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11151 Oodaigahara (1997 YZ2)
Classification: Main-belt Asteroid          SPK-ID: 2011151
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1203959476596853 3.9528e-08  
a 2.602457282862435 1.1232e-08 au
q 2.289131972048362 1.0165e-07 au
i 12.16646649967791 4.9826e-06 deg
node 270.0662429463215 2.1489e-05 deg
peri 165.0523313837938 3.1605e-05 deg
M 51.64501616223032 2.2477e-05 deg
tp 2458380.511611541039
(2018-Sep-19.01161154)
9.542e-05 TDB
period 1533.464905818817
4.20
9.9274e-06
2.718e-08
d
yr
n .234762464164625 1.5198e-09 deg/d
Q 2.915782593676508 1.2584e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1840  
   data-arc span      13086 days (35.83 yr)  
   first obs. used      1983-07-14  
   last obs. used      2019-05-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42943  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 01:53:33  

Additional Information
 Earth MOID = 1.30656 au 
 Jupiter MOID = 2.32982 au 
 T_jup = 3.372 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456544.5 (2013-Sep-09.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1196126281873499 3.9858e-08  
q 2.291174807650186 1.0241e-07 au
tp 2456849.237168827490
(2014-Jul-10.73716883)
9.4042e-05 TDB
node 270.135641611519 2.1467e-05 deg
peri 165.5800402297467 3.1618e-05 deg
i 12.17188474023453 4.9852e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1840  
   data-arc span      13086 days (35.83 yr)  
   first obs. used      1983-07-14  
   last obs. used      2019-05-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42943  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 01:53:33  

Additional Information
 Jupiter MOID = 2.32982 au 
 T_jup = 3.372 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.588685270604155E-15 -4.063386813476748E-15 1.164692802054367E-12 -2.631532919427279E-15 2.828754957327974E-13 -1.883682774766317E-15
q -4.063386813476748E-15 1.048713229067614E-14 -2.935296485982026E-12 6.012447928933889E-15 -7.185367457176572E-13 5.429039859018388E-15
tp 1.164692802054367E-12 -2.935296485982026E-12 8.843912613064929E-9 8.03848882455133E-12 2.203472936010846E-9 1.268139412114373E-12
node -2.631532919427279E-15 6.012447928933889E-15 8.03848882455133E-12 4.608330812070666E-10 -4.479321564580328E-10 3.057610092395435E-11
peri 2.828754957327974E-13 -7.185367457176572E-13 2.203472936010846E-9 -4.479321564580328E-10 9.996938985207652E-10 -2.952015926096526E-11
i -1.883682774766317E-15 5.429039859018388E-15 1.268139412114373E-12 3.057610092395435E-11 -2.952015926096526E-11 2.485230888586454E-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 12.4   n/a MPO384855  
diameter diameter 8.799 km 0.338 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.274   0.044 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

11151 Oodaigahara           Discovered 1997 Dec. 24 by T. Kobayashi at Oizumi.
Oodaigahara is located on the southern end of the mountain-chain boundary between Nara and Mie prefectures. It affords beautiful views and is one of the 100 celebrated mountains in Japan. Oodaigahara is in the National Park of Yoshino-Kumano and was registered as a UNESCO world heritage site in 2004.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20060413/MPCPages.arcLast Updated: 2006-04-17

[ show close-approach data ]
Alternate Designations
 1997 YZ2 = 1983 NC1 = 1983 OP = 1984 WE 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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