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JPL Small-Body Database Browser
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392177 (2009 KM19)
Classification: Main-belt Asteroid          SPK-ID: 2392177
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09453188576153486 8.7699e-08  
a 3.149004221428745 6.9026e-08 au
q 2.851322914106052 3.0268e-07 au
i 17.39484210661107 6.9493e-06 deg
node 124.8457142402022 3.2084e-05 deg
peri 211.9260419019953 5.1855e-05 deg
M 257.5450509142811 4.1568e-05 deg
tp 2459581.383087608347
(2022-Jan-01.88308761)
0.00023922 TDB
period 2041.071840893177
5.59
6.7111e-05
1.837e-07
d
yr
n .1763779171253783 5.7993e-09 deg/d
Q 3.446685528751439 7.5551e-08 au
  Orbit Determination Parameters
   # obs. used (total)      119  
   data-arc span      3999 days (10.95 yr)  
   first obs. used      2009-05-16  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54965  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 01:23:00  

Additional Information
 Earth MOID = 1.85282 au 
 Jupiter MOID = 1.89716 au 
 T_jup = 3.130 
[ 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 15.6   n/a MPO455783  
diameter diameter 5.094 km 0.213 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.039   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

392177 (2009 KM19)          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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