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3821 Sonet (1985 RC3)
Classification: Outer Main-belt Asteroid          SPK-ID: 2003821
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1858019946618751 4.7258e-08  
a 3.238734273079935 2.5264e-08 AU
q 2.636970984961905 1.5655e-07 AU
i .5535145641344568 5.6923e-06 deg
node 113.284954238237 0.00065575 deg
peri 339.932252981169 0.00065575 deg
M 260.4344600575736 1.7552e-05 deg
tp 2457589.300208387007
(2016-Jul-19.80020839)
0.00010512 JED
period 2128.930101136325
5.83
2.491e-05
6.82e-08
d
yr
n .16909902293544 1.9786e-09 deg/d
Q 3.840497561197965 2.9958e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1026  
   data-arc span      22960 days (62.86 yr)  
   first obs. used      1951-11-08  
   last obs. used      2014-09-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50172  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 13:59:00  

Additional Information
 Earth MOID = 1.65343 AU 
 T_jup = 3.157 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.6 mag n/a MPO309178  

3821 Sonet           Discovered 1985 Sept. 6 by H. Debehogne at the European Southern Observatory.
Jean Sonet (1908-1987), a Belgian Jesuit, was a specialist in Romance languages, professor and later rector (1953-1958) of the University of Namur. From 1958 to his death he was Vice-Rector of the Catholic University of Cordoba (Argentina), where the discoverer met him. The name was suggested by A. Sonet.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010509/MPCPages.arcLast Updated: 2009-05-11

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Alternate Designations
 1985 RC3 = 1951 YV = 1979 QQ5 = 1982 DH5 = 1986 WH 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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