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243653 (1999 TD265)
Classification: Main-belt Asteroid          SPK-ID: 2243653
[ 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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2184026603932499 5.7935e-08  
a 3.119983112174815 2.7686e-08 au
q 2.438570500093824 1.8113e-07 au
i 17.53872945511626 7.8018e-06 deg
node 239.5687308960775 1.7742e-05 deg
peri 124.1468019063146 2.4364e-05 deg
M 263.8421834130171 1.8534e-05 deg
tp 2459538.161432068241
(2021-Nov-19.66143207)		 0.0001087 TDB
period 2012.921283102108
5.51		 2.6793e-05
7.336e-08		 d
yr
n .1788445494724985 2.3805e-09 deg/d
Q 3.801395724255805 3.3733e-08 au
   Orbit Determination Parameters
   # obs. used (total)      472  
   data-arc span      7616 days (20.85 yr)  
   first obs. used      1999-08-11  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58443  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 04:35:20  

Additional Information
 Earth MOID = 1.48584 au 
 Jupiter MOID = 1.89936 au 
 T_jup = 3.109 
[ 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 14.7   n/a MPO396767  
diameter diameter 5.278 km 0.171 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.110   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243653 (1999 TD265)          Discovered 1999-Oct-03 by LINEAR at Socorro
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

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