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56650 (2000 KE42)
Classification: Main-belt Asteroid          SPK-ID: 2056650
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1458360612318396 5.4187e-08  
a 2.473122787982496 1.0884e-08 au
q 2.112452301640423 1.346e-07 au
i 15.31989619144447 5.7673e-06 deg
node 147.9472577278058 1.1994e-05 deg
peri 187.8159724443721 1.9837e-05 deg
M 339.843596286679 1.2648e-05 deg
tp 2459080.038517703811
(2020-Aug-18.53851770)
4.9723e-05 TDB
period 1420.584087351284
3.89
9.378e-06
2.568e-08
d
yr
n .2534168890144542 1.6729e-09 deg/d
Q 2.83379327432457 1.2472e-08 au
  Orbit Determination Parameters
   # obs. used (total)      966  
   data-arc span      7925 days (21.70 yr)  
   first obs. used      1999-02-09  
   last obs. used      2020-10-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56871  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:58:24  

Additional Information
 Earth MOID = 1.10305 au 
 Jupiter MOID = 2.54332 au 
 T_jup = 3.420 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.2   n/a MPO474448  
diameter diameter 3.646 km 0.328 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.121   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

56650 (2000 KE42)          Discovered 2000-May-28 by LINEAR at Socorro
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2000 KE42 = 1999 CP137 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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