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 ]  
8359 (1989 WD)
Classification: Main-belt Asteroid          SPK-ID: 2008359
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0658252479985809 6.4453e-08  
a 2.349624124232289 1.7028e-08 AU
q 2.19495953355125 1.5388e-07 AU
i 7.634571056366793 7.1661e-06 deg
node 63.28571141341927 4.5821e-05 deg
peri 128.7193091542864 7.0224e-05 deg
M 218.9946184166537 5.2471e-05 deg
tp 2457515.763291080951
(2016-May-07.26329108)
0.00019316 JED
period 1315.515639943849
3.60
1.4301e-05
3.915e-08
d
yr
n .273656951745071 2.9748e-09 deg/d
Q 2.504288714913327 1.8149e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      987  
   data-arc span      9109 days (24.94 yr)  
   first obs. used      1989-10-26  
   last obs. used      2014-10-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52901  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 14:12:36  

Additional Information
 Earth MOID = 1.20248 AU 
 T_jup = 3.544 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.2 mag n/a MPO296204  
rotation period rot_per 2.89111 h n/a Asteroid Lightcurve DataBase (Rev. 2014-Mar-01) Published Reference List:
[Higgins, D.; Warner, B.D. (2009) Minor Planet Bul. 36, 159-160.]
[Brinsfield, J.W. (2009) Minor Planet Bul. 36, 169.]

[ show close-approach data ]
Alternate Designations
 1989 WD = 1991 HB 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Oct-31 05:37 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin