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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1202073108062999 3.7378e-08  
a 2.602128626466774 1.0772e-08 au
q 2.289333741907112 9.5134e-08 au
i 12.1663114194383 4.2851e-06 deg
node 270.0670433973916 1.8784e-05 deg
peri 164.9565577650147 2.6359e-05 deg
M 145.6813758329601 1.94e-05 deg
tp 2458380.069554539491
(2018-Sep-18.56955454)
8.099e-05 TDB
period 1533.174430078726
4.20
9.5206e-06
2.607e-08
d
yr
n .234806942339571 1.4581e-09 deg/d
Q 2.914923511026435 1.2067e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2189  
   data-arc span      13580 days (37.18 yr)  
   first obs. used      1983-07-14  
   last obs. used      2020-09-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41173  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:01:29  

Additional Information
 Earth MOID = 1.3069 au 
 Jupiter MOID = 2.33037 au 
 T_jup = 3.372 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456965.5 (2014-Nov-04.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1200305081427541 3.7544e-08  
q 2.290893377576852 9.5614e-08 au
tp 2456849.446244010016
(2014-Jul-10.94624401)
7.7631e-05 TDB
node 270.1351410140759 1.8769e-05 deg
peri 165.6461531209804 2.6304e-05 deg
i 12.16994674480978 4.2864e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2189  
   data-arc span      13580 days (37.18 yr)  
   first obs. used      1983-07-14  
   last obs. used      2020-09-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41173  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:01:29  

Additional Information
 Jupiter MOID = 2.33037 au 
 T_jup = 3.372 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.409523054690447E-15 -3.573442020915107E-15 4.865526355681522E-13 1.28475125550141E-15 9.390001392737568E-14 -3.901895597768594E-16
q -3.573442020915107E-15 9.142126389566084E-15 -1.075784057108633E-12 -3.520856675559782E-15 -2.005025638454819E-13 1.414277159606518E-15
tp 4.865526355681522E-13 -1.075784057108633E-12 6.026622877440575E-9 -2.397881753711545E-12 1.445281255821843E-9 4.97080161119267E-13
node 1.28475125550141E-15 -3.520856675559782E-15 -2.397881753711545E-12 3.522578437788293E-10 -3.446644044022638E-10 5.161369349245002E-12
peri 9.390001392737568E-14 -2.005025638454819E-13 1.445281255821843E-9 -3.446644044022638E-10 6.91900365308888E-10 -4.887408097463707E-12
i -3.901895597768594E-16 1.414277159606518E-15 4.97080161119267E-13 5.161369349245002E-12 -4.887408097463707E-12 1.83728276225034E-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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