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6626 Mattgenge (1981 EZ46)
Classification: Main-belt Asteroid          SPK-ID: 2006626
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3874422055445147 4.6732e-08  
a 3.027115176447866 2.1188e-08 au
q 1.854282996047632 1.402e-07 au
i 2.120489076217644 5.8081e-06 deg
node 43.35603185831832 0.0001808 deg
peri 2.086046443074171 0.00018094 deg
M 345.5386546186215 1.4639e-05 deg
tp 2457677.776606570939
(2016-Oct-16.27660657)
7.8865e-05 JED
period 1923.719932819016
5.27
2.0198e-05
5.53e-08
d
yr
n .1871374277816296 1.9648e-09 deg/d
Q 4.1999473568481 2.9398e-08 au
  Orbit Determination Parameters
   # obs. used (total)      754  
   data-arc span      18873 days (51.67 yr)  
   first obs. used      1963-10-13  
   last obs. used      2015-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56047  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 11:54:36  

Additional Information
 Earth MOID = .862217 au 
 Jupiter MOID = 1.21765 au 
 T_jup = 3.124 
[ 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 14.2 mag n/a MPO299009  
rotation period rot_per 107.0814 h n/a LCDB (Rev. 2016-February); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2016) Astron. J. 150, A75.]

6626 Mattgenge           Discovered 1981 Mar. 2 by S. J. Bus at Siding Spring in the course of the U.K. Schmidt-Caltech Asteroid Survey.
Matthew Genge (b. 1968) is a planetary scientist at Imperial College, London. He is an expert in the study of micrometeorites and their possible sources among the minor planets.
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 EZ46 = 1963 TF 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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