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 ]  
166747 Gordonrichards (2002 TB316)
Classification: Main-belt Asteroid          SPK-ID: 2166747
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2426567854651608 1.4202e-07  
a 3.140622981717383 4.4538e-08 AU
q 2.378529504615834 4.6094e-07 AU
i 16.6194468981468 1.4524e-05 deg
node 170.2989512968768 3.9168e-05 deg
peri 257.9457824593579 4.8128e-05 deg
M 10.38650438457085 2.9683e-05 deg
tp 2456741.847160584025
(2014-Mar-25.34716058)
0.0001668 JED
period 2032.928635847643
5.57
4.3244e-05
1.184e-07
d
yr
n .17708442571566 3.7669e-09 deg/d
Q 3.902716458818931 5.5345e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      128  
   data-arc span      5725 days (15.67 yr)  
   first obs. used      1998-02-27  
   last obs. used      2013-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .62235  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-11 11:52:59  

Additional Information
 Earth MOID = 1.45533 AU 
 T_jup = 3.101 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.5 mag n/a MPO236972  

166747 Gordonrichards           Discovered 2002 Oct. 4 by the Sloan Digital Sky Survey at Apache Point.
Gordon Richards (b. 1972) is an American astronomer and a contributor to the Sloan Digital Sky Survey, known for his work on the demographics and physics of quasars.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20130127/MPCPages.arcLast Updated: 2013-01-31

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Jul-22 13:26 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin