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JPL Small-Body Database Browser
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382185 (2012 KF18)
Classification: Mars-crossing Asteroid          SPK-ID: 2382185
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1365863724448715 1.9216e-07  
a 1.848084390000059 1.2478e-08 au
q 1.595661247197958 3.5633e-07 au
i 22.64197846599005 1.7066e-05 deg
node 230.4690274942307 1.9134e-05 deg
peri 247.8178958746304 7.7005e-05 deg
M 24.86120146659759 7.1859e-05 deg
tp 2458537.127515015879
(2019-Feb-22.62751502)
0.00018307 TDB
period 917.6585703203286
2.51
9.2935e-06
2.544e-08
d
yr
n .3923027710342575 3.973e-09 deg/d
Q 2.10050753280216 1.4182e-08 au
  Orbit Determination Parameters
   # obs. used (total)      149  
   data-arc span      4267 days (11.68 yr)  
   first obs. used      2007-05-18  
   last obs. used      2019-01-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50652  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:42:13  

Additional Information
 Earth MOID = .695091 au 
 Jupiter MOID = 3.17426 au 
 T_jup = 3.905 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457241.5 (2015-Aug-07.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1365219841725537 1.9176e-07  
q 1.595978503415763 3.5559e-07 au
tp 2457619.581972471625
(2016-Aug-19.08197247)
0.00018207 TDB
node 230.4800870526779 1.9138e-05 deg
peri 247.8732124434432 7.7055e-05 deg
i 22.63717746467248 1.7063e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      149  
   data-arc span      4267 days (11.68 yr)  
   first obs. used      2007-05-18  
   last obs. used      2019-01-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50652  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:42:13  

Additional Information
 Jupiter MOID = 3.17426 au 
 T_jup = 3.905 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.677308328526364E-14 -6.81580532955716E-14 -3.362581110466782E-11 -9.943001132701092E-13 -1.386685486068449E-11 -1.685629171881439E-12
q -6.81580532955716E-14 1.264442122351338E-13 6.234388613527875E-11 1.843606248905575E-12 2.569182949686464E-11 3.129086446422597E-12
tp -3.362581110466782E-11 6.234388613527875E-11 3.314784340634409E-8 9.465891903252297E-10 1.366022673472325E-8 1.586349532511846E-9
node -9.943001132701092E-13 1.843606248905575E-12 9.465891903252297E-10 3.66252374592884E-10 7.709690037514584E-11 2.55530757776362E-10
peri -1.386685486068449E-11 2.569182949686464E-11 1.366022673472325E-8 7.709690037514584E-11 5.937428871385996E-9 4.593917471432588E-10
i -1.685629171881439E-12 3.129086446422597E-12 1.586349532511846E-9 2.55530757776362E-10 4.593917471432588E-10 2.911546243975248E-10

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.6   n/a MPO418951  

382185 (2012 KF18)          Discovered 2007-May-18 by PMO NEO Survey Program at XuYi
Reference: Last Updated: 2013-12-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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