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

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1073018154457454 4.8688e-08  
a 2.230570360985448 1.0943e-08 AU
q 1.991226111772238 1.112e-07 AU
i 3.247468662417702 5.9244e-06 deg
node 328.0115767029312 8.8518e-05 deg
peri 280.8239618349592 9.4561e-05 deg
M 309.6696120744539 3.6283e-05 deg
tp 2456970.617931973442
(2014-Nov-09.11793197)
0.00012285 JED
period 1216.808731954046
3.33
8.954e-06
2.451e-08
d
yr
n .2958558650560338 2.1771e-09 deg/d
Q 2.469914610198659 1.2117e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1189  
   data-arc span      10993 days (30.10 yr)  
   first obs. used      1984-02-28  
   last obs. used      2014-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52476  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 13:54:19  

Additional Information
 Earth MOID = .980314 AU 
 T_jup = 3.633 
[ 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 14.2 mag n/a MPO256926  

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

[ show close-approach data ]
Alternate Designations
 1984 DD1 = 1985 SV3 = 1997 AN 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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