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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08411578539319875 1.917e-08  
a 3.002125707907342 1.4536e-08 au
q 2.749599546137603 6.0663e-08 au
i 12.21267288800905 1.1323e-06 deg
node 90.62568598458503 3.8699e-06 deg
peri 342.7473376309725 1.4828e-05 deg
M 247.4985269135094 1.6682e-05 deg
tp 2459990.241554847008
(2023-Feb-14.74155485)
8.9453e-05 TDB
period 1899.948097395981
5.20
1.3799e-05
3.778e-08
d
yr
n .1894788602348699 1.3761e-09 deg/d
Q 3.25465186967708 1.5758e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2028  
   data-arc span      17173 days (47.02 yr)  
   first obs. used      1974-06-18  
   last obs. used      2021-06-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44828  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 03:59:32  

Additional Information
 Earth MOID = 1.76722 au 
 Jupiter MOID = 1.98439 au 
 T_jup = 3.213 
[ 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 12.89   n/a E2021B10  
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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