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269731 (1998 SG63)
Classification: Main-belt Asteroid          SPK-ID: 2269731
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1851667005421608 8.1151e-08  
a 2.324642491885534 2.7864e-08 au
q 1.894196111722983 1.9184e-07 au
i 4.314703819584785 8.8095e-06 deg
node 81.57241959744911 0.00014122 deg
peri 304.4833487079687 0.00014653 deg
M 353.8962614541712 4.6275e-05 deg
tp 2457622.449574532116
(2016-Aug-21.94957453)
0.00016672 JED
period 1294.591302073664
3.54
2.3276e-05
6.373e-08
d
yr
n .27808003917789 4.9997e-09 deg/d
Q 2.755088872048085 3.3023e-08 au
  Orbit Determination Parameters
   # obs. used (total)      144  
   data-arc span      6140 days (16.81 yr)  
   first obs. used      1998-09-26  
   last obs. used      2015-07-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .69171  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 20:34:24  

Additional Information
 Earth MOID = .901284 au 
 Jupiter MOID = 2.694 au 
 T_jup = 3.548 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.1 mag n/a MPO345685  

269731 (1998 SG63)          Discovered 1998-Sep-26 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20110418/Numbers.arcLast Updated: 2011-04-22

Alternate Designations
 1998 SG63 = 2005 OL6 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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