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11933 Himuka (1993 ES)
Classification: Main-belt Asteroid          SPK-ID: 2011933
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1910888397458686 3.3387e-08  
a 2.673214354715561 1.1526e-08 au
q 2.162392925280964 8.7001e-08 au
i 11.43459178058394 4.4266e-06 deg
node 1.84098347021265 1.7221e-05 deg
peri 226.4339049385912 2.0827e-05 deg
M 52.46464548076628 1.0881e-05 deg
tp 2458767.844488365826
(2019-Oct-11.34448837)
4.8271e-05 TDB
period 1596.427144809505
4.37
1.0325e-05
2.827e-08
d
yr
n .2255035572218094 1.4585e-09 deg/d
Q 3.184035784150158 1.3729e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2328  
   data-arc span      15730 days (43.07 yr)  
   first obs. used      1977-10-07  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45412  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:56:18  

Additional Information
 Earth MOID = 1.17155 au 
 Jupiter MOID = 1.87382 au 
 T_jup = 3.326 
[ 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 12.8   n/a MPO395116  
diameter diameter 9.217 km 0.099 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
geometric albedo albedo 0.208   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

11933 Himuka           Discovered 1993 Mar. 15 by K. Endate and K. Watanabe at Kitami.
Himuka is an old Japanese name for the Miyazaki prefecture region. The name was selected among other candidates proposed by children who attended the Fureai Space Festival, held in Miyazaki city on the 2004 Space Day in Japan.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20050125/MPCPages.arcLast Updated: 2005-06-01

[ show close-approach data ]
Alternate Designations
 1993 ES = 1984 FO1 = 1986 VU3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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