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7005 Henninghaack (1981 ET25)
Classification: Main-belt Asteroid          SPK-ID: 2007005
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0986873587479411 5.3308e-08  
a 2.419793127016531 1.4548e-08 AU
q 2.180990134594849 1.3088e-07 AU
i 6.174655722926146 6.5812e-06 deg
node 182.6025964673891 4.7535e-05 deg
peri 101.5022413491086 5.9374e-05 deg
M 253.7691010107679 3.5587e-05 deg
tp 2457406.208532170979
(2016-Jan-18.70853217)
0.00013591 JED
period 1374.883136368421
3.76
1.2399e-05
3.395e-08
d
yr
n .2618404360903678 2.3613e-09 deg/d
Q 2.658596119438214 1.5983e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1034  
   data-arc span      12088 days (33.10 yr)  
   first obs. used      1981-02-12  
   last obs. used      2014-03-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48235  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 18:51:51  

Additional Information
 Earth MOID = 1.17636 AU 
 T_jup = 3.500 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.1 mag n/a MPO250278  

7005 Henninghaack           Discovered 1981 Mar. 2 by S. J. Bus at Siding Spring in the course of the U.K. Schmidt-Caltech Asteroid Survey.
Henning Haack (b. 1961) is curator of meteorites at the Geological Museum in Copenhagen. His research includes the timing of formation, cooling history and parent body structures of iron meteorites.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20060809/MPCPages.arcLast Updated: 2007-08-08

[ show close-approach data ]
Alternate Designations
 1981 ET25 = 1990 UT3 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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