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392795 (2012 TK186)
Classification: Main-belt Asteroid          SPK-ID: 2392795
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .162457969249426 1.5578e-07  
a 2.974891997555619 5.5611e-08 au
q 2.491597084896365 4.7957e-07 au
i 11.66902037295269 1.7024e-05 deg
node 45.20738646011957 3.2405e-05 deg
peri 19.08180294822885 5.2111e-05 deg
M 165.1865898006268 3.6499e-05 deg
tp 2458140.541450065538
(2018-Jan-22.04145007)
0.00018126 TDB
period 1874.153818116001
5.13
5.2552e-05
1.439e-07
d
yr
n .1920866881470226 5.3862e-09 deg/d
Q 3.458186910214873 6.4646e-08 au
  Orbit Determination Parameters
   # obs. used (total)      160  
   data-arc span      5878 days (16.09 yr)  
   first obs. used      2004-03-18  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51912  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 01:24:43  

Additional Information
 Earth MOID = 1.50749 au 
 Jupiter MOID = 1.92657 au 
 T_jup = 3.210 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457771.5 (2017-Jan-18.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1631046511526356 1.554e-07  
q 2.490395992447651 4.7869e-07 au
tp 2458141.831065650451
(2018-Jan-23.33106565)
0.0001814 TDB
node 45.21331731225497 3.24e-05 deg
peri 19.32020858020374 5.2083e-05 deg
i 11.66979816251846 1.7025e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      160  
   data-arc span      5878 days (16.09 yr)  
   first obs. used      2004-03-18  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51912  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 01:24:43  

Additional Information
 Jupiter MOID = 1.92657 au 
 T_jup = 3.210 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.414857767511949E-14 -7.406302293105798E-14 -2.03646658071378E-11 -2.396448800040558E-14 -4.435456996639161E-12 -1.469281103915983E-14
q -7.406302293105798E-14 2.29142460407744E-13 6.312237121564975E-11 7.316013257663965E-14 1.365175133651331E-11 5.129373795429728E-14
tp -2.03646658071378E-11 6.312237121564975E-11 3.29060347976478E-8 1.668599318555935E-11 7.398366460171456E-9 -9.053607108152477E-12
node -2.396448800040558E-14 7.316013257663965E-14 1.668599318555935E-11 1.049759545902896E-9 -1.023268229803429E-9 -9.68729379358522E-11
peri -4.435456996639161E-12 1.365175133651331E-11 7.398366460171456E-9 -1.023268229803429E-9 2.712681386537085E-9 9.23457925817386E-11
i -1.469281103915983E-14 5.129373795429728E-14 -9.053607108152477E-12 -9.68729379358522E-11 9.23457925817386E-11 2.89854966825667E-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 16.3   n/a MPO434457  

392795 (2012 TK186)          Discovered 2004-Mar-18 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

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