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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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05588571564406433 4.3902e-08  
a 2.336518178126939 9.2228e-09 au
q 2.20594018762695 1.0136e-07 au
i 7.986501241255118 4.6059e-06 deg
node 13.07961255423968 2.6307e-05 deg
peri 141.600499072477 4.1533e-05 deg
M 139.9643581634482 3.2947e-05 deg
tp 2458493.314149206339
(2019-Jan-09.81414921)
0.00011856 TDB
period 1304.5242994827
3.57
7.7239e-06
2.115e-08
d
yr
n .2759626632809794 1.6339e-09 deg/d
Q 2.467096168626929 9.7382e-09 au
  Orbit Determination Parameters
   # obs. used (total)      934  
   data-arc span      7688 days (21.05 yr)  
   first obs. used      1999-09-30  
   last obs. used      2020-10-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5438  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:59:47  

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 ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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