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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2559944329832184 7.3857e-08  
a 2.593256371457798 2.0372e-08 au
q 1.92939717706634 1.9595e-07 au
i 7.843803166993951 8.153e-06 deg
node 96.39984441251779 4.8799e-05 deg
peri 355.4160198568127 5.1252e-05 deg
M 219.7226580694377 1.3086e-05 deg
tp 2458194.862819876527
(2018-Mar-17.36281988)
5.7747e-05 JED
period 1525.339817612639
4.18
1.7974e-05
4.921e-08
d
yr
n .2360129827092878 2.7811e-09 deg/d
Q 3.257115565849255 2.5587e-08 au
  Orbit Determination Parameters
   # obs. used (total)      731  
   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      .49973  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Feb-25 21:27:03  

Additional Information
 Earth MOID = .944535 au 
 Jupiter MOID = 1.96281 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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