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266644 (2008 SP143)
Classification: Jupiter Trojan          SPK-ID: 2266644
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06147949462282009 1.1376e-07  
a 5.201394620944617 2.4457e-07 au
q 4.881615508315087 7.7363e-07 au
i 7.729906327514013 7.9364e-06 deg
node 60.06764902822614 5.9322e-05 deg
peri 332.0614214460995 8.1307e-05 deg
M 4.597644064363845 5.4664e-05 deg
tp 2458945.163590201390
(2020-Apr-05.66359020)
0.00065802 TDB
period 4332.894684455318
11.86
0.0003056
8.367e-07
d
yr
n .08308533352807652 5.8601e-09 deg/d
Q 5.521173733574147 2.5961e-07 au
  Orbit Determination Parameters
   # obs. used (total)      193  
   data-arc span      4486 days (12.28 yr)  
   first obs. used      2007-10-15  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5348  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 12:48:44  

Additional Information
 Earth MOID = 3.89033 au 
 Jupiter MOID = .0996543 au 
 T_jup = 2.978 
[ 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 13.7   n/a MPO418415  

266644 (2008 SP143)          Discovered 2008-Sep-24 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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