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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2565133766252844 8.219e-08  
a 2.593395718818469 2.1851e-08 AU
q 1.928155026058787 2.2016e-07 AU
i 7.845291140652191 9.186e-06 deg
node 96.40332811519987 5.398e-05 deg
peri 355.4747684921037 5.8719e-05 deg
M 30.78737886781131 1.5831e-05 deg
tp 2456670.041666459283
(2014-Jan-12.54166646)
6.7496e-05 JED
period 1525.462764345965
4.18
1.928e-05
5.279e-08
d
yr
n .2359939609239484 2.9826e-09 deg/d
Q 3.258636411578152 2.7456e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      658  
   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      .5405  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 14:33:42  

Additional Information
 Earth MOID = .94433 AU 
 T_jup = 3.358 
[ 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 ]
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