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108720 Kamikuroiwa (2001 OT23)
Classification: Main-belt Asteroid          SPK-ID: 2108720
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0323170024369022 4.7057e-08  
a 2.749315254860132 2.0951e-08 au
q 2.660465627069005 1.2943e-07 au
i 8.130112094329162 5.8666e-06 deg
node 144.9670059239535 3.8367e-05 deg
peri 293.3282794215277 0.00010946 deg
M 273.4826264523029 0.00010396 deg
tp 2459400.662203348878
(2021-Jul-05.16220335)
0.00048105 TDB
period 1665.080518494663
4.56
1.9033e-05
5.211e-08
d
yr
n .2162057606231935 2.4714e-09 deg/d
Q 2.838164882651259 2.1628e-08 au
  Orbit Determination Parameters
   # obs. used (total)      461  
   data-arc span      8500 days (23.27 yr)  
   first obs. used      1995-03-05  
   last obs. used      2018-06-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53429  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 04:16:31  

Additional Information
 Earth MOID = 1.68896 au 
 Jupiter MOID = 2.23164 au 
 T_jup = 3.331 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.2   n/a MPO436522  
diameter diameter 5.223 km 0.243 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.054   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

108720 Kamikuroiwa           Discovered 2001 July 22 by A. Nakamura at Kuma Kogen.
Kamikuroiwa Iwakage Iseki, located in the town of Kuma Kogen, is the oldest grotto in Japan, dating from about 15~000 years ago. Discovered in 1961, numerous relics, such as stoneware, earthenware, stone arrowheads and stone figurines, were found during five excavations between 1962 and 1970.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20090607/MPCPages.arcLast Updated: 2009-06-08

Alternate Designations
 2001 OT23 = 2004 CB77 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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