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70647 (1999 TN244)
Classification: Main-belt Asteroid          SPK-ID: 2070647
[ 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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05588569646217363 4.6017e-08  
a 2.336518182296345 9.7539e-09 au
q 2.205940236382182 1.073e-07 au
i 7.98650461115002 4.9965e-06 deg
node 13.07962165425661 2.6907e-05 deg
peri 141.6004693120819 4.4706e-05 deg
M 139.9643755721764 3.5477e-05 deg
tp 2458493.314084765129
(2019-Jan-09.81408477)		 0.00012818 TDB
period 1304.524302974494
3.57		 8.1687e-06
2.236e-08		 d
yr
n .2759626625423158 1.728e-09 deg/d
Q 2.467096128210509 1.0299e-08 au
   Orbit Determination Parameters
   # obs. used (total)      889  
   data-arc span      7608 days (20.83 yr)  
   first obs. used      1999-09-30  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54667  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 06:28:38  

Additional Information
 Earth MOID = 1.21916 au 
 Jupiter MOID = 2.50707 au 
 T_jup = 3.552 
[ 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 MPO474585  
diameter diameter 2.317 km 0.226 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.208   0.045 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

70647 (1999 TN244)          Discovered 1999-Oct-07 by CSS at Catalina
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
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