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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1905107653181464 4.7685e-08  
a 2.671822158925028 1.3484e-08 au
q 2.162811274634239 1.2961e-07 au
i 11.43510242984978 5.3822e-06 deg
node 1.880476149012667 1.9546e-05 deg
peri 226.4288728744236 2.2622e-05 deg
M 322.2186985988037 1.1783e-05 deg
tp 2458767.911065522508
(2019-Oct-11.41106552)
5.2411e-05 TDB
period 1595.180191071834
4.37
1.2076e-05
3.306e-08
d
yr
n .2256798335479007 1.7085e-09 deg/d
Q 3.180833043215817 1.6053e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1936  
   data-arc span      15190 days (41.59 yr)  
   first obs. used      1977-10-07  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4758  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 01:58:35  

Additional Information
 Earth MOID = 1.17207 au 
 Jupiter MOID = 1.87753 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

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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 1.86684839505597 1.86684784808149 1.86684894205019 2.85283863008043 2.68909882082261 2421205.772098280 2.06822877812621 510.898617415226 29.5116072572679 -86.9859436663378 1581638.379319 T 23 CATAB v2.0e-lin.ifort 2019-May-30 01:58:44 2019-May-30 01:58
1999-Oct-31 14:04 < 00:01 Jupiter 1.85949130539538 1.85949086627516 1.85949174455323 2.96163899700155 2.80361899903588 2451483.085943807 0.326045400515301 619.518299231705 6.04161768248657 -88.1369867766085 1991225.60549659 T 23 CATAB v2.0e-lin.ifort 2019-May-30 01:58:44 2019-May-30 01:58
2082-Sep-24 07:12 00:02 Jupiter 1.86794802752407 1.867947579688 1.86794847540845 3.07605142583829 2.92492577458883 2481761.800195577 1.49704185060848 760.166578908189 19.6505079355368 -89.548936364601 1997720.58505374 T 23 CATAB v2.0e-lin.ifort 2019-May-30 01:58:44 2019-May-30 01:58
2165-Aug-18 03:36 00:03 Jupiter 1.88835570573026 1.8883549297658 1.88835648196758 3.21262455030421 3.06982994706029 2512039.650317666 3.24353617063942 1464.206020472 20.9722105943822 -89.6228024072602 2575909.2683905 T 23 CATAB v2.0e-lin.ifort 2019-May-30 01:58:44 2019-May-30 01:58

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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