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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1307382604041083 9.4887e-08  
a 3.109399554635235 4.6698e-08 au
q 2.702882065960915 3.0434e-07 au
i 17.15417850792977 6.5104e-06 deg
node 119.6937328438368 3.0122e-05 deg
peri 129.1369278682853 4.2523e-05 deg
M 351.3741719096749 2.4827e-05 deg
tp 2459048.485665544794
(2020-Jul-17.98566554)
0.00013781 TDB
period 2002.687674184226
5.48
4.5115e-05
1.235e-07
d
yr
n .1797584339488394 4.0495e-09 deg/d
Q 3.515917043309555 5.2803e-08 au
  Orbit Determination Parameters
   # obs. used (total)      169  
   data-arc span      4569 days (12.51 yr)  
   first obs. used      2008-01-13  
   last obs. used      2020-07-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46326  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:27:11  

Additional Information
 Earth MOID = 1.72191 au 
 Jupiter MOID = 1.76608 au 
 T_jup = 3.138 
[ show covariance matrix ]

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

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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