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32784 (1989 AR)
Classification: Main-belt Asteroid          SPK-ID: 2032784
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .256397879063159 8.3233e-08  
a 2.592596256579063 2.462e-08 AU
q 1.927860075125106 2.2445e-07 AU
i 7.845089097658797 9.1183e-06 deg
node 96.39902684563599 5.2579e-05 deg
peri 355.4223479033752 5.6917e-05 deg
M 78.05645046334283 1.4794e-05 deg
tp 2456669.896795490493
(2014-Jan-12.39679549)
6.3605e-05 JED
period 1524.757440505394
4.17
2.1719e-05
5.946e-08
d
yr
n .2361031272493249 3.3631e-09 deg/d
Q 3.25733243803302 3.0932e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      672  
   data-arc span      9607 days (26.30 yr)  
   first obs. used      1988-12-07  
   last obs. used      2015-03-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50944  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 17:37:52  

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 ]
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