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487957 (2015 TL265)
Classification: Main-belt Asteroid          SPK-ID: 2487957
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1090166467632871 6.3811e-08  
a 2.550999425368723 3.8238e-08 au
q 2.272898022119953 1.5676e-07 au
i 20.91634371884302 9.3597e-06 deg
node 202.8463510054911 1.6319e-05 deg
peri 269.6504796783133 4.8637e-05 deg
M 319.6386454564445 4.843e-05 deg
tp 2459167.350380035341
(2020-Nov-13.85038004)
0.00020194 TDB
period 1488.209141938061
4.07
3.3461e-05
9.161e-08
d
yr
n .2419014840422093 5.439e-09 deg/d
Q 2.829100828617494 4.2407e-08 au
  Orbit Determination Parameters
   # obs. used (total)      139  
   data-arc span      5872 days (16.08 yr)  
   first obs. used      2003-09-28  
   last obs. used      2019-10-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52863  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 18:49:17  

Additional Information
 Earth MOID = 1.39798 au 
 Jupiter MOID = 2.39768 au 
 T_jup = 3.340 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457859.5 (2017-Apr-16.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1075951046390288 6.4101e-08  
q 2.276955727975994 1.5716e-07 au
tp 2457679.681870344928
(2016-Oct-18.18187035)
0.00019149 TDB
node 202.8677192754744 1.6303e-05 deg
peri 269.8450044216682 4.9259e-05 deg
i 20.92341054578213 9.3661e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      139  
   data-arc span      5872 days (16.08 yr)  
   first obs. used      2003-09-28  
   last obs. used      2019-10-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52863  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 18:49:17  

Additional Information
 Jupiter MOID = 2.39768 au 
 T_jup = 3.340 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.1088964807481E-15 -9.852382190836515E-15 5.009501335726199E-12 -8.734032518909057E-15 1.43521564938861E-12 -2.687048698245491E-15
q -9.852382190836515E-15 2.469916546113467E-14 -1.066824076031667E-11 2.336476637933449E-14 -3.105390494557109E-12 9.249713621030004E-15
tp 5.009501335726199E-12 -1.066824076031667E-11 3.666779161155874E-8 7.003426431590633E-11 8.901715833850055E-9 -6.777093282098063E-11
node -8.734032518909057E-15 2.336476637933449E-14 7.003426431590633E-11 2.658007559145527E-10 -2.316419424933272E-10 -6.399627345575429E-11
peri 1.43521564938861E-12 -3.105390494557109E-12 8.901715833850055E-9 -2.316419424933272E-10 2.42642379897667E-9 4.362796023162649E-11
i -2.687048698245491E-15 9.249713621030004E-15 -6.777093282098063E-11 -6.399627345575429E-11 4.362796023162649E-11 8.772418734644302E-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 16.6   n/a MPO456353  

487957 (2015 TL265)          Discovered 2007-Oct-13 by CSS at Catalina
Reference: Last Updated: 2017-03-14

Alternate Designations
 2015 TL265 = 2007 TO379 = 2011 SX161 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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