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70639 (1999 TO236)
Classification: Main-belt Asteroid          SPK-ID: 2070639
[ 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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04880269370197693 3.505e-08  
a 2.530610702320842 1.2165e-08 au
q 2.407110083336533 8.671e-08 au
i 7.238086432182627 3.3687e-06 deg
node 100.5042033921907 3.4227e-05 deg
peri 158.0092328267813 6.0047e-05 deg
M 175.8761506968769 5.0229e-05 deg
tp 2458282.142072866803
(2018-Jun-12.64207287)		 0.00020572 TDB
period 1470.403194198082
4.03		 1.0603e-05
2.903e-08		 d
yr
n .2448308065573363 1.7654e-09 deg/d
Q 2.654111321305151 1.2759e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1387  
   data-arc span      7714 days (21.12 yr)  
   first obs. used      1999-10-03  
   last obs. used      2020-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49593  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 21:54:53  

Additional Information
 Earth MOID = 1.39304 au 
 Jupiter MOID = 2.37715 au 
 T_jup = 3.438 
[ 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 14.3   n/a MPO502590  
diameter diameter 3.601 km 0.318 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.312   0.046 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70639 (1999 TO236)          Discovered 1999-Oct-03 by CSS at Catalina
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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