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101713 Marston (1999 DG4)
Classification: Main-belt Asteroid          SPK-ID: 2101713
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2091104053200169 3.2882e-08  
a 3.120784068154514 1.7873e-08 au
q 2.468195646746472 1.0536e-07 au
i 2.592752165562547 4.0112e-06 deg
node 114.0451006277146 0.00010923 deg
peri 357.3136731717605 0.00011017 deg
M 12.0951199140025 1.2421e-05 deg
tp 2459132.844721703901
(2020-Oct-10.34472170)
6.9472e-05 TDB
period 2013.696462686474
5.51
1.7299e-05
4.736e-08
d
yr
n .1787757026298411 1.5358e-09 deg/d
Q 3.773372489562556 2.161e-08 au
  Orbit Determination Parameters
   # obs. used (total)      811  
   data-arc span      8059 days (22.06 yr)  
   first obs. used      1999-02-20  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49153  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:38:11  

Additional Information
 Earth MOID = 1.48471 au 
 Jupiter MOID = 1.35499 au 
 T_jup = 3.180 
[ 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 14.96   n/a E2021B55  
diameter diameter 5.697 km 0.106 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.086   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101713 Marston           Discovered 1999 Feb. 20 by R. A. Tucker at Goodricke-Pigott.
William Moulton Marston (1893-1947) was an American psychologist, author, inventor, and creator of the comic book character Wonder Woman, who first appeared in "All Star Comics" number 8 in December 1941. Marston also invented the systolic blood pressure test, a component of the modern polygraph.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2018-03-31Last Updated: 2018-04-05

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Alternate Designations
 1999 DG4 = 2003 YJ27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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