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243281 (2008 CE86)
Classification: Main-belt Asteroid          SPK-ID: 2243281
[ 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 .07694879477205854 5.0439e-08  
a 3.091368785204458 3.3404e-08 au
q 2.853491682987013 1.6853e-07 au
i 4.201599479948959 5.5497e-06 deg
node 92.87469244061711 6.9904e-05 deg
peri 190.1973141070778 8.1599e-05 deg
M 336.033873303385 3.8012e-05 deg
tp 2459132.666078132640
(2020-Oct-10.16607813)		 0.00020917 TDB
period 1985.293190262185
5.44		 3.2179e-05
8.81e-08		 d
yr
n .1813334180391044 2.9392e-09 deg/d
Q 3.329245887421905 3.5975e-08 au
   Orbit Determination Parameters
   # obs. used (total)      300  
   data-arc span      6754 days (18.49 yr)  
   first obs. used      2002-01-14  
   last obs. used      2020-07-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55471  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:57:33  

Additional Information
 Earth MOID = 1.83715 au 
 Jupiter MOID = 1.77447 au 
 T_jup = 3.216 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456967.5 (2014-Nov-06.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07507515181901292 5.0572e-08  
q 2.858626378744024 1.6862e-07 au
tp 2457150.255334032413
(2015-May-07.75533403)		 0.00022395 TDB
node 92.88654438572972 6.9915e-05 deg
peri 190.6092613158582 8.2157e-05 deg
i 4.201414882262892 5.5488e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      300  
   data-arc span      6754 days (18.49 yr)  
   first obs. used      2002-01-14  
   last obs. used      2020-07-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55471  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:57:33  

Additional Information
 Jupiter MOID = 1.77447 au 
 T_jup = 3.216 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.557503809813582E-15 -8.393702246188601E-15 1.987796726865874E-12 1.017579357267786E-14 3.816004572935452E-13 -1.159151323362207E-16
q -8.393702246188601E-15 2.843411719386593E-14 -8.564692393688499E-12 -3.035531074431777E-14 -1.655227086067349E-12 1.024516353252576E-15
tp 1.987796726865874E-12 -8.564692393688499E-12 5.01541037638316E-8 -7.941762648294315E-12 9.695410283238507E-9 -1.39270685599936E-12
node 1.017579357267786E-14 -3.035531074431777E-14 -7.941762648294315E-12 4.888084740385624E-9 -4.87598347534184E-9 2.500755522298228E-11
peri 3.816004572935452E-13 -1.655227086067349E-12 9.695410283238507E-9 -4.87598347534184E-9 6.74975762306439E-9 -2.521824825146598E-11
i -1.159151323362207E-16 1.024516353252576E-15 -1.39270685599936E-12 2.500755522298228E-11 -2.521824825146598E-11 3.078935498101325E-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 15.6   n/a MPO433594  
diameter diameter 4.520 km 0.261 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.060   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243281 (2008 CE86)          Discovered 2008-Feb-07 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

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