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243334 (2008 TY109)
Classification: Jupiter Trojan          SPK-ID: 2243334
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01834438037844432 7.1226e-08  
a 5.265612333062568 1.6642e-07 au
q 5.16901793749944 4.3823e-07 au
i 8.578260943479913 5.5442e-06 deg
node 131.1606011521851 4.8809e-05 deg
peri 230.8358225071073 0.00019758 deg
M 25.60830223562983 0.00018623 deg
tp 2458886.557555078714
(2020-Feb-07.05755508)
0.0022926 TDB
period 4413.384344332479
12.08
0.00020923
5.728e-07
d
yr
n .08157005416088449 3.8671e-09 deg/d
Q 5.362206728625694 1.6948e-07 au
  Orbit Determination Parameters
   # obs. used (total)      238  
   data-arc span      7269 days (19.90 yr)  
   first obs. used      2001-02-17  
   last obs. used      2021-01-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56931  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 01:43:12  

Additional Information
 Earth MOID = 4.16845 au 
 Jupiter MOID = .00788963 au 
 T_jup = 2.977 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457853.5 (2017-Apr-10.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01668027805868117 7.1098e-08  
q 5.169330465529187 4.3524e-07 au
tp 2458876.959827737774
(2020-Jan-28.45982774)
0.0025319 TDB
node 131.169865322917 4.8807e-05 deg
peri 229.9828641401262 0.00021701 deg
i 8.581649380408514 5.5472e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      238  
   data-arc span      7269 days (19.90 yr)  
   first obs. used      2001-02-17  
   last obs. used      2021-01-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56931  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 01:43:12  

Additional Information
 Jupiter MOID = .00788963 au 
 T_jup = 2.977 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.05497134111912E-15 -2.876950870329214E-14 6.006567299043852E-11 1.590831609412225E-14 5.033734638787172E-12 -2.012840405108807E-15
q -2.876950870329214E-14 1.894321858959927E-13 -5.806347759668204E-10 -9.231033988686215E-14 -4.89780554772663E-11 1.854954780687459E-14
tp 6.006567299043852E-11 -5.806347759668204E-10 6.410569066561231E-6 4.188675563902012E-10 5.355216226127012E-7 -6.881242747348553E-11
node 1.590831609412225E-14 -9.231033988686215E-14 4.188675563902012E-10 2.382155810609788E-9 -2.320503644931648E-9 1.026595542700063E-10
peri 5.033734638787172E-12 -4.89780554772663E-11 5.355216226127012E-7 -2.320503644931648E-9 4.709153815707154E-8 -1.07395692018943E-10
i -2.012840405108807E-15 1.854954780687459E-14 -6.881242747348553E-11 1.026595542700063E-10 -1.07395692018943E-10 3.077184666008959E-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 13.61   n/a MPCxxxxx  
diameter diameter 12.583 km 1.052 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.041   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

243334 (2008 TY109)          Discovered 2008-Oct-06 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

Alternate Designations
 2008 TY109 = 2007 TX374 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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