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249362 (2008 YR137)
Classification: Main-belt Asteroid          SPK-ID: 2249362
[ 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 .06133094009316485 6.2581e-08  
a 3.139798658187355 4.3053e-08 au
q 2.947231854777467 1.9785e-07 au
i 9.325451499189933 6.9426e-06 deg
node 280.4345772085042 3.5161e-05 deg
peri 359.3293090364903 6.1497e-05 deg
M 221.5100076065016 5.3817e-05 deg
tp 2459782.248428359217
(2022-Jul-21.74842836)		 0.00031018 TDB
period 2032.128310106906
5.56		 4.1796e-05
1.144e-07		 d
yr
n .177154167977248 3.6437e-09 deg/d
Q 3.332365461597243 4.5693e-08 au
   Orbit Determination Parameters
   # obs. used (total)      210  
   data-arc span      4924 days (13.48 yr)  
   first obs. used      2006-08-22  
   last obs. used      2020-02-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53923  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 17:01:28  

Additional Information
 Earth MOID = 1.93077 au 
 Jupiter MOID = 1.79708 au 
 T_jup = 3.187 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457293.5 (2015-Sep-28.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06086513966714138 6.2472e-08  
q 2.948335833546348 1.9694e-07 au
tp 2457743.027603719663
(2016-Dec-20.52760372)		 0.00029811 TDB
node 280.4731424186737 3.5168e-05 deg
peri 358.0095852601685 6.1912e-05 deg
i 9.32439958450759 6.9423e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      210  
   data-arc span      4924 days (13.48 yr)  
   first obs. used      2006-08-22  
   last obs. used      2020-02-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53923  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 17:01:28  

Additional Information
 Jupiter MOID = 1.79708 au 
 T_jup = 3.187 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.90275747342592E-15 -1.204286932237517E-14 3.916463090553971E-12 9.459228237207869E-15 5.971987574442023E-13 -7.48477331908092E-16
q -1.204286932237517E-14 3.878445775819895E-14 -8.52981731612756E-12 -4.011885673303414E-14 -1.285969302357503E-12 3.675092329102403E-15
tp 3.916463090553971E-12 -8.52981731612756E-12 8.886989538586655E-8 1.88293233368455E-11 1.521711132699591E-8 -2.831416624553057E-11
node 9.459228237207869E-15 -4.011885673303414E-14 1.88293233368455E-11 1.236773205508198E-9 -1.217038257255261E-9 3.286307784381497E-11
peri 5.971987574442023E-13 -1.285969302357503E-12 1.521711132699591E-8 -1.217038257255261E-9 3.833086576502934E-9 -3.722021761415631E-11
i -7.48477331908092E-16 3.675092329102403E-15 -2.831416624553057E-11 3.286307784381497E-11 -3.722021761415631E-11 4.819559595071068E-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 15.4   n/a MPO422968  
diameter diameter 3.679 km 0.838 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.099   0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249362 (2008 YR137)          Discovered 2008-Dec-30 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ show close-approach data ]
Alternate Designations
 2008 YR137 = 2006 QU131 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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