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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 75 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6635833235705602 4.9907e-08  
a 1.516331035420808 3.1381e-09 au
q .5101190473030793 7.5615e-08 au
i 10.32844803098142 6.0716e-06 deg
node 104.116197896776 3.5918e-05 deg
peri 308.9901782223831 3.4939e-05 deg
M 79.94372573741811 6.5978e-06 deg
tp 2458849.049278535212
(2019-Dec-31.54927854)
1.2311e-05 TDB
period 682.0079903006616
1.87
2.1171e-06
5.796e-09
d
yr
n .5278530532190611 1.6386e-09 deg/d
Q 2.522543023538536 5.2204e-09 au
  Orbit Determination Parameters
   # obs. used (total)      298  
   data-arc span      6515 days (17.84 yr)  
   first obs. used      2002-06-01  
   last obs. used      2020-04-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4941  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Apr-05 06:26:59  

Additional Information
 Earth MOID = .074999 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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