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312626 (2009 TU15)
Classification: Jupiter Trojan          SPK-ID: 2312626
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 .1037563976693787 9.2823e-08  
a 5.294575068300318 4.5669e-07 au
q 4.745229032023373 7.614e-07 au
i 9.463583019537051 7.4952e-06 deg
node 82.41042367299406 4.0077e-05 deg
peri 346.7510528714191 7.4298e-05 deg
M 283.9646065718888 8.5094e-05 deg
tp 2459940.349660627001
(2022-Dec-26.84966063)
0.0011648 TDB
period 4449.847137907091
12.18
0.00057574
1.576e-06
d
yr
n .08090165545985921 1.0467e-08 deg/d
Q 5.843921104577264 5.0407e-07 au
  Orbit Determination Parameters
   # obs. used (total)      271  
   data-arc span      7143 days (19.56 yr)  
   first obs. used      2000-01-31  
   last obs. used      2019-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58413  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:02:09  

Additional Information
 Earth MOID = 3.76049 au 
 Jupiter MOID = .337042 au 
 T_jup = 2.962 
[ 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 12.7   n/a MPO455304  
diameter diameter 15.625 km 0.897 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.066   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

312626 (2009 TU15)          Discovered 2009-Oct-01 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

Alternate Designations
 2009 TU15 = 2002 FN29 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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