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212619 (2006 TD9)
Classification: Main-belt Asteroid          SPK-ID: 2212619
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1159084439665239 5.6223e-08  
a 3.073370984337062 3.3852e-08 au
q 2.717141335810689 1.773e-07 au
i 7.845479404001654 6.2062e-06 deg
node 331.1132515889367 3.8539e-05 deg
peri 356.5791866444789 4.6039e-05 deg
M 229.612036761895 2.8793e-05 deg
tp 2459713.280660395303
(2022-May-13.78066040)
0.00016425 TDB
period 1967.981026544016
5.39
3.2515e-05
8.902e-08
d
yr
n .1829285928798808 3.0224e-09 deg/d
Q 3.429600632863434 3.7776e-08 au
  Orbit Determination Parameters
   # obs. used (total)      357  
   data-arc span      7203 days (19.72 yr)  
   first obs. used      2000-07-29  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56871  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 08:47:52  

Additional Information
 Earth MOID = 1.70581 au 
 Jupiter MOID = 1.90901 au 
 T_jup = 3.205 
[ 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 15.3   n/a MPO433390  
diameter diameter 4.979 km 0.354 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.059   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

212619 (2006 TD9)          Discovered 2006-Oct-11 by Spacewatch at Kitt Peak
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

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