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249317 (2008 UE201)
Classification: Main-belt Asteroid          SPK-ID: 2249317
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2222682703742114 4.9483e-08  
a 2.557071065241821 2.2063e-08 au
q 1.988715302346579 1.2964e-07 au
i 13.27454107636436 1.394e-05 deg
node 32.5900472879693 1.8579e-05 deg
peri 68.3280711549523 3.9979e-05 deg
M 259.7645311933308 3.6258e-05 deg
tp 2459416.345062195278
(2021-Jul-20.84506220)
0.00015312 TDB
period 1493.525437378304
4.09
1.933e-05
5.292e-08
d
yr
n .2410404208661721 3.1196e-09 deg/d
Q 3.125426828137063 2.6967e-08 au
  Orbit Determination Parameters
   # obs. used (total)      262  
   data-arc span      6372 days (17.45 yr)  
   first obs. used      2000-12-04  
   last obs. used      2018-05-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60815  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 09:55:14  

Additional Information
 Earth MOID = 1.04722 au 
 Jupiter MOID = 2.22501 au 
 T_jup = 3.365 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456815.5 (2014-Jun-07.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2209596699742346 5.0027e-08  
q 1.992623973735984 1.3145e-07 au
tp 2456424.036375816447
(2013-May-11.53637582)
0.00013875 TDB
node 32.7520010283132 1.8526e-05 deg
peri 67.6209493989851 4.0409e-05 deg
i 13.29821403410318 1.3957e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      262  
   data-arc span      6372 days (17.45 yr)  
   first obs. used      2000-12-04  
   last obs. used      2018-05-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60815  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 09:55:14  

Additional Information
 Jupiter MOID = 2.22501 au 
 T_jup = 3.365 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.502651377879738E-15 -6.520061419805093E-15 -4.812432728474202E-12 1.272473120348746E-15 -1.218591861494005E-12 -1.295079651880073E-14
q -6.520061419805093E-15 1.728039939208342E-14 1.309325035096076E-11 -5.207773606979476E-15 3.338012268010226E-12 3.743284485461786E-14
tp -4.812432728474202E-12 1.309325035096076E-11 1.925141146575449E-8 -1.202439381368044E-11 4.986188849248338E-9 5.634940247975353E-11
node 1.272473120348746E-15 -5.207773606979476E-15 -1.202439381368044E-11 3.432012855950788E-10 -3.366398924686536E-10 -6.909439842730869E-11
peri -1.218591861494005E-12 3.338012268010226E-12 4.986188849248338E-9 -3.366398924686536E-10 1.632882270647675E-9 8.218735100139635E-11
i -1.295079651880073E-14 3.743284485461786E-14 5.634940247975353E-11 -6.909439842730869E-11 8.218735100139635E-11 1.948075019429337E-10

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 16.6   n/a MPO450107  
diameter diameter 3.580 km 0.745 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.038   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249317 (2008 UE201)          Discovered 2008-Oct-28 by LINEAR at Socorro
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ show close-approach data ]
Alternate Designations
 2008 UE201 = 2000 XF48 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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