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56639 (2000 KE19)
Classification: Main-belt Asteroid          SPK-ID: 2056639
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08088386633356118 3.4086e-08  
a 2.342028379514967 1.0099e-08 au
q 2.152596069116871 8.15e-08 au
i 5.708342708756303 4.1743e-06 deg
node 247.7178891415483 4.2178e-05 deg
peri 242.4514407576853 5.3418e-05 deg
M 314.3809461303248 3.5301e-05 deg
tp 2459166.393904908463
(2020-Nov-12.89390491)
0.00012883 TDB
period 1309.141700695074
3.58
8.4673e-06
2.318e-08
d
yr
n .2749893306498923 1.7786e-09 deg/d
Q 2.531460689913062 1.0915e-08 au
  Orbit Determination Parameters
   # obs. used (total)      924  
   data-arc span      7979 days (21.85 yr)  
   first obs. used      1998-12-16  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51772  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:58:27  

Additional Information
 Earth MOID = 1.17454 au 
 Jupiter MOID = 2.52311 au 
 T_jup = 3.552 
[ 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 MPO347902  
diameter diameter 1.896 km 0.460 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.448   0.204 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

56639 (2000 KE19)          Discovered 2000-May-28 by LINEAR at Socorro
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 KE19 = 2001 QZ259 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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