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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05513687055947956 5.6409e-08  
a 2.878071244803978 2.5049e-08 AU
q 2.719383403118261 1.6892e-07 AU
i 1.801386420849474 5.4742e-06 deg
node 182.8963189253186 0.00016327 deg
peri 192.2418139152144 0.00017074 deg
M 289.3801636584137 5.2102e-05 deg
tp 2457150.344413688119
(2015-May-07.84441369)
0.00025937 JED
period 1783.408110980815
4.88
2.3282e-05
6.374e-08
d
yr
n .2018606945787703 2.6353e-09 deg/d
Q 3.036759086489694 2.643e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1307  
   data-arc span      10524 days (28.81 yr)  
   first obs. used      1985-09-13  
   last obs. used      2014-07-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51571  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:19:56  

Additional Information
 Earth MOID = 1.71848 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 13.0 mag n/a MPO263426  

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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