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12556 Kyrobinson (1998 QG48)
Classification: Main-belt Asteroid          SPK-ID: 2012556
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06333642151970183 2.9671e-08  
a 2.381731034846455 7.6172e-09 au
q 2.230880714076864 7.2223e-08 au
i 6.457257217931766 3.6966e-06 deg
node 200.3190832932687 2.9158e-05 deg
peri 270.0299064994272 4.3412e-05 deg
M 213.5110021031832 3.3556e-05 deg
tp 2459546.811078781040
(2021-Nov-28.31107878)
0.00012609 TDB
period 1342.571737023591
3.68
6.4407e-06
1.763e-08
d
yr
n .2681420963010144 1.2864e-09 deg/d
Q 2.532581355616046 8.0997e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1908  
   data-arc span      13105 days (35.88 yr)  
   first obs. used      1984-12-22  
   last obs. used      2020-11-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47464  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:49:40  

Additional Information
 Earth MOID = 1.25864 au 
 Jupiter MOID = 2.53534 au 
 T_jup = 3.527 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457275.5 (2015-Sep-10.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06368917764354988 2.9511e-08  
q 2.229388199345673 7.1894e-08 au
tp 2456857.665371092791
(2014-Jul-19.16537109)
0.0001214 TDB
node 200.4134890138467 2.9132e-05 deg
peri 268.8597592739441 4.3363e-05 deg
i 6.460418897898261 3.698e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1908  
   data-arc span      13105 days (35.88 yr)  
   first obs. used      1984-12-22  
   last obs. used      2020-11-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47464  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:49:40  

Additional Information
 Jupiter MOID = 2.53534 au 
 T_jup = 3.527 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.709272295620216E-16 -2.111621844250523E-15 3.005229568561363E-13 5.466765364902443E-15 8.707487968003499E-14 3.042980920932566E-16
q -2.111621844250523E-15 5.168694312710569E-15 -4.594333363935956E-13 -1.280180120705447E-14 -1.370996462882459E-13 -5.062887670943934E-16
tp 3.005229568561363E-13 -4.594333363935956E-13 1.473868890982065E-8 6.684657558874894E-12 3.909620174534381E-9 6.575532840636002E-12
node 5.466765364902443E-15 -1.280180120705447E-14 6.684657558874894E-12 8.486905344714636E-10 -8.409078041707323E-10 -2.044336406380446E-11
peri 8.707487968003499E-14 -1.370996462882459E-13 3.909620174534381E-9 -8.409078041707323E-10 1.880330060520694E-9 2.20702253492042E-11
i 3.042980920932566E-16 -5.062887670943934E-16 6.575532840636002E-12 -2.044336406380446E-11 2.20702253492042E-11 1.367557110744101E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.4   n/a MPO473936  

12556 Kyrobinson           Discovered 1998 Aug. 17 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Kylan Thomas Robinson (b. 1985) is a finalist in the 2002 Intel International Science and Engineering Fair for his engineering project. He attends the Washington High School, Tacoma, Washington, U.S.A.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020724/MPCPages.arcLast Updated: 2003-10-02

[ show close-approach data ]
Alternate Designations
 1998 QG48 = 1984 YZ5 = 1989 EV4 = 1993 FR24 = 1997 JE16 = 1997 JW6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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