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 ]  
32784 (1989 AR)
Classification: Main-belt Asteroid          SPK-ID: 2032784
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2563978818343121 8.4315e-08  
a 2.592596255584801 2.5067e-08 AU
q 1.927860067201289 2.2771e-07 AU
i 7.845089809789779 9.2004e-06 deg
node 96.39902967191261 5.2797e-05 deg
peri 355.4223462840843 5.739e-05 deg
M 78.05644989515498 1.5011e-05 deg
tp 2456669.896798087196
(2014-Jan-12.39679809)
6.4667e-05 JED
period 1524.757439628276
4.17
2.2114e-05
6.054e-08
d
yr
n .2361031273851435 3.4243e-09 deg/d
Q 3.257332443968312 3.1495e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      668  
   data-arc span      9232 days (25.28 yr)  
   first obs. used      1988-12-07  
   last obs. used      2014-03-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5106  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 14:32:25  

Additional Information
 Earth MOID = .944371 AU 
 T_jup = 3.359 
[ 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 14.3 mag n/a MPO279857  

32784 (1989 AR)          Discovered 1989-Jan-04 by Ueda, S., Kaneda, H. at Kushiro (399)
Reference: 20020128/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1989 AR = 1998 HW105 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Oct-01 04:01 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin