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6834 Hunfeld (1993 JH)
Classification: Main-belt Asteroid          SPK-ID: 2006834
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .23221269125215 4.6615e-08  
a 2.441973482885936 1.5545e-08 au
q 1.874916248458607 1.191e-07 au
i 4.265179799619446 5.9538e-06 deg
node 46.06219162596044 6.7059e-05 deg
peri 226.1982096368838 6.8795e-05 deg
M 318.491496497259 1.7874e-05 deg
tp 2457561.210561240074
(2016-Jun-21.71056124)
7.0101e-05 JED
period 1393.830111042338
3.82
1.3309e-05
3.644e-08
d
yr
n .2582811184433258 2.4662e-09 deg/d
Q 3.009030717313265 1.9155e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1280  
   data-arc span      16483 days (45.13 yr)  
   first obs. used      1970-04-09  
   last obs. used      2015-05-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50253  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 15:56:21  

Additional Information
 Earth MOID = .860391 au 
 Jupiter MOID = 2.10803 au 
 T_jup = 3.460 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.9 mag n/a MPO279587  

6834 Hunfeld           Discovered 1993 May 11 by Y. Shimizu and T. Urata at Nachi-Katsuura.
Jan Hunfeld (1934-2009) was a Dutch journalist at Boom-Pers in Meppel, publisher of the Meppeler Courant. In the 1980s and 1990s he edited a weekly science page in the Courant, in which he included news of the activities of the Royal Dutch amateur-astronomy society. The name was suggested by T. Jurriens.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20090607/MPCPages.arcLast Updated: 2009-06-08

Alternate Designations
 1993 JH = 1970 GP = 1978 PW4 = 1985 FW 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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