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JPL Small-Body Database Browser
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154106 (2002 EK8)
Classification: Main-belt Asteroid          SPK-ID: 2154106
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01477399028605423 5.4775e-08  
a 2.781929414783166 2.5145e-08 au
q 2.740829216632672 1.5162e-07 au
i .4740019655357355 5.4985e-06 deg
node 71.22807722035526 0.00086526 deg
peri 168.1429780828971 0.00090524 deg
M 264.7052335455949 0.0002699 deg
tp 2459449.125686550329
(2021-Aug-22.62568655)
0.0012724 TDB
period 1694.796610214605
4.64
2.2978e-05
6.291e-08
d
yr
n .2124148690351786 2.88e-09 deg/d
Q 2.823029612933661 2.5517e-08 au
  Orbit Determination Parameters
   # obs. used (total)      382  
   data-arc span      9787 days (26.80 yr)  
   first obs. used      1993-03-22  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57572  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 20:02:28  

Additional Information
 Earth MOID = 1.72752 au 
 Jupiter MOID = 2.14385 au 
 T_jup = 3.333 
[ 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 15.8   n/a MPO453999  
diameter diameter 4.067 km 0.423 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.056   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

154106 (2002 EK8)          Discovered 2002-Mar-07 by Asiago-DLR Asteroid Survey at Cima Ekar
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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