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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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05898356443591584 1.0302e-07  
a 3.141918528732941 5.2155e-08 au
q 2.956596974741024 3.052e-07 au
i 8.228024534605815 9.2895e-06 deg
node 215.6084577847526 4.8611e-05 deg
peri 75.14728502055532 9.9015e-05 deg
M 42.39484402886609 8.268e-05 deg
tp 2458760.947147269107
(2019-Oct-04.44714727)
0.00046742 TDB
period 2034.186679031122
5.57
5.065e-05
1.387e-07
d
yr
n .1769749078149834 4.4066e-09 deg/d
Q 3.327240082724858 5.5231e-08 au
  Orbit Determination Parameters
   # obs. used (total)      132  
   data-arc span      5844 days (16.00 yr)  
   first obs. used      2004-11-10  
   last obs. used      2020-11-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56064  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 07:16:50  

Additional Information
 Earth MOID = 1.9548 au 
 Jupiter MOID = 1.77808 au 
 T_jup = 3.192 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457769.5 (2017-Jan-16.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06089471663419722 1.0071e-07  
q 2.949891632196495 2.9904e-07 au
tp 2458774.673467684387
(2019-Oct-18.17346768)
0.00045721 TDB
node 215.7098976918591 4.8487e-05 deg
peri 77.82919953775313 9.7903e-05 deg
i 8.238724686664515 9.3073e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      132  
   data-arc span      5844 days (16.00 yr)  
   first obs. used      2004-11-10  
   last obs. used      2020-11-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56064  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 07:16:50  

Additional Information
 Jupiter MOID = 1.77808 au 
 T_jup = 3.192 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.014150396775277E-14 -2.97885518770394E-14 -1.470065320785217E-12 4.189265180313139E-15 -1.293302699244824E-12 -1.636151016975751E-14
q -2.97885518770394E-14 8.942577929805438E-14 2.459503485686991E-12 -1.696316846296648E-14 3.284598526620536E-12 5.240058821671827E-14
tp -1.470065320785217E-12 2.459503485686991E-12 2.090447101788575E-7 -1.991758897025583E-11 3.863451898386401E-8 -6.478559593187311E-11
node 4.189265180313139E-15 -1.696316846296648E-14 -1.991758897025583E-11 2.351007800073221E-9 -2.32949687627314E-9 -2.087398170514931E-10
peri -1.293302699244824E-12 3.284598526620536E-12 3.863451898386401E-8 -2.32949687627314E-9 9.584962464314678E-9 1.958024601462347E-10
i -1.636151016975751E-14 5.240058821671827E-14 -6.478559593187311E-11 -2.087398170514931E-10 1.958024601462347E-10 8.662556185133164E-11

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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