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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1461651114224158 6.215e-08  
a 2.472144152391716 1.4858e-08 au
q 2.110802926905107 1.5696e-07 au
i 15.31633519511685 6.7132e-06 deg
node 147.9845117224219 1.8644e-05 deg
peri 188.030440198584 2.5892e-05 deg
M 238.2453910971047 1.6883e-05 deg
tp 2459080.666683184305
(2020-Aug-19.16668318)
6.7088e-05 TDB
period 1419.74096507684
3.89
1.2799e-05
3.504e-08
d
yr
n .2535673822587178 2.2859e-09 deg/d
Q 2.833485377878325 1.703e-08 au
  Orbit Determination Parameters
   # obs. used (total)      583  
   data-arc span      7386 days (20.22 yr)  
   first obs. used      1999-02-09  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66051  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:26:08  

Additional Information
 Earth MOID = 1.10058 au 
 Jupiter MOID = 2.54107 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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