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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1202072993209461 3.9182e-08  
a 2.602128628718147 1.1021e-08 au
q 2.289333773774222 1.0058e-07 au
i 12.16631414559959 4.9194e-06 deg
node 270.0670543838216 2.1358e-05 deg
peri 164.9565342644528 3.1277e-05 deg
M 145.6813861583519 2.2356e-05 deg
tp 2458380.069509760329
(2018-Sep-18.56950976)
9.422e-05 TDB
period 1533.17443206849
4.20
9.7407e-06
2.667e-08
d
yr
n .2348069420348369 1.4918e-09 deg/d
Q 2.914923483662073 1.2346e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1897  
   data-arc span      13353 days (36.56 yr)  
   first obs. used      1983-07-14  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42966  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 19:57:17  

Additional Information
 Earth MOID = 1.3069 au 
 Jupiter MOID = 2.33037 au 
 T_jup = 3.372 
[ 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 12.4   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

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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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