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249332 (2008 UB359)
Classification: Main-belt Asteroid          SPK-ID: 2249332
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1305014104381662 4.631e-08  
a 3.180266043765411 5.5186e-08 au
q 2.765236839485418 1.6415e-07 au
i 14.29055513065405 5.2642e-06 deg
node 154.1775107089839 2.3489e-05 deg
peri 316.0070337503967 3.5635e-05 deg
M 317.1641803687995 2.9443e-05 deg
tp 2459246.989364798620
(2021-Feb-01.48936480)
0.0001735 TDB
period 2071.541343004213
5.67
5.392e-05
1.476e-07
d
yr
n .1737836424147427 4.5234e-09 deg/d
Q 3.595295248045404 6.2388e-08 au
  Orbit Determination Parameters
   # obs. used (total)      256  
   data-arc span      5311 days (14.54 yr)  
   first obs. used      2005-04-16  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5924  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 02:45:39  

Additional Information
 Earth MOID = 1.8005 au 
 Jupiter MOID = 1.54561 au 
 T_jup = 3.138 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457562.5 (2016-Jun-23.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1297065141001062 4.6435e-08  
q 2.770445135842292 1.6491e-07 au
tp 2457180.922943108456
(2015-Jun-07.42294311)
0.00014593 TDB
node 154.2295906863151 2.3459e-05 deg
peri 316.8985142656543 3.569e-05 deg
i 14.29529554616825 5.2667e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      256  
   data-arc span      5311 days (14.54 yr)  
   first obs. used      2005-04-16  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5924  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 02:45:39  

Additional Information
 Jupiter MOID = 1.54561 au 
 T_jup = 3.138 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.156229073413176E-15 -7.338409319731806E-15 -8.709053660684101E-13 5.271871629415358E-15 -1.066598590990319E-13 -5.656793762694268E-15
q -7.338409319731806E-15 2.719567772451519E-14 5.514234387196544E-12 -2.166535174886694E-14 9.071028997011244E-13 2.692696275515616E-14
tp -8.709053660684101E-13 5.514234387196544E-12 2.129624219313528E-8 -6.294102725804276E-12 3.966952811124638E-9 3.264301450223258E-11
node 5.271871629415358E-15 -2.166535174886694E-14 -6.294102725804276E-12 5.503247470093272E-10 -5.34174059488044E-10 2.302507014110043E-11
peri -1.066598590990319E-13 9.071028997011244E-13 3.966952811124638E-9 -5.34174059488044E-10 1.273807603066849E-9 -1.623379331872961E-11
i -5.656793762694268E-15 2.692696275515616E-14 3.264301450223258E-11 2.302507014110043E-11 -1.623379331872961E-11 2.773793824844646E-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 MPO418331  
diameter diameter 5.172 km 0.119 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.050   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249332 (2008 UB359)          Discovered 2008-Oct-27 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

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