Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1641699299803002 8.9376e-08  
a 2.778624595473167 2.1516e-08 au
q 2.322457990192797 2.4155e-07 au
i 8.353936622168385 7.0852e-06 deg
node 241.1073026791709 4.23e-05 deg
peri 146.3697983106037 4.6091e-05 deg
M 187.2279964541717 1.7596e-05 deg
tp 2458212.421625743207
(2018-Apr-03.92162574)
8.544e-05 JED
period 1691.77748286066
4.63
1.9651e-05
5.38e-08
d
yr
n .2127939422572694 2.4717e-09 deg/d
Q 3.234791200753536 2.5049e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1009  
   data-arc span      19136 days (52.39 yr)  
   first obs. used      1962-12-01  
   last obs. used      2015-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48828  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 16:37:10  

Additional Information
 Earth MOID = 1.33167 au 
 Jupiter MOID = 2.22613 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 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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2016-Feb-06 02:49 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin