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249180 (2008 CE117)
Classification: Jupiter Trojan          SPK-ID: 2249180
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .06993724627596316 9.1776e-08  
a 5.257524687054168 2.0702e-07 au
q 4.889827888213705 6.2974e-07 au
i 25.26653627250586 6.6154e-06 deg
node 154.7176443963929 1.3454e-05 deg
peri 163.9312293675297 5.3626e-05 deg
M 298.4239210602364 5.8765e-05 deg
tp 2459753.647324002251
(2022-Jun-23.14732400)
0.00073992 TDB
period 4403.220232747275
12.06
0.00026007
7.12e-07
d
yr
n .08175834524983261 4.829e-09 deg/d
Q 5.625221485894632 2.215e-07 au
  Orbit Determination Parameters
   # obs. used (total)      285  
   data-arc span      6705 days (18.36 yr)  
   first obs. used      2001-12-13  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50139  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 13:41:02  

Additional Information
 Earth MOID = 3.88344 au 
 Jupiter MOID = .0913831 au 
 T_jup = 2.803 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.8   n/a MPO437158  
diameter diameter 14.537 km 0.863 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.076   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

249180 (2008 CE117)          Discovered 2008-Feb-12 by Spacewatch at Kitt Peak
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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