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8658 (1990 RG3)
Classification: Main-belt Asteroid          SPK-ID: 2008658
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05458241281894226 4.1807e-08  
a 2.876625654730554 1.7679e-08 au
q 2.71961248571849 1.2333e-07 au
i 1.801959925866996 4.2918e-06 deg
node 182.8951912892191 0.00014043 deg
peri 192.1339294211583 0.00014759 deg
M 91.03913979035961 4.4154e-05 deg
tp 2457149.839913630258
(2015-May-07.33991363)
0.00021923 JED
period 1782.064631395902
4.88
1.6428e-05
4.498e-08
d
yr
n .2020128752109343 1.8623e-09 deg/d
Q 3.033638823742617 1.8644e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1665  
   data-arc span      11176 days (30.60 yr)  
   first obs. used      1985-09-13  
   last obs. used      2016-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53181  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:03:04  

Additional Information
 Earth MOID = 1.71885 au 
 Jupiter MOID = 2.23773 au 
 T_jup = 3.293 
[ 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 13.2 mag n/a MPO365353  

8658 (1990 RG3)          Discovered 1990-Sep-14 by Holt, H. E. at Palomar
Reference: 19980511/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1990 RG3 = 1985 RH2 = 1993 FZ48 = 1996 XX25 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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