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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06909303414597892 9.1984e-08  
a 5.252588648171914 2.3441e-07 au
q 4.889671361348991 6.4419e-07 au
i 25.26937792503541 7.7837e-06 deg
node 154.7487831593815 1.3479e-05 deg
peri 164.5241640939381 6.3553e-05 deg
M 264.9904543378506 7.0723e-05 deg
tp 2459760.941504694666
(2022-Jun-30.44150469)
0.00091084 TDB
period 4397.020728586747
12.04
0.00029434
8.059e-07
d
yr
n .08187361903015365 5.4807e-09 deg/d
Q 5.615505934994838 2.5061e-07 au
  Orbit Determination Parameters
   # obs. used (total)      266  
   data-arc span      6437 days (17.62 yr)  
   first obs. used      2001-12-13  
   last obs. used      2019-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52093  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:18:32  

Additional Information
 Earth MOID = 3.88206 au 
 Jupiter MOID = .0942382 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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