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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1912477690968313 1.4151e-08  
a 2.671711574691044 1.0969e-08 au
q 2.1607526963612 3.6145e-08 au
i 11.43989474388431 6.2583e-07 deg
node 1.818800386418202 4.4905e-06 deg
peri 226.2748881788969 6.0265e-06 deg
M 97.74524271631903 4.7313e-06 deg
tp 2458767.412236394632
(2019-Oct-10.91223639)
1.958e-05 TDB
period 1595.081157560032
4.37
9.8232e-06
2.689e-08
d
yr
n .2256938452904088 1.3899e-09 deg/d
Q 3.182670453020889 1.3067e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2498  
   data-arc span      15809 days (43.28 yr)  
   first obs. used      1977-10-07  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44981  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-16 22:52:48  

Additional Information
 Earth MOID = 1.1688 au 
 Jupiter MOID = 1.87342 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 12.89   n/a E2021B10  
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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