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

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01807182159103477 7.3191e-08  
a 5.26378017136777 1.7034e-07 au
q 5.168654075216385 4.5486e-07 au
i 8.578396508942125 5.9226e-06 deg
node 131.1625199327036 4.886e-05 deg
peri 229.9975592856901 0.00020147 deg
M 10.10729412722195 0.00019075 deg
tp 2458876.655294195557
(2020-Jan-28.15529420)
0.002341 TDB
period 4411.081099294538
12.08
0.00021411
5.862e-07
d
yr
n .08161264594694816 3.9615e-09 deg/d
Q 5.358906267519155 1.7341e-07 au
  Orbit Determination Parameters
   # obs. used (total)      224  
   data-arc span      7209 days (19.74 yr)  
   first obs. used      2001-02-17  
   last obs. used      2020-11-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57237  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 05:39:36  

Additional Information
 Earth MOID = 4.16941 au 
 Jupiter MOID = .00944601 au 
 T_jup = 2.977 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457690.5 (2016-Oct-29.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01662710808567962 7.3518e-08  
q 5.168829725474994 4.5568e-07 au
tp 2458883.144613381504
(2020-Feb-03.64461338)
0.002531 TDB
node 131.1709601909265 4.8857e-05 deg
peri 230.5015434249433 0.00021697 deg
i 8.581491232995083 5.9252e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      224  
   data-arc span      7209 days (19.74 yr)  
   first obs. used      2001-02-17  
   last obs. used      2020-11-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57237  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 05:39:36  

Additional Information
 Jupiter MOID = .00944601 au 
 T_jup = 2.977 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.404949592610432E-15 -3.130217691388162E-14 5.891220260002567E-11 1.715019731793445E-14 4.984165883091958E-12 -1.589152266536101E-15
q -3.130217691388162E-14 2.076449304732853E-13 -5.727897866377837E-10 -1.025959705707806E-13 -4.866042490450742E-11 1.59022467321623E-14
tp 5.891220260002567E-11 -5.727897866377837E-10 6.406091355776379E-6 4.448173400581122E-10 5.351680986968132E-7 -4.773442986927998E-11
node 1.715019731793445E-14 -1.025959705707806E-13 4.448173400581122E-10 2.387049874607274E-9 -2.323063909703428E-9 1.06826608985459E-10
peri 4.984165883091958E-12 -4.866042490450742E-11 5.351680986968132E-7 -2.323063909703428E-9 4.707433318377231E-8 -1.097800603434478E-10
i -1.589152266536101E-15 1.59022467321623E-14 -4.773442986927998E-11 1.06826608985459E-10 -1.097800603434478E-10 3.510764150525558E-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 13.4   n/a MPO454785  
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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