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469131 (2015 EU23)
Classification: Main-belt Asteroid          SPK-ID: 2469131
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07696179591100669 4.2132e-08  
a 2.909353991487469 2.8032e-08 au
q 2.685444883361738 1.2733e-07 au
i 12.81083291363708 5.2745e-06 deg
node 144.4479666018618 2.1004e-05 deg
peri 252.6682222304565 3.9829e-05 deg
M 130.1594062993381 3.3575e-05 deg
tp 2458345.160515766342
(2018-Aug-14.66051577)
0.00016931 TDB
period 1812.563694256161
4.96
2.6197e-05
7.172e-08
d
yr
n .1986137100399865 2.8705e-09 deg/d
Q 3.133263099613201 3.019e-08 au
  Orbit Determination Parameters
   # obs. used (total)      250  
   data-arc span      9111 days (24.94 yr)  
   first obs. used      1995-02-21  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55934  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 13:54:52  

Additional Information
 Earth MOID = 1.72308 au 
 Jupiter MOID = 2.20419 au 
 T_jup = 3.242 
[ 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 16.1   n/a MPO434685  
diameter diameter 4.905 km 1.374 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.097   0.052 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

469131 (2015 EU23)          Discovered 2008-Nov-19 by CSS at Catalina
Reference: Last Updated: 2016-06-21

Alternate Designations
 2015 EU23 = 2008 WZ131 = 2010 JR91 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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