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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05501610065942674 5.2156e-08  
a 2.87780668311912 2.3433e-08 AU
q 2.719480980962267 1.6026e-07 AU
i 1.80159992526536 5.1998e-06 deg
node 182.8903599310661 0.00015788 deg
peri 192.2607813486626 0.00016528 deg
M 329.7319093263625 5.0555e-05 deg
tp 2457150.424765296441
(2015-May-07.92476530)
0.00025079 JED
period 1783.162211606812
4.88
2.1779e-05
5.963e-08
d
yr
n .2018885313162862 2.4659e-09 deg/d
Q 3.036132385275973 2.4722e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1360  
   data-arc span      10594 days (29.00 yr)  
   first obs. used      1985-09-13  
   last obs. used      2014-09-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51171  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 14:13:17  

Additional Information
 Earth MOID = 1.71996 AU 
 T_jup = 3.292 
[ 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 13.1 mag n/a MPO302118  

8658 (1990 RG3)          Discovered 1990-Sep-14 by Holt, H. E. at Palomar (675)
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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