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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.


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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 
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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

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1916-Dec-08 06:32 00:02 Jupiter 1.86684854394895 1.86684801014177 1.86684907777417 2.85283776504755 2.68909791657456 2421205.772276468 1.7803677994007 425.792492984924 22.9099442477298 -86.0709573226957 2254317.58163113 T 27 CATAB v2.0f-lin.ifort 2020-Nov-13 02:56:23 2020-Nov-13 02:56
1999-Oct-31 14:04 < 00:01 Jupiter 1.85949140396235 1.85949102893828 1.85949177901094 2.96163861247366 2.8036186014472 2451483.085957806 0.310634724897965 488.690598078738 5.83640797552919 -88.0926772263133 2526715.28728482 T 27 CATAB v2.0f-lin.ifort 2020-Nov-13 02:56:23 2020-Nov-13 02:56
2082-Sep-24 07:12 00:01 Jupiter 1.86794813121875 1.86794771437262 1.86794854813687 3.07605162607376 2.92492599377621 2481761.800037542 1.21905443749232 699.635566938398 13.0338248089686 -89.307243338422 2631813.34850173 T 27 CATAB v2.0f-lin.ifort 2020-Nov-13 02:56:23 2020-Nov-13 02:56
2165-Aug-18 03:36 00:03 Jupiter 1.88835587191094 1.88835512104619 1.88835662297835 3.21262534861166 3.06983079535998 2512039.649989149 2.68611449200737 1169.20302450383 17.2458241957953 -89.3572031920607 3424291.40093818 T 27 CATAB v2.0f-lin.ifort 2020-Nov-13 02:56:23 2020-Nov-13 02:56

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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