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85119 Hannieschaft (1972 RD)
Classification: Mars-crossing Asteroid          SPK-ID: 2085119
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1435240134282667 5.6457e-08  
a 1.921292502545065 1.0336e-08 au
q 1.645540891610159 1.0473e-07 au
i 19.81787894084624 7.811e-06 deg
node 351.7696696161539 1.2604e-05 deg
peri 63.01490478505158 2.9912e-05 deg
M 281.2304606510692 2.9227e-05 deg
tp 2459213.335693961886
(2020-Dec-29.83569396)
8.002e-05 TDB
period 972.7218219071503
2.66
7.8496e-06
2.149e-08
d
yr
n .3700955318285882 2.9866e-09 deg/d
Q 2.197044113479972 1.182e-08 au
  Orbit Determination Parameters
   # obs. used (total)      389  
   data-arc span      17486 days (47.87 yr)  
   first obs. used      1972-09-15  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51412  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 07:54:59  

Additional Information
 Earth MOID = .716686 au 
 Jupiter MOID = 3.16901 au 
 T_jup = 3.840 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457445.5 (2016-Feb-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1435286498358403 5.6464e-08  
q 1.645517747897257 1.0482e-07 au
tp 2457267.826808349944
(2015-Sep-02.32680835)
7.1409e-05 TDB
node 351.8179022500752 1.2602e-05 deg
peri 62.93967939944106 2.99e-05 deg
i 19.82031197198113 7.8116e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      389  
   data-arc span      17486 days (47.87 yr)  
   first obs. used      1972-09-15  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51412  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 07:54:59  

Additional Information
 Jupiter MOID = 3.16901 au 
 T_jup = 3.840 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.18813089773559E-15 -5.901840277621661E-15 -3.417753134119013E-13 -1.598356546943611E-14 -2.754183909642308E-13 -3.604511156718124E-15
q -5.901840277621661E-15 1.098650669049478E-14 9.534322181312517E-13 2.967490001000132E-14 6.27994837593737E-13 3.372975853908219E-15
tp -3.417753134119013E-13 9.534322181312517E-13 5.099311427857913E-9 -3.37571759495123E-12 1.933910062269027E-9 -5.423280860721397E-11
node -1.598356546943611E-14 2.967490001000132E-14 -3.37571759495123E-12 1.588102583435625E-10 -1.490860836944416E-10 -6.94014506090224E-13
peri -2.754183909642308E-13 6.27994837593737E-13 1.933910062269027E-9 -1.490860836944416E-10 8.939806194543453E-10 -1.949729527968642E-11
i -3.604511156718124E-15 3.372975853908219E-15 -5.423280860721397E-11 -6.94014506090224E-13 -1.949729527968642E-11 6.102178606931007E-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 16.5   n/a MPO366210  

85119 Hannieschaft           Discovered 1972 Sept. 15 by T. Gehrels at Palomar.
With code name "Hannie", Jannetje Johanna Schaft (1920-1945) was a member of the Dutch Resistance during World War II. Her nickname was "Het meisje met het rode haar" (the girl with the red hair), which is also the title of a book and film about her. She was executed three weeks before the end of the war.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20080122/MPCPages.arcLast Updated: 2008-03-05

Alternate Designations
 1972 RD = 2003 ES43 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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