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JPL Small-Body Database Browser
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487941 (2015 TK231)
Classification: Main-belt Asteroid          SPK-ID: 2487941
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05111735793914825 5.4355e-08  
a 2.584010568882181 3.3581e-08 au
q 2.451922775714088 1.4917e-07 au
i 12.61807833674174 6.0371e-06 deg
node 346.0415983756678 2.3621e-05 deg
peri 224.250428040023 6.1313e-05 deg
M 240.9605534511287 5.9417e-05 deg
tp 2459502.181693272017
(2021-Oct-14.68169327)
0.00025542 TDB
period 1517.189593987058
4.15
2.9575e-05
8.097e-08
d
yr
n .2372808259605496 4.6254e-09 deg/d
Q 2.716098362050273 3.5297e-08 au
  Orbit Determination Parameters
   # obs. used (total)      178  
   data-arc span      4907 days (13.43 yr)  
   first obs. used      2006-08-18  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45006  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 15:29:22  

Additional Information
 Earth MOID = 1.46455 au 
 Jupiter MOID = 2.28026 au 
 T_jup = 3.387 
[ 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 16.5   n/a MPO456353  

487941 (2015 TK231)          Discovered 2006-Aug-18 by Spacewatch at Kitt Peak
Reference: Last Updated: 2017-03-14

Alternate Designations
 2015 TK231 = 2006 QD147 = 2014 OQ261 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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