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249481 (2009 TE23)
Classification: Jupiter Trojan          SPK-ID: 2249481
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08455607643250128 9.2413e-08  
a 5.265168087940923 2.8819e-07 au
q 4.819966132667024 7.2285e-07 au
i 8.651869713876522 6.1751e-06 deg
node 111.6247283174653 4.1747e-05 deg
peri 298.8827543207943 6.2405e-05 deg
M 314.98036691846 5.1938e-05 deg
tp 2459552.343889184900
(2021-Dec-03.84388918)
0.00065542 TDB
period 4412.825838601177
12.08
0.00036231
9.92e-07
d
yr
n .081580378008781 6.698e-09 deg/d
Q 5.710370043214822 3.1256e-07 au
  Orbit Determination Parameters
   # obs. used (total)      275  
   data-arc span      7997 days (21.89 yr)  
   first obs. used      1997-11-06  
   last obs. used      2019-09-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60595  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 02:46:04  

Additional Information
 Earth MOID = 3.84167 au 
 Jupiter MOID = .205838 au 
 T_jup = 2.970 
[ 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 12.9   n/a MPO454849  
diameter diameter 14.423 km 0.534 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.064   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

249481 (2009 TE23)          Discovered 2009-Oct-14 by La Sagra at La Sagra
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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