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159999 Michaelgriffin (2006 EZ67)
Classification: Main-belt Asteroid          SPK-ID: 2159999
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03918995785697736 1.0501e-07  
a 2.829970034406326 2.7563e-08 au
q 2.719063628021433 2.8432e-07 au
i 2.415527829197714 7.5362e-06 deg
node 149.7851005693718 0.00014491 deg
peri 223.227930797779 0.00016775 deg
M 135.9242820786114 7.9836e-05 deg
tp 2458343.953138871281
(2018-Aug-13.45313887)
0.0003875 TDB
period 1738.886285745784
4.76
2.5404e-05
6.955e-08
d
yr
n .2070290639192666 3.0246e-09 deg/d
Q 2.940876440791218 2.8643e-08 au
  Orbit Determination Parameters
   # obs. used (total)      214  
   data-arc span      9257 days (25.34 yr)  
   first obs. used      1994-09-29  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61682  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 13:12:16  

Additional Information
 Earth MOID = 1.71899 au 
 Jupiter MOID = 2.23575 au 
 T_jup = 3.311 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457168.5 (2015-May-26.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03689367810012891 1.0489e-07  
q 2.727622719698229 2.8275e-07 au
tp 2456598.268640998390
(2013-Nov-01.76864100)
0.00041759 TDB
node 149.7935377531238 0.00014493 deg
peri 222.1399402553218 0.00017018 deg
i 2.413508457105966 7.535e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      214  
   data-arc span      9257 days (25.34 yr)  
   first obs. used      1994-09-29  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61682  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 13:12:16  

Additional Information
 Jupiter MOID = 2.23575 au 
 T_jup = 3.311 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.100183512152043E-14 -2.956193154640879E-14 -1.90799031223853E-11 8.255617736957216E-14 -4.388704051572098E-12 -2.233013717764325E-15
q -2.956193154640879E-14 7.994707690336158E-14 5.098965945512667E-11 -2.243727100820757E-13 1.176813724355623E-11 6.124710348858317E-15
tp -1.90799031223853E-11 5.098965945512667E-11 1.743785160193881E-7 -2.756041512085324E-10 3.725497687956154E-8 -2.53587066978951E-12
node 8.255617736957216E-14 -2.243727100820757E-13 -2.756041512085324E-10 2.10060829274786E-8 -2.104749247794607E-8 2.833806131896445E-10
peri -4.388704051572098E-12 1.176813724355623E-11 3.725497687956154E-8 -2.104749247794607E-8 2.896157346709236E-8 -2.836122577202161E-10
i -2.233013717764325E-15 6.124710348858317E-15 -2.53587066978951E-12 2.833806131896445E-10 -2.836122577202161E-10 5.677681455847031E-11

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 16.5   n/a MPO459732  

159999 Michaelgriffin           Discovered 2006 Mar. 2 by M. W. Buie at Kitt Peak.
Michael D. Griffin (b. 1949) served as the Johns Hopkins University Applied Physics Laboratory Space Department Head and previously served as the NASA Administrator during the New Horizons Mission to Pluto.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2018-05-29Last Updated: 2018-09-17

[ show close-approach data ]
Alternate Designations
 2006 EZ67 = 1994 SB11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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