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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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05501610850509574 5.3602e-08  
a 2.877806686393131 2.3998e-08 AU
q 2.719480961477836 1.6317e-07 AU
i 1.8015993554005 5.3058e-06 deg
node 182.8903446836277 0.00016071 deg
peri 192.2608002019653 0.00016811 deg
M 329.7319042504038 5.1162e-05 deg
tp 2457150.424790694673
(2015-May-07.92479069)
0.00025386 JED
period 1783.162214649803
4.88
2.2305e-05
6.107e-08
d
yr
n .2018885309717606 2.5253e-09 deg/d
Q 3.036132411308425 2.5319e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1321  
   data-arc span      10553 days (28.89 yr)  
   first obs. used      1985-09-13  
   last obs. used      2014-08-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51414  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 14:13:04  

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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