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JPL Small-Body Database Browser
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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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08624527803926969 3.8385e-08  
a 2.996462599066884 1.6595e-08 au
q 2.738031849076088 1.1576e-07 au
i 12.23243860304854 4.3816e-06 deg
node 90.66115158911346 2.4015e-05 deg
peri 343.0949577382103 3.9469e-05 deg
M 172.0405877211275 3.0253e-05 deg
tp 2458095.100739136379
(2017-Dec-07.60073914)
0.00015863 TDB
period 1894.574636301802
5.19
1.5738e-05
4.309e-08
d
yr
n .1900162670301117 1.5785e-09 deg/d
Q 3.25489334905768 1.8026e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1557  
   data-arc span      16639 days (45.56 yr)  
   first obs. used      1974-06-18  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47249  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 23:58:48  

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

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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