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212783 (2007 TO203)
Classification: Main-belt Asteroid          SPK-ID: 2212783
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1124553955343811 6.1862e-08  
a 3.136218362630449 3.3412e-08 au
q 2.783533686178653 1.9589e-07 au
i 22.57811250241848 6.5546e-06 deg
node 48.82485159401861 1.8436e-05 deg
peri 83.91364213663346 4.547e-05 deg
M 23.69458570665989 3.6557e-05 deg
tp 2458866.977490656210
(2020-Jan-18.47749066)
0.00020626 TDB
period 2028.653463658315
5.55
3.2419e-05
8.876e-08
d
yr
n .1774576123764401 2.8359e-09 deg/d
Q 3.488903039082245 3.717e-08 au
  Orbit Determination Parameters
   # obs. used (total)      467  
   data-arc span      6763 days (18.52 yr)  
   first obs. used      2001-10-23  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56252  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 08:50:22  

Additional Information
 Earth MOID = 1.90763 au 
 Jupiter MOID = 1.83388 au 
 T_jup = 3.084 
[ 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 15.0   n/a MPO338564  
diameter diameter 4.381 km 0.972 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.101   0.090 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

212783 (2007 TO203)          Discovered 2007-Oct-08 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

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