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JPL Small-Body Database Browser
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10152 Ukichiro (1994 RJ11)
Classification: Main-belt Asteroid          SPK-ID: 2010152
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1415225589728862 3.9665e-08  
a 2.362088027255072 8.079e-09 au
q 2.027799285118718 9.3539e-08 au
i 6.506923787229203 4.6408e-06 deg
node 345.481139017532 2.9575e-05 deg
peri 358.47108705 3.1941e-05 deg
M 33.29518643161516 1.3014e-05 deg
tp 2458877.863006637946
(2020-Jan-29.36300664)
4.7708e-05 TDB
period 1325.997008637199
3.63
6.8029e-06
1.863e-08
d
yr
n .2714938251406706 1.3929e-09 deg/d
Q 2.696376769391426 9.2223e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1826  
   data-arc span      11674 days (31.96 yr)  
   first obs. used      1987-11-12  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49899  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 19:36:08  

Additional Information
 Earth MOID = 1.02013 au 
 Jupiter MOID = 2.6943 au 
 T_jup = 3.528 
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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 13.7   n/a MPO439157  
diameter diameter 4.609 km 0.099 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.363   0.107 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

10152 Ukichiro           Discovered 1994 Sept. 11 by S. Otomo at Kiyosato.
Ukichiro Nakaya (1900-1962), professor of physics at Hokkaido University, studied the crystalline structure of snow and in 1935 succeeded in making artificial snow for the first time.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20031110/MPCPages.arcLast Updated: 2003-11-12

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Alternate Designations
 1994 RJ11 = 1987 VN1 = 1989 ET9 = 1993 HK8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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