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 ]  
20084 Buckmaster (1994 GU9)
Classification: Main-belt Asteroid          SPK-ID: 2020084
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1213729569790098 9.3526e-08  
a 2.300840687728263 2.3606e-08 AU
q 2.021580849921065 2.0992e-07 AU
i 21.9632339468668 9.7632e-06 deg
node 125.6314596556085 2.2028e-05 deg
peri 123.946208013905 3.92e-05 deg
M 277.9839608203447 3.2808e-05 deg
tp 2457290.918676038548
(2015-Sep-25.41867604)
0.00011696 JED
period 1274.759478994832
3.49
1.9618e-05
5.371e-08
d
yr
n .2824062153935625 4.3461e-09 deg/d
Q 2.580100525535461 2.6471e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      546  
   data-arc span      8826 days (24.16 yr)  
   first obs. used      1990-01-24  
   last obs. used      2014-03-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .45988  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 14:06:55  

Additional Information
 Earth MOID = 1.06317 AU 
 T_jup = 3.486 
[ 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 13.5 mag n/a MPO296298  

20084 Buckmaster           Discovered 1994 Apr. 6 by C. S. Shoemaker and D. H. Levy at Palomar.
Bill Buckmaster (b. 1947) is anchor of the long-running news magazine program Arizona Illustrated, the centerpiece of public broadcasting at the University of Arizona. His coverage of events and the passage of life in southern Arizona is thorough and thought-provoking.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040504/MPCPages.arcLast Updated: 2004-05-11

Alternate Designations
 1994 GU9 = 1990 BL3 = 1998 MS5 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Oct-30 23:38 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin