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JPL Small-Body Database Browser
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15023 Ketover (1998 SP156)
Classification: Main-belt Asteroid          SPK-ID: 2015023
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1488886802827409 3.3019e-08  
a 2.333653054934727 8.0114e-09 au
q 1.986198531347708 7.8039e-08 au
i 1.838872263192479 3.9461e-06 deg
node 269.7754079826731 0.00016118 deg
peri 148.0044642721743 0.00016239 deg
M 354.719897783642 1.9728e-05 deg
tp 2459019.598211159496
(2020-Jun-19.09821116)
7.1394e-05 TDB
period 1302.125552819497
3.57
6.7053e-06
1.836e-08
d
yr
n .2764710355468339 1.4237e-09 deg/d
Q 2.681107578521745 9.2042e-09 au
  Orbit Determination Parameters
   # obs. used (total)      908  
   data-arc span      11767 days (32.22 yr)  
   first obs. used      1987-09-18  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52105  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 23:53:29  

Additional Information
 Earth MOID = .99864 au 
 Jupiter MOID = 2.63582 au 
 T_jup = 3.553 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6   n/a MPO250360  
diameter diameter 2.395 km 0.443 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.194   0.070 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15023 Ketover           Discovered 1998 Sept. 26 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Daniel Jacob Ketover (b. 1985) was named a finalist in the 2003 Intel Science Talent Search, a science competition for high school seniors, for his physics project. He attends the Syosset High School, Syosset, New York.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030216/MPCPages.arcLast Updated: 2011-11-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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