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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 ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0587387182651079 1.0304e-07  
a 3.141184113411216 5.1795e-08 au
q 2.956674984754722 3.0529e-07 au
i 8.228718172038002 9.2905e-06 deg
node 215.6040994131984 4.8608e-05 deg
peri 75.03814917597568 9.9276e-05 deg
M 77.92845655398871 8.2971e-05 deg
tp 2458760.318192589557
(2019-Oct-03.81819259)		 0.00046906 TDB
period 2033.473491906962
5.57		 5.0295e-05
1.377e-07		 d
yr
n .1770369770900712 4.3788e-09 deg/d
Q 3.32569324206771 5.4838e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56076  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 17:22:49  

Additional Information
 Earth MOID = 1.95297 au 
 Jupiter MOID = 1.77772 au 
 T_jup = 3.192 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457769.5 (2017-Jan-16.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06089471656685667 1.0071e-07  
q 2.949891632042604 2.9904e-07 au
tp 2458774.673467758531
(2019-Oct-18.17346776)		 0.00045721 TDB
node 215.7098977414275 4.8487e-05 deg
peri 77.82919948071958 9.7903e-05 deg
i 8.23872468557955 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56076  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 17:22:49  

Additional Information
 Jupiter MOID = 1.77772 au 
 T_jup = 3.192 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.014150559765747E-14 -2.978855800511327E-14 -1.470066924477136E-12 4.189276090683021E-15 -1.293302881938078E-12 -1.636151297783218E-14
q -2.978855800511327E-14 8.942580037965392E-14 2.459508621038628E-12 -1.696320527894278E-14 3.284599331474835E-12 5.240059860709991E-14
tp -1.470066924477136E-12 2.459508621038628E-12 2.090447272203768E-7 -1.991761819276071E-11 3.863452190257886E-8 -6.478559089946537E-11
node 4.189276090683021E-15 -1.696320527894278E-14 -1.991761819276071E-11 2.351007794211495E-9 -2.329496876364731E-9 -2.087398159913731E-10
peri -1.293302881938078E-12 3.284599331474835E-12 3.863452190257886E-8 -2.329496876364731E-9 9.584962905933634E-9 1.958024599475037E-10
i -1.636151297783218E-14 5.240059860709991E-14 -6.478559089946537E-11 -2.087398159913731E-10 1.958024599475037E-10 8.66255625877304E-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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