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487831 (2015 TK75)
Classification: Main-belt Asteroid          SPK-ID: 2487831
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .05898360274482815 1.0398e-07  
a 3.141918413731803 1.0098e-07 au
q 2.956596746159586 3.3001e-07 au
i 8.228024448163096 1.0197e-05 deg
node 215.608400527023 5.7338e-05 deg
peri 75.14731738808395 0.0001064 deg
M 42.39488760688216 9.2215e-05 deg
tp 2458760.946914182975
(2019-Oct-04.44691418)
0.00051697 TDB
period 2034.186567347554
5.57
9.8068e-05
2.685e-07
d
yr
n .1769749175314909 8.5319e-09 deg/d
Q 3.32724008130402 1.0694e-07 au
  Orbit Determination Parameters
   # obs. used (total)      96  
   data-arc span      4904 days (13.43 yr)  
   first obs. used      2004-11-10  
   last obs. used      2018-04-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57146  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-15 06:48:55  

Additional Information
 Earth MOID = 1.9548 au 
 Jupiter MOID = 1.77808 au 
 T_jup = 3.192 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456931.5 (2014-Oct-01.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06068650629587179 1.0132e-07  
q 2.952519554332576 3.2182e-07 au
tp 2456744.278946251703
(2014-Mar-27.77894625)
0.00048896 TDB
node 215.7128875747486 5.7206e-05 deg
peri 78.47013362988042 0.00010591 deg
i 8.235928717055764 1.0211e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      96  
   data-arc span      4904 days (13.43 yr)  
   first obs. used      2004-11-10  
   last obs. used      2018-04-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57146  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-15 06:48:55  

Additional Information
 Jupiter MOID = 1.77808 au 
 T_jup = 3.192 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.026486250985114E-14 -3.120986165369444E-14 -5.548789397934166E-12 -1.367020280648692E-14 -1.623583010229301E-12 -1.981078278460445E-14
q -3.120986165369444E-14 1.03566432749398E-13 2.413899144604233E-11 4.587974923971497E-14 6.378280408261074E-12 7.051628949169679E-14
tp -5.548789397934166E-12 2.413899144604233E-11 2.390775331365838E-7 6.261855314015592E-11 4.355173866896243E-8 -3.88214013417428E-11
node -1.367020280648692E-14 4.587974923971497E-14 6.261855314015592E-11 3.272565168533615E-9 -3.225881081869266E-9 -8.481791518959119E-11
peri -1.623583010229301E-12 6.378280408261074E-12 4.355173866896243E-8 -3.225881081869266E-9 1.121746673624244E-8 7.827267480744365E-11
i -1.981078278460445E-14 7.051628949169679E-14 -3.88214013417428E-11 -8.481791518959119E-11 7.827267480744365E-11 1.042654666579731E-10

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.2   n/a MPO450510  

487831 (2015 TK75)          Discovered 2009-Sep-18 by Spacewatch at Kitt Peak
Reference: Last Updated: 2017-03-14

[ show close-approach data ]
Alternate Designations
 2015 TK75 = 2009 SY114 = 2012 DB70 = 2014 RT26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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