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78433 Gertrudolf (2002 QF56)
Classification: Main-belt Asteroid          SPK-ID: 2078433
[ 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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02784109175499177 4.6067e-08  
a 2.632278995632373 1.3532e-08 au
q 2.558993474590235 1.1837e-07 au
i 2.654602487800344 4.4251e-06 deg
node 54.68011438222024 9.5949e-05 deg
peri 138.3878503355516 0.00012313 deg
M 197.4632715777911 7.8953e-05 deg
tp 2459704.779938277579
(2022-May-05.27993828)		 0.00034344 TDB
period 1559.898370301421
4.27		 1.2029e-05
3.293e-08		 d
yr
n .2307842657277965 1.7796e-09 deg/d
Q 2.705564516674511 1.3909e-08 au
   Orbit Determination Parameters
   # obs. used (total)      590  
   data-arc span      9530 days (26.09 yr)  
   first obs. used      1994-10-12  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61785  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:06:31  

Additional Information
 Earth MOID = 1.55732 au 
 Jupiter MOID = 2.24935 au 
 T_jup = 3.397 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456993.5 (2014-Dec-02.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02653271121100154 4.6398e-08  
q 2.563406943399078 1.1905e-07 au
tp 2456593.029032341987
(2013-Oct-27.52903234)		 0.00035135 TDB
node 54.70111241425238 9.5887e-05 deg
peri 140.5150175625238 0.00012496 deg
i 2.656100210559219 4.4256e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      590  
   data-arc span      9530 days (26.09 yr)  
   first obs. used      1994-10-12  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61785  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:06:31  

Additional Information
 Jupiter MOID = 2.24935 au 
 T_jup = 3.397 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.15273366171082E-15 -5.492058524351224E-15 1.611052408409351E-12 7.51052761642103E-15 3.208162764833154E-13 8.772066622629322E-16
q -5.492058524351224E-15 1.417315707085957E-14 -3.501029420929213E-12 -2.00277585444477E-14 -6.722460879925113E-13 -2.195617797063737E-15
tp 1.611052408409351E-12 -3.501029420929213E-12 1.234479181807351E-7 2.182199402075526E-11 2.817157590062633E-8 -3.376440141865767E-12
node 7.51052761642103E-15 -2.00277585444477E-14 2.182199402075526E-11 9.194319804065252E-9 -9.179399599183247E-9 -7.956230832404397E-11
peri 3.208162764833154E-13 -6.722460879925113E-13 2.817157590062633E-8 -9.179399599183247E-9 1.561422130327871E-8 7.870151939175649E-11
i 8.772066622629322E-16 -2.195617797063737E-15 -3.376440141865767E-12 -7.956230832404397E-11 7.870151939175649E-11 1.95858880390661E-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 15.8   n/a MPO263930  

78433 Gertrudolf           Discovered 2002 Aug. 29 by S. F. Hönig at Palomar.
Gertrud (b. 1925) and Rudolf Hönig (1917-1993) are the grandparents of the discoverer. They woke and supported his interest in astronomy.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040504/MPCPages.arcLast Updated: 2004-05-11

[ show close-approach data ]
Alternate Designations
 2002 QF56 = 1998 SQ157 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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