Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
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 ]  
159778 Bobshelton (2003 MZ1)
Classification: Main-belt Asteroid          SPK-ID: 2159778
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1999362993677906 5.318e-08  
a 2.450509919346201 1.6021e-08 au
q 1.960564034508059 1.2659e-07 au
i 1.588621376795024 4.417e-06 deg
node 265.6687319874911 0.00033068 deg
peri 40.02967131284943 0.00033145 deg
M 119.8422322535416 2.442e-05 deg
tp 2458534.065663782622
(2019-Feb-19.56566378)
9.3101e-05 TDB
period 1401.145137909378
3.84
1.3741e-05
3.762e-08
d
yr
n .2569326975913068 2.5197e-09 deg/d
Q 2.940455804184344 1.9224e-08 au
  Orbit Determination Parameters
   # obs. used (total)      397  
   data-arc span      9976 days (27.31 yr)  
   first obs. used      1992-10-03  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56862  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 13:08:36  

Additional Information
 Earth MOID = .945844 au 
 Jupiter MOID = 2.30778 au 
 T_jup = 3.468 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.5   n/a MPO439947  

159778 Bobshelton           Discovered 2003 June 24 by D. Healy at Junk Bond Observatory.
Robert Shelton (b. 1948), nineteenth president of the University of Arizona, chaired the Keck Telescope Board from 1997 to 2000. His managerial and fundraising skills contributed to the success of the SOAR Telescope in Chile and the SALT facility in South Africa.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20080618/MPCPages.arcLast Updated: 2008-06-20

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-09 12:54 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin