9052e-05 TDB
period 1936.387534180913
5.30
3.7952e-05
1.039e-07
d
yr
n .1859131984922011 3.6438e-09 deg/d
Q 3.583897982607705 4.6828e-08 au
  Orbit Determination Parameters
   # obs. used (total)      238  
   data-arc span      8568 days (23.46 yr)  
   first obs. used      1996-03-19  
   last obs. used      2019-09-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56947  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:36:56  

Additional Information
 Earth MOID = 1.5014 au 
 Jupiter MOID = 1.88759 au 
 T_jup = 3.207 
[ 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 16.1   n/a MPO454983  
diameter diameter 3.829 km 0.217 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.048   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

266818 (2009 TD11)          Discovered 2009-Oct-12 by La Sagra at La Sagra
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

[ show close-approach data ]
Alternate Designations
 2009 TD11 = 2006 BO91 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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