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15841 Yamaguchi (1995 OX)
Classification: Main-belt Asteroid          SPK-ID: 2015841
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3235893108531326 4.1357e-08  
a 3.142274673522727 3.0578e-08 au
q 2.125468177406256 1.3455e-07 au
i 20.298893636038 9.5031e-06 deg
node 284.6849337618268 1.8438e-05 deg
peri 298.8304525476064 2.5615e-05 deg
M 227.4721088368752 1.7281e-05 deg
tp 2459749.478637817080
(2022-Jun-18.97863782)
0.00010325 TDB
period 2034.532559506784
5.57
2.9697e-05
8.131e-08
d
yr
n .1769448212159711 2.5828e-09 deg/d
Q 4.159081169639198 4.0472e-08 au
  Orbit Determination Parameters
   # obs. used (total)      544  
   data-arc span      8888 days (24.33 yr)  
   first obs. used      1995-07-27  
   last obs. used      2019-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52174  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 00:04:32  

Additional Information
 Earth MOID = 1.19044 au 
 Jupiter MOID = 1.44583 au 
 T_jup = 3.035 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457047.5 (2015-Jan-25.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .324735642953624 4.1235e-08  
q 2.118950341423421 1.3399e-07 au
tp 2457715.575009182017
(2016-Nov-23.07500918)
8.9957e-05 TDB
node 284.7471411319854 1.843e-05 deg
peri 298.8345674968237 2.5602e-05 deg
i 20.3131847290243 9.5105e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      544  
   data-arc span      8888 days (24.33 yr)  
   first obs. used      1995-07-27  
   last obs. used      2019-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52174  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 00:04:32  

Additional Information
 Jupiter MOID = 1.44583 au 
 T_jup = 3.035 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.700325748549155E-15 -5.461386688983619E-15 -4.904485066116448E-13 7.872769379976552E-15 -6.119680702425641E-15 9.739442482439901E-16
q -5.461386688983619E-15 1.795348288660207E-14 2.070004625850717E-12 -2.885148099109037E-14 8.216157232464045E-14 -1.349526005854881E-15
tp -4.904485066116448E-13 2.070004625850717E-12 8.092312311549241E-9 -6.421407978692916E-11 1.635568461370689E-9 1.272533436518225E-11
node 7.872769379976552E-15 -2.885148099109037E-14 -6.421407978692916E-11 3.39680912209835E-10 -3.299545292979633E-10 1.038644283810756E-10
peri -6.119680702425641E-15 8.216157232464045E-14 1.635568461370689E-9 -3.299545292979633E-10 6.554518615442048E-10 -9.497111329718893E-11
i 9.739442482439901E-16 -1.349526005854881E-15 1.272533436518225E-11 1.038644283810756E-10 -9.497111329718893E-11 9.044970376479407E-11

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 14.4   n/a MPO350929  
diameter diameter 7.578 km 0.629 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.053   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15841 Yamaguchi           Discovered 1995 July 27 by A. Nakamura at Kuma Kogen.
Yamaguchi prefecture, where the discoverer was born, is located at the western-most end of Honshu island. Surrounded by the sea on three sides, it is known for its deep-sea fishery catch. Yamaguchi is also famous for its distinguished educators, who played an integral role in the Meiji Restoration.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010109/MPCPages.arcLast Updated: 2009-05-11

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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