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 ]  
8510 (1991 PT8)
Classification: Main-belt Asteroid          SPK-ID: 2008510
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .1220705894068695 7.0293e-08  
a 2.980389298489109 3.2324e-08 AU
q 2.616571420160617 2.134e-07 AU
i 11.81028838725772 9.1217e-06 deg
node 154.6487873334566 3.9524e-05 deg
peri 281.0589005608542 6.0649e-05 deg
M 82.34667503524845 4.1047e-05 deg
tp 2456570.615796180808
(2013-Oct-05.11579618)
0.00021396 JED
period 1879.351088658585
5.15
3.0574e-05
8.371e-08
d
yr
n .1915554800657047 3.1163e-09 deg/d
Q 3.344207176817601 3.627e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      653  
   data-arc span      8329 days (22.80 yr)  
   first obs. used      1991-08-05  
   last obs. used      2014-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54294  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 13:39:58  

Additional Information
 Earth MOID = 1.66331 AU 
 T_jup = 3.216 
[ 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 13.5 mag n/a MPO279605  

8510 (1991 PT8)          Discovered 1991-Aug-05 by Holt, H. E. at Palomar (675)
Reference: 19980313/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 PT8 = 1992 WV8 = 1994 EA9 = 1995 OD10 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Sep-03 02:09 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin