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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1305122688417115 9.7557e-08  
a 3.109279406698132 7.8831e-08 au
q 2.703480296867149 3.0537e-07 au
i 17.15372828711677 1.2418e-05 deg
node 119.6928371500017 3.212e-05 deg
peri 129.0407395361642 5.8536e-05 deg
M 279.5328543513206 5.4102e-05 deg
tp 2459048.114501427021
(2020-Jul-17.61450143)
0.0003117 TDB
period 2002.571598814651
5.48
7.6158e-05
2.085e-07
d
yr
n .1797688533149521 6.8366e-09 deg/d
Q 3.515078516529116 8.9119e-08 au
  Orbit Determination Parameters
   # obs. used (total)      92  
   data-arc span      4070 days (11.14 yr)  
   first obs. used      2008-01-13  
   last obs. used      2019-03-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57199  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:19:00  

Additional Information
 Earth MOID = 1.72225 au 
 Jupiter MOID = 1.76569 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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