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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1526352722884296 8.4328e-08  
a 2.679680365213065 2.7573e-08 au
q 2.27066662302281 2.3168e-07 au
i 12.71723515690851 1.0975e-05 deg
node 338.6110873537417 2.3374e-05 deg
peri 140.3381876312414 3.6524e-05 deg
M 252.4834656796424 2.757e-05 deg
tp 2459679.015129986588
(2022-Apr-09.51512999)		 0.00012446 TDB
period 1602.222838413742
4.39		 2.4729e-05
6.77e-08		 d
yr
n .2246878470140975 3.4679e-09 deg/d
Q 3.088694107403319 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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55886  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:37:29  

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

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)		 Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2152-Mar-24 18:31 00:05 Jupiter 1.99697715342642 1.99697621717375 1.99697808969804 4.24548579088463 4.14437509612389 2507145.271682643 5.48853672620913 612.582742771333 31.2593311197713 87.3994092601389 1339722.6759382 T 13 CATAB v2.0f-lin.ifort 2020-Nov-12 16:37:30 2020-Nov-12 16:37

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