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154993 (2005 EA94)
Classification: Apollo [NEO]          SPK-ID: 2154993
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 59 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6635832978878934 7.7406e-08  
a 1.516331035934519 3.6702e-09 au
q .510119086419325 1.1769e-07 au
i 10.32845188043574 8.2498e-06 deg
node 104.1161831292481 4.1995e-05 deg
peri 308.990191858914 4.171e-05 deg
M 79.94372633542099 8.1716e-06 deg
tp 2458849.049277325351
(2019-Dec-31.54927733)
1.527e-05 TDB
period 682.0079906472432
1.87
2.4761e-06
6.779e-09
d
yr
n .5278530529508176 1.9164e-09 deg/d
Q 2.522542985449713 6.1056e-09 au
  Orbit Determination Parameters
   # obs. used (total)      189  
   data-arc span      6471 days (17.72 yr)  
   first obs. used      2002-06-01  
   last obs. used      2020-02-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57094  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-20 04:54:12  

Additional Information
 Earth MOID = .0749991 au 
 Jupiter MOID = 2.89953 au 
 T_jup = 4.226 
[ 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 17.8   n/a MPO417827  
diameter diameter 0.828 km 0.050 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)  
geometric albedo albedo 0.195   0.052 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)  

154993 (2005 EA94)          Discovered 2005-Mar-08 by LINEAR at Socorro
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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