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487886 (2015 TC146)
Classification: Main-belt Asteroid          SPK-ID: 2487886
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1204543720562748 6.0541e-08  
a 2.768245195402885 4.5636e-08 au
q 2.434797958692831 1.8887e-07 au
i 3.548854050804459 1.2608e-05 deg
node 309.9307795607473 0.00010728 deg
peri 97.36923748988542 0.00012647 deg
M 340.1457824849142 6.936e-05 deg
tp 2459093.280249029762
(2020-Aug-31.78024903)
0.00032563 TDB
period 1682.30702747844
4.61
4.1601e-05
1.139e-07
d
yr
n .2139918541145212 5.2917e-09 deg/d
Q 3.101692432112939 5.1133e-08 au
  Orbit Determination Parameters
   # obs. used (total)      109  
   data-arc span      4711 days (12.90 yr)  
   first obs. used      2006-10-04  
   last obs. used      2019-08-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51835  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 08:19:46  

Additional Information
 Earth MOID = 1.44774 au 
 Jupiter MOID = 2.2617 au 
 T_jup = 3.325 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457641.5 (2016-Sep-10.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1206156968104693 6.2938e-08  
q 2.434553190816376 1.9764e-07 au
tp 2457401.186125434315
(2016-Jan-13.68612543)
0.00029636 TDB
node 310.2831654068309 0.00010732 deg
peri 95.35046597297864 0.00012618 deg
i 3.546127696813401 1.2611e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      109  
   data-arc span      4711 days (12.90 yr)  
   first obs. used      2006-10-04  
   last obs. used      2019-08-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51835  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 08:19:46  

Additional Information
 Jupiter MOID = 2.2617 au 
 T_jup = 3.325 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.96122410455653E-15 -1.22278673377058E-14 -8.439277753218419E-12 -3.006463402384606E-14 -1.91372861031628E-12 -7.748043614958277E-15
q -1.22278673377058E-14 3.906082856868965E-14 3.080856727952167E-11 1.081244964926093E-13 6.987943519829775E-12 2.766930335815041E-14
tp -8.439277753218419E-12 3.080856727952167E-11 8.782952654911104E-8 1.980434052342987E-10 1.969586125275567E-8 2.911247559764673E-11
node -3.006463402384606E-14 1.081244964926093E-13 1.980434052342987E-10 1.151832841072458E-8 -1.14506168612458E-8 4.63905176317492E-10
peri -1.91372861031628E-12 6.987943519829775E-12 1.969586125275567E-8 -1.14506168612458E-8 1.592111265985659E-8 -4.563572533929383E-10
i -7.748043614958277E-15 2.766930335815041E-14 2.911247559764673E-11 4.63905176317492E-10 -4.563572533929383E-10 1.590481293679347E-10

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.0   n/a MPO495392  

487886 (2015 TC146)          Discovered 2006-Oct-04 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2017-03-14

Alternate Designations
 2015 TC146 = 2011 YR30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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