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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1643850782184771 8.5632e-08  
a 2.778203261741851 2.0746e-08 au
q 2.321508101253589 2.3216e-07 au
i 8.355243376310115 7.0496e-06 deg
node 241.1045852817438 4.1281e-05 deg
peri 146.3576745314193 4.4765e-05 deg
M 229.822387267937 1.7465e-05 deg
tp 2458212.115177866226
(2018-Apr-03.61517787)
8.4485e-05 JED
period 1691.392701178414
4.63
1.8945e-05
5.187e-08
d
yr
n .2128423516012477 2.3841e-09 deg/d
Q 3.234898422230113 2.4156e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1114  
   data-arc span      19498 days (53.38 yr)  
   first obs. used      1962-12-01  
   last obs. used      2016-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .47818  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:34:59  

Additional Information
 Earth MOID = 1.3308 au 
 Jupiter MOID = 2.22478 au 
 T_jup = 3.299 
[ 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 13.0 mag n/a MPO365497  

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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