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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2090239317367543 4.0253e-08  
a 3.120369019705016 2.6955e-08 au
q 2.468137218736712 1.3756e-07 au
i 2.592744091873169 4.1679e-06 deg
node 114.0456280969777 0.00014722 deg
peri 357.3502243289935 0.00014816 deg
M 336.3114174064942 1.7961e-05 deg
tp 2459132.978053282774
(2020-Oct-10.47805328)
0.00010137 TDB
period 2013.294758922107
5.51
2.6088e-05
7.143e-08
d
yr
n .1788113729520359 2.317e-09 deg/d
Q 3.772600820673321 3.2589e-08 au
  Orbit Determination Parameters
   # obs. used (total)      612  
   data-arc span      7912 days (21.66 yr)  
   first obs. used      1999-02-20  
   last obs. used      2020-10-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54164  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:58:54  

Additional Information
 Earth MOID = 1.48477 au 
 Jupiter MOID = 1.35578 au 
 T_jup = 3.181 
[ 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 14.9   n/a MPO453471  
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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