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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1198398372558151 3.7363e-08  
a 2.602938819570461 1.0652e-08 au
q 2.291003055046294 9.5114e-08 au
i 12.16472837638051 4.2808e-06 deg
node 270.0691777149135 1.8694e-05 deg
peri 164.9276848473408 2.6264e-05 deg
M 192.6721697959193 1.9437e-05 deg
tp 2459913.451597010425
(2022-Nov-29.95159701)
8.4928e-05 TDB
period 1533.89053459138
4.20
9.4156e-06
2.578e-08
d
yr
n .2346973215372907 1.4407e-09 deg/d
Q 2.914874584094629 1.1928e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2205  
   data-arc span      13580 days (37.18 yr)  
   first obs. used      1983-07-14  
   last obs. used      2020-09-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41041  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 22:33:18  

Additional Information
 Earth MOID = 1.30816 au 
 Jupiter MOID = 2.33057 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 12.51   n/a E2021B10  
diameter diameter 8.799 km 0.338 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 15.3498 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
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 
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