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20524 Bustersikes (1999 RJ42)
Classification: Main-belt Asteroid          SPK-ID: 2020524
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1630359805922217 9.0607e-08  
a 2.781553786280185 2.2275e-08 AU
q 2.328060437163988 2.4583e-07 AU
i 8.348851062124163 8.0555e-06 deg
node 241.196581068967 4.3033e-05 deg
peri 146.4768820700931 4.7565e-05 deg
M 101.9979179643408 1.8571e-05 deg
tp 2456520.414680149386
(2013-Aug-15.91468015)
8.7026e-05 JED
period 1694.453363319083
4.64
2.0354e-05
5.573e-08
d
yr
n .2124578981004438 2.552e-09 deg/d
Q 3.235047135396381 2.5906e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      932  
   data-arc span      19049 days (52.15 yr)  
   first obs. used      1962-12-01  
   last obs. used      2015-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49589  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 13:57:09  

Additional Information
 Earth MOID = 1.33853 AU 
 T_jup = 3.298 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.9 mag n/a MPO279728  

20524 Bustersikes           Discovered 1999 Sept. 13 by C. W. Juels at Fountain Hills.
Leon R. Sikes, III ("Buster", b. 1959), is a Florida businessman and amateur astronomer. Since 1999 he has coordinated an ongoing minor-planet astrometry program at Jupiter Observatory using automated equipment.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20031110/MPCPages.arcLast Updated: 2003-11-12

Alternate Designations
 1999 RJ42 = 1962 XD 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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