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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02767313558432201 3.9441e-08  
a 2.632869446743831 1.2267e-08 au
q 2.56000969356827 1.0373e-07 au
i 2.654356696347213 4.3098e-06 deg
node 54.68027211489007 8.6498e-05 deg
peri 138.0757251932276 0.00011637 deg
M 243.9257642368203 7.9555e-05 deg
tp 2459703.624824431689
(2022-May-04.12482443)
0.00034575 TDB
period 1560.423255036096
4.27
1.0905e-05
2.986e-08
d
yr
n .2307066360605298 1.6124e-09 deg/d
Q 2.705729199919392 1.2607e-08 au
  Orbit Determination Parameters
   # obs. used (total)      626  
   data-arc span      9590 days (26.26 yr)  
   first obs. used      1994-10-12  
   last obs. used      2021-01-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60977  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 07:15:05  

Additional Information
 Earth MOID = 1.55756 au 
 Jupiter MOID = 2.2481 au 
 T_jup = 3.397 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457204.5 (2015-Jul-01.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02661073121965351 3.9867e-08  
q 2.563289021219382 1.0465e-07 au
tp 2456593.796773756402
(2013-Oct-28.29677376)
0.00034997 TDB
node 54.69528624137104 8.6438e-05 deg
peri 140.6912490579483 0.00011773 deg
i 2.656040670979434 4.3101e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      626  
   data-arc span      9590 days (26.26 yr)  
   first obs. used      1994-10-12  
   last obs. used      2021-01-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60977  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 07:15:05  

Additional Information
 Jupiter MOID = 2.2481 au 
 T_jup = 3.397 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.589385044230452E-15 -4.144847186765835E-15 1.871891457645886E-12 1.204420396944016E-15 4.126565403568938E-13 7.435061580487773E-16
q -4.144847186765835E-15 1.095178010658005E-14 -4.127555682182756E-12 -4.662331662854307E-15 -8.929203955024076E-13 -1.886290677832674E-15
tp 1.871891457645886E-12 -4.127555682182756E-12 1.224784656856794E-7 -2.92201030164545E-11 2.798617492930845E-8 -1.989342316821646E-12
node 1.204420396944016E-15 -4.662331662854307E-15 -2.92201030164545E-11 7.471601836482501E-9 -7.470069129406048E-9 -3.821400285255753E-11
peri 4.126565403568938E-13 -8.929203955024076E-13 2.798617492930845E-8 -7.470069129406048E-9 1.385961558047326E-8 3.772459742061554E-11
i 7.435061580487773E-16 -1.886290677832674E-15 -1.989342316821646E-12 -3.821400285255753E-11 3.772459742061554E-11 1.857719933048084E-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

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