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168126 Chengbruce (2006 GK)
Classification: Main-belt Asteroid          SPK-ID: 2168126
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0829683531604291 4.1558e-08  
a 2.578242757791672 1.9206e-08 au
q 2.364330202129894 1.134e-07 au
i 9.192762095181289 6.8134e-06 deg
node 158.5045503994925 2.3792e-05 deg
peri 56.22113162443119 5.7558e-05 deg
M 140.8537064034668 5.1548e-05 deg
tp 2458408.870371252974
(2018-Oct-17.37037125)
0.00021362 TDB
period 1512.112615189849
4.14
1.6896e-05
4.626e-08
d
yr
n .2380775058574598 2.6602e-09 deg/d
Q 2.79215531345345 2.0799e-08 au
  Orbit Determination Parameters
   # obs. used (total)      470  
   data-arc span      5948 days (16.28 yr)  
   first obs. used      2002-03-21  
   last obs. used      2018-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60563  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 07:07:20  

Additional Information
 Earth MOID = 1.37354 au 
 Jupiter MOID = 2.19368 au 
 T_jup = 3.403 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456936.5 (2014-Oct-06.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08173346730710708 4.148e-08  
q 2.368079313525908 1.1301e-07 au
tp 2456896.918640823753
(2014-Aug-27.41864082)
0.00021064 TDB
node 158.5806228636861 2.3797e-05 deg
peri 56.51960360936685 5.8253e-05 deg
i 9.190353216418085 6.8114e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      470  
   data-arc span      5948 days (16.28 yr)  
   first obs. used      2002-03-21  
   last obs. used      2018-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60563  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 07:07:20  

Additional Information
 Jupiter MOID = 2.19368 au 
 T_jup = 3.403 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.720626742637518E-15 -4.634991095645193E-15 -4.848800871645059E-12 1.515661869125404E-14 -1.218800230685509E-12 8.425571448365495E-16
q -4.634991095645193E-15 1.277127799352957E-14 1.378018566367909E-11 -4.223895947459112E-14 3.463412175348364E-12 -1.961087324629125E-15
tp -4.848800871645059E-12 1.378018566367909E-11 4.436935782197296E-8 -1.104077711149488E-10 1.120922750335689E-8 -1.062549877573148E-11
node 1.515661869125404E-14 -4.223895947459112E-14 -1.104077711149488E-10 5.663175043590197E-10 -5.861242099282506E-10 -3.030863286946126E-11
peri -1.218800230685509E-12 3.463412175348364E-12 1.120922750335689E-8 -5.861242099282506E-10 3.39338900135188E-9 2.735860592959195E-11
i 8.425571448365495E-16 -1.961087324629125E-15 -1.062549877573148E-11 -3.030863286946126E-11 2.735860592959195E-11 4.639545599657757E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.9   n/a MPO436840  

168126 Chengbruce           Discovered 2006 Apr. 1 by Q.-z. Ye and T.-C. Yang at Lulin Observatory.
As a leading innovator of global vision, Bruce C. H. Cheng (b. 1936) has made important contributions to preserving the natural environment through energy-efficient technologies and public lectures. His vision has also guided the advancement of higher education in Taiwan.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20080520/MPCPages.arcLast Updated: 2008-05-22

Alternate Designations
 2006 GK = 2003 SB54 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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