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379444 (2010 CE81)
Classification: Main-belt Asteroid          SPK-ID: 2379444
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02990565655693581 7.8548e-08  
a 3.131665523527932 5.2052e-08 au
q 3.03801100993011 2.5228e-07 au
i 1.42319554292905 7.9378e-06 deg
node 227.7817468424386 0.00028571 deg
peri 164.4043176073118 0.00030961 deg
M 74.3524125037921 0.00011631 deg
tp 2458582.425145325755
(2019-Apr-08.92514533)
0.00065782 TDB
period 2024.237581733505
5.54
5.0468e-05
1.382e-07
d
yr
n .1778447368276333 4.434e-09 deg/d
Q 3.225320037125755 5.3609e-08 au
  Orbit Determination Parameters
   # obs. used (total)      184  
   data-arc span      5413 days (14.82 yr)  
   first obs. used      2005-03-11  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56948  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-30 09:35:52  

Additional Information
 Earth MOID = 2.04293 au 
 Jupiter MOID = 1.91507 au 
 T_jup = 3.212 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457357.5 (2015-Dec-01.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02751095799436165 7.8013e-08  
q 3.047993239119942 2.5029e-07 au
tp 2456562.309862639374
(2013-Sep-26.80986264)
0.00074355 TDB
node 227.8648066306203 0.00028656 deg
peri 165.1212040577487 0.00031491 deg
i 1.419904278332988 7.9303e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      184  
   data-arc span      5413 days (14.82 yr)  
   first obs. used      2005-03-11  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56948  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-30 09:35:52  

Additional Information
 Jupiter MOID = 1.91507 au 
 T_jup = 3.212 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.085956907668562E-15 -1.9110045030867E-14 -1.225866545081491E-11 2.729845880650511E-14 -2.300996047350382E-12 -1.175063734586094E-15
q -1.9110045030867E-14 6.264522030815206E-14 2.090121174740274E-11 -1.056584621891143E-13 4.304268294081734E-12 4.211245282171816E-15
tp -1.225866545081491E-11 2.090121174740274E-11 5.528728324844921E-7 3.393480966430489E-10 9.712190470248471E-8 -1.014432079932093E-11
node 2.729845880650511E-14 -1.056584621891143E-13 3.393480966430489E-10 8.211554546771528E-8 -8.203081233458486E-8 -6.972698215211348E-10
peri -2.300996047350382E-12 4.304268294081734E-12 9.712190470248471E-8 -8.203081233458486E-8 9.916587285370565E-8 6.953442925622928E-10
i -1.175063734586094E-15 4.211245282171816E-15 -1.014432079932093E-11 -6.972698215211348E-10 6.953442925622928E-10 6.288888598414337E-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 15.9   n/a MPO455731  
diameter diameter 4.257 km 1.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.051   0.045 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

379444 (2010 CE81)          Discovered 2010-Feb-13 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2013-11-20

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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