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185759 (1999 TO43)
Classification: Main-belt Asteroid          SPK-ID: 2185759
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1867345282570338 9.1775e-08  
a 3.094725736129992 5.3191e-08 au
q 2.516833585708857 2.9438e-07 au
i 14.62179434115003 1.3416e-05 deg
node 357.5434818171876 3.633e-05 deg
peri 294.2687875853364 5.5726e-05 deg
M 333.8501543382968 5.4024e-05 deg
tp 2459144.943600679279
(2020-Oct-22.44360068)
0.00030105 TDB
period 1988.527845144979
5.44
5.1267e-05
1.404e-07
d
yr
n .1810384505698251 4.6674e-09 deg/d
Q 3.672617886551128 6.3124e-08 au
  Orbit Determination Parameters
   # obs. used (total)      141  
   data-arc span      7095 days (19.43 yr)  
   first obs. used      1999-10-03  
   last obs. used      2019-03-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59529  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:33:19  

Additional Information
 Earth MOID = 1.54371 au 
 Jupiter MOID = 1.84817 au 
 T_jup = 3.148 
[ 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 15.8   n/a MPO433219  
diameter diameter 4.445 km 0.225 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.043   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

185759 (1999 TO43)          Discovered 1999-Oct-03 by Spacewatch at Kitt Peak
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

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