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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1853039319905911 8.2865e-08  
a 2.324050988978587 2.7714e-08 AU
q 1.893395202574233 1.9568e-07 AU
i 4.315205935131783 8.9027e-06 deg
node 81.57564096084968 0.00015094 deg
peri 304.574987315568 0.00015624 deg
M 186.9300260580366 4.507e-05 deg
tp 2457622.637145976130
(2016-Aug-22.13714598)
0.00017031 JED
period 1294.097222355345
3.54
2.3148e-05
6.338e-08
d
yr
n .2781862087183647 4.976e-09 deg/d
Q 2.754706775382942 3.285e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      141  
   data-arc span      6102 days (16.71 yr)  
   first obs. used      1998-09-26  
   last obs. used      2015-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .6775  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 16:24:51  

Additional Information
 Earth MOID = .90168 AU 
 T_jup = 3.549 
[ 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 17.0 mag n/a MPO241589  

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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