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392178 (2009 KN19)
Classification: Main-belt Asteroid          SPK-ID: 2392178
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 .1307382631110938 9.4953e-08  
a 3.109399554480299 4.7029e-08 au
q 2.702882057409136 3.0464e-07 au
i 17.15417725533701 6.6673e-06 deg
node 119.6937266261788 3.073e-05 deg
peri 129.136934257383 4.3081e-05 deg
M 351.3741714571873 2.5259e-05 deg
tp 2459048.485668058406
(2020-Jul-17.98566806)
0.00014024 TDB
period 2002.68767403454
5.48
4.5436e-05
1.244e-07
d
yr
n .179758433962275 4.0782e-09 deg/d
Q 3.515917051551463 5.3178e-08 au
  Orbit Determination Parameters
   # obs. used (total)      158  
   data-arc span      4537 days (12.42 yr)  
   first obs. used      2008-01-13  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47027  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 06:55:17  

Additional Information
 Earth MOID = 1.72191 au 
 Jupiter MOID = 1.76608 au 
 T_jup = 3.138 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458358.5 (2018-Aug-28.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1304173808232971 9.4975e-08  
q 2.704424860168152 3.0463e-07 au
tp 2459047.751234157982
(2020-Jul-17.25123416)
0.0001407 TDB
node 119.6912604664172 3.0734e-05 deg
peri 128.9392183098224 4.3148e-05 deg
i 17.15187749075039 6.6672e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      158  
   data-arc span      4537 days (12.42 yr)  
   first obs. used      2008-01-13  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47027  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 06:55:17  

Additional Information
 Jupiter MOID = 1.76608 au 
 T_jup = 3.138 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.020271652531326E-15 -2.867512104782106E-14 6.653183214093768E-13 -7.604764667911522E-14 5.028343312370056E-13 -6.628249767776407E-14
q -2.867512104782106E-14 9.279742750194811E-14 -3.521555087350799E-12 2.492006624333887E-13 -2.01908569495396E-12 2.178682275495939E-13
tp 6.653183214093768E-13 -3.521555087350799E-12 1.979743661554264E-8 -3.617002795732741E-11 4.348270984693352E-9 1.067382159012251E-11
node -7.604764667911522E-14 2.492006624333887E-13 -3.617002795732741E-11 9.445812930978121E-10 -9.134892416576707E-10 -9.805425158438833E-11
peri 5.028343312370056E-13 -2.01908569495396E-12 4.348270984693352E-9 -9.134892416576707E-10 1.861728916763721E-9 9.354903599316697E-11
i -6.628249767776407E-14 2.178682275495939E-13 1.067382159012251E-11 -9.805425158438833E-11 9.354903599316697E-11 4.445160705609676E-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 15.7   n/a MPO434452  
diameter diameter 4.660 km 0.247 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.047   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

392178 (2009 KN19)          Discovered 2009-May-28 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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