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390905 (2005 EA84)
Classification: Main-belt Asteroid          SPK-ID: 2390905
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1526352727491697 8.4328e-08  
a 2.679680365662156 2.7573e-08 au
q 2.270666622168718 2.3168e-07 au
i 12.71723517493067 1.0975e-05 deg
node 338.6110873892927 2.3374e-05 deg
peri 140.3381877470737 3.6524e-05 deg
M 252.4834654186096 2.757e-05 deg
tp 2459679.015131268639
(2022-Apr-09.51513127)
0.00012446 TDB
period 1602.222838816521
4.39
2.4729e-05
6.77e-08
d
yr
n .2246878469576138 3.4679e-09 deg/d
Q 3.088694109155594 3.1782e-08 au
  Orbit Determination Parameters
   # obs. used (total)      168  
   data-arc span      5671 days (15.53 yr)  
   first obs. used      2005-03-04  
   last obs. used      2020-09-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55889  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:25:14  

Additional Information
 Earth MOID = 1.30031 au 
 Jupiter MOID = 1.99962 au 
 T_jup = 3.325 
[ 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 16.90   n/a E2021B25  
diameter diameter 3.093 km 0.918 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.035   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

390905 (2005 EA84)          Discovered 2005-Mar-04 by CSS at Catalina
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Alternate Designations
 2005 EA84 = 2008 YG154 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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