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15965 Robertcox (1998 DU7)
Classification: Main-belt Asteroid          SPK-ID: 2015965
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08624527755760208 3.8371e-08  
a 2.996462596061905 1.5641e-08 au
q 2.738031847773573 1.157e-07 au
i 12.23244000229866 4.1898e-06 deg
node 90.6611704874328 1.7735e-05 deg
peri 343.0949508141917 2.8482e-05 deg
M 172.0405779759277 2.3715e-05 deg
tp 2458095.100791784472
(2017-Dec-07.60079178)
0.00012201 TDB
period 1894.574633451864
5.19
1.4834e-05
4.061e-08
d
yr
n .1900162673159461 1.4878e-09 deg/d
Q 3.254893344350237 1.699e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1902  
   data-arc span      16846 days (46.12 yr)  
   first obs. used      1974-06-18  
   last obs. used      2020-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44662  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 01:03:08  

Additional Information
 Earth MOID = 1.75574 au 
 Jupiter MOID = 1.98377 au 
 T_jup = 3.214 
[ 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 12.8   n/a MPO384892  
diameter diameter 10.379 km 1.052 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.315   0.318 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15965 Robertcox           Discovered 1998 Feb. 23 by J. M. Roe at Oaxaca.
Robert E. Cox (1917-1989) contributed to amateur telescope making through his long-time editing of "Gleanings for Amateur Telescope Makers" in the magazine Sky and Telescope, as well as by devoting much personal time to amateur groups.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20001013/MPCPages.arcLast Updated: 2013-03-29

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