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6406 Mikejura (1992 MJ)
Classification: Main-belt Asteroid          SPK-ID: 2006406
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1778724801561087 1.012e-08  
a 2.27531184540169 5.067e-09 au
q 1.870596484331519 2.3256e-08 au
i 8.179333647073626 4.0385e-07 deg
node 146.1768171419923 5.779e-06 deg
peri 205.5372019005009 7.126e-06 deg
M 37.94734098424939 4.6786e-06 deg
tp 2459068.358671860700
(2020-Aug-06.85867186)
1.627e-05 TDB
period 1253.602410505994
3.43
4.1876e-06
1.147e-08
d
yr
n .2871723897329556 9.5928e-10 deg/d
Q 2.680027206471861 5.9683e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2556  
   data-arc span      16119 days (44.13 yr)  
   first obs. used      1977-01-21  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43322  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 18:40:31  

Additional Information
 Earth MOID = .865931 au 
 Jupiter MOID = 2.74642 au 
 T_jup = 3.575 
[ 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 13.51   n/a E2021B10  
diameter diameter 4.062 km 0.233 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 6.819 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Higgins, D.; Goncalves, R.M.D. (2007) Minor Planet Bull. 34, 16-18.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.]
[Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2016) Astron. Astrophys. 586, A108.]
geometric albedo albedo 0.512   0.073 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

6406 Mikejura           Discovered 1992 June 28 by H. E. Holt at Palomar.
Michael Jura (1947-2016) was as an American astronomer and UCLA professor whose work on polluted white dwarfs first enabled the measurement of the chemical compositions of extrasolar asteroids.
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 2017-01-12Last Updated: 2017-01-17

[ show close-approach data ]
Alternate Designations
 1992 MJ = 1977 BB = 1978 GY4 = 1979 YN6 = 1991 CT2 = 1991 DQ2 = 1991 ET5 = 1993 XV2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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