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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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1858019958893092 4.7446e-08  
a 3.238734274111845 2.5522e-08 AU
q 2.636970981826752 1.5691e-07 AU
i .5535146196230482 5.6973e-06 deg
node 113.2849277815643 0.00066554 deg
peri 339.9322786805044 0.00066554 deg
M 260.4344604454575 1.7601e-05 deg
tp 2457589.300206374581
(2016-Jul-19.80020637)
0.00010534 JED
period 2128.930102153789
5.83
2.5164e-05
6.89e-08
d
yr
n .1690990228546237 1.9988e-09 deg/d
Q 3.840497566396939 3.0264e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1011  
   data-arc span      22944 days (62.82 yr)  
   first obs. used      1951-11-08  
   last obs. used      2014-09-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50507  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 13:44:32  

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 12.5 mag n/a MPO265977  

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

[ show close-approach data ]
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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