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70509 (1999 TD103)
Classification: Main-belt Asteroid          SPK-ID: 2070509
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1342602089724501 5.4873e-08  
a 2.696164652865511 2.2177e-08 au
q 2.334177023147654 1.5065e-07 au
i 16.03961370947947 5.0155e-06 deg
node 99.94039680456852 2.3262e-05 deg
peri 301.0927996939311 3.1369e-05 deg
M 234.9091991982135 2.5306e-05 deg
tp 2459562.376560152334
(2021-Dec-13.87656015)		 0.00011751 TDB
period 1617.029872367332
4.43		 1.9951e-05
5.462e-08		 d
yr
n .2226303954873511 2.7469e-09 deg/d
Q 3.058152282583367 2.5155e-08 au
   Orbit Determination Parameters
   # obs. used (total)      532  
   data-arc span      7231 days (19.80 yr)  
   first obs. used      1999-10-02  
   last obs. used      2019-07-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56859  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:00:20  

Additional Information
 Earth MOID = 1.38657 au 
 Jupiter MOID = 2.34961 au 
 T_jup = 3.301 
[ 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 15.0   n/a MPO337794  
diameter diameter 3.128 km 0.383 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.217   0.080 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70509 (1999 TD103)          Discovered 1999-Oct-02 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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