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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2563978309210659 7.4479e-08  
a 2.592596273559463 2.0814e-08 AU
q 1.927860212564778 1.9778e-07 AU
i 7.845089570175559 8.2503e-06 deg
node 96.39902869229508 4.9657e-05 deg
peri 355.4223268032803 5.2218e-05 deg
M 78.05645968700766 1.2974e-05 deg
tp 2456669.896753176273
(2014-Jan-12.39675318)
5.4601e-05 JED
period 1524.757455485161
4.17
1.8362e-05
5.027e-08
d
yr
n .2361031249297627 2.8433e-09 deg/d
Q 3.257332334554148 2.6151e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      717  
   data-arc span      9666 days (26.46 yr)  
   first obs. used      1988-12-07  
   last obs. used      2015-05-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50224  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 17:08:07  

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
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 2015-Jul-01 01:53 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin