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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1624272725384159 9.3606e-08  
a 2.781389679070276 2.2375e-08 AU
q 2.329616139632391 2.5487e-07 AU
i 8.353323783576611 9.3661e-06 deg
node 241.268988818544 4.3555e-05 deg
peri 146.4187152810858 4.9069e-05 deg
M 59.56066720681836 1.9982e-05 deg
tp 2456520.183773390608
(2013-Aug-15.68377339)
9.4078e-05 JED
period 1694.30341048679
4.64
2.0445e-05
5.598e-08
d
yr
n .212476701499744 2.5639e-09 deg/d
Q 3.233163218508161 2.6009e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      906  
   data-arc span      18756 days (51.35 yr)  
   first obs. used      1962-12-01  
   last obs. used      2014-04-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49996  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 22:44:07  

Additional Information
 Earth MOID = 1.33902 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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