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8335 Sarton (1984 DD1)
Classification: Main-belt Asteroid          SPK-ID: 2008335
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1074877526623455 2.7839e-08  
a 2.230739338450774 6.5779e-09 au
q 1.990962180185213 6.1032e-08 au
i 3.24613903759097 4.138e-06 deg
node 327.962259499773 5.3634e-05 deg
peri 280.6141288075131 5.74e-05 deg
M 122.3911856736544 2.0387e-05 deg
tp 2458186.767814632373
(2018-Mar-09.26781463)
6.8966e-05 TDB
period 1216.947004088115
3.33
5.3827e-06
1.474e-08
d
yr
n .2958222492767925 1.3085e-09 deg/d
Q 2.470516496716335 7.285e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2010  
   data-arc span      13063 days (35.76 yr)  
   first obs. used      1984-02-28  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50396  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 22:39:49  

Additional Information
 Earth MOID = .979935 au 
 Jupiter MOID = 2.55643 au 
 T_jup = 3.632 
[ 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 14.3   n/a MPO452287  
diameter diameter 3.723 km 0.130 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.168   0.056 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

8335 Sarton           Discovered 1984 Feb. 28 by H. Debehogne at the European Southern Observatory.
Belgian-born mathematician George Alfred Leon Sarton (1884-1956) moved to the U.S. in 1915. Founder of the magazines Isis and Osiris, author of influential books and a professor at Harvard University, he is credited with introducing the history of science as an important field of study in the U.S.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20060809/MPCPages.arcLast Updated: 2007-08-08

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Alternate Designations
 1984 DD1 = 1985 SV3 = 1997 AN 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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