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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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2565133447663515 8.4322e-08  
a 2.593395701225367 2.5377e-08 AU
q 1.92815509560137 2.2804e-07 AU
i 7.845287174387706 9.2007e-06 deg
node 96.40333788842531 5.2788e-05 deg
peri 355.4747710790655 5.7364e-05 deg
M 30.78737125993418 1.5129e-05 deg
tp 2456670.041700024382
(2014-Jan-12.54170002)
6.4587e-05 JED
period 1525.462748823292
4.18
2.2391e-05
6.13e-08
d
yr
n .2359939633253555 3.4639e-09 deg/d
Q 3.258636306849363 3.1887e-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 = .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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