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249476 (2009 LS6)
Classification: Jupiter Trojan          SPK-ID: 2249476
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 .05250241534567006 7.2552e-08  
a 5.155220100645401 1.9614e-07 au
q 4.88455859372297 4.6223e-07 au
i 32.8409466074371 6.8768e-06 deg
node 128.8235590154082 1.4952e-05 deg
peri 221.8620718744344 0.00010552 deg
M 236.4933799900294 0.00011256 deg
tp 2460467.252985391345
(2024-Jun-05.75298539)
0.001383 TDB
period 4275.326089389026
11.71
0.00024399
6.68e-07
d
yr
n .08420410337669623 4.8055e-09 deg/d
Q 5.425881607567834 2.0644e-07 au
  Orbit Determination Parameters
   # obs. used (total)      367  
   data-arc span      6836 days (18.72 yr)  
   first obs. used      2001-09-11  
   last obs. used      2020-05-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51295  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 04:40:18  

Additional Information
 Earth MOID = 3.91106 au 
 Jupiter MOID = .0398584 au 
 T_jup = 2.680 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457675.5 (2016-Oct-14.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05168043415968138 7.2775e-08  
q 4.893123330268679 4.6199e-07 au
tp 2456205.454463971905
(2012-Oct-04.95446397)
0.001277 TDB
node 128.806340104412 1.4955e-05 deg
peri 223.0936899150752 0.00010692 deg
i 32.83197933513817 6.8739e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      367  
   data-arc span      6836 days (18.72 yr)  
   first obs. used      2001-09-11  
   last obs. used      2020-05-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51295  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 04:40:18  

Additional Information
 Jupiter MOID = .0398584 au 
 T_jup = 2.680 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.296271194008501E-15 -3.094259414318718E-14 1.632023132888544E-11 -1.189846311385998E-14 1.139854247298329E-12 8.090120693197129E-15
q -3.094259414318718E-14 2.134361180386603E-13 2.15100390539501E-11 7.856775605411987E-14 3.911847482092407E-12 5.58138670825464E-15
tp 1.632023132888544E-11 2.15100390539501E-11 1.6306099210001E-6 -1.521617492317343E-10 1.35191551251116E-7 2.892607121378608E-10
node -1.189846311385998E-14 7.856775605411987E-14 -1.521617492317343E-10 2.236563340973394E-10 -1.991719310001632E-10 1.500116553019815E-12
peri 1.139854247298329E-12 3.911847482092407E-12 1.35191551251116E-7 -1.991719310001632E-10 1.143148358244262E-8 2.359011303359843E-11
i 8.090120693197129E-15 5.58138670825464E-15 2.892607121378608E-10 1.500116553019815E-12 2.359011303359843E-11 4.724984077681504E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.6   n/a MPO433635  
diameter diameter 15.471 km 1.054 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.067   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

249476 (2009 LS6)          Discovered 2009-Jun-15 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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