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JPL Small-Body Database Browser
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392320 (2010 EP42)
Classification: Main-belt Asteroid          SPK-ID: 2392320
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2227602233298055 5.6143e-08  
a 2.62865191314973 3.482e-08 au
q 2.043092825920175 1.5363e-07 au
i 5.192389679039564 1.3987e-05 deg
node 94.19863537969408 7.3242e-05 deg
peri 69.42494749076623 0.00010715 deg
M 52.90028163324189 6.7068e-05 deg
tp 2458371.753988106970
(2018-Sep-10.25398811)
0.00028623 TDB
period 1556.675347258341
4.26
3.0931e-05
8.468e-08
d
yr
n .2312620936883479 4.5951e-09 deg/d
Q 3.214211000379284 4.2577e-08 au
  Orbit Determination Parameters
   # obs. used (total)      121  
   data-arc span      9631 days (26.37 yr)  
   first obs. used      1993-02-22  
   last obs. used      2019-07-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62768  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:08:43  

Additional Information
 Earth MOID = 1.05854 au 
 Jupiter MOID = 1.78507 au 
 T_jup = 3.360 
[ 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 17.3   n/a MPO281924  
diameter diameter 2.272 km 0.065 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.049   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

392320 (2010 EP42)          Discovered 2010-Mar-04 by CSS at Catalina
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Alternate Designations
 2010 EP42 = 2006 GK55 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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