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73670 Kurthopf (1982 QP)
Classification: Main-belt Asteroid          SPK-ID: 2073670
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1950869365638256 5.9424e-08  
a 2.479499484450875 1.536e-08 au
q 1.995781525817769 1.4827e-07 au
i 11.45758046775683 6.0379e-06 deg
node 301.4138851637159 1.9981e-05 deg
peri 19.63503239517341 2.2074e-05 deg
M 257.8005256164234 8.6136e-06 deg
tp 2459405.346716975547
(2021-Jul-09.84671698)
3.5081e-05 TDB
period 1426.081875569979
3.90
1.3251e-05
3.628e-08
d
yr
n .2524399237989856 2.3457e-09 deg/d
Q 2.963217443083981 1.8356e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1195  
   data-arc span      13680 days (37.45 yr)  
   first obs. used      1982-08-19  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48851  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 17:02:57  

Additional Information
 Earth MOID = .986109 au 
 Jupiter MOID = 2.35185 au 
 T_jup = 3.426 
[ show covariance matrix ]

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 14.0   n/a MPO351363  

73670 Kurthopf           Discovered 1982 Aug. 19 by C. S. and E. M. Shoemaker at Palomar.
Kurt Hopf (b. 1952) is a head teacher of the primary school in Hof, Germany. With enthusiasm and expertise he directed the Public Observatory Hof from 1976 until 2003 and has published astronomical articles and educational material for children. The name was suggested by G. and D. Heinlein.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20081113/MPCPages.arcLast Updated: 2008-11-17

[ show close-approach data ]
Alternate Designations
 1982 QP = 2000 AJ164 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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