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198765 (2005 EX94)
Classification: Outer Main-belt Asteroid          SPK-ID: 2198765
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbit Diagram
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Note: This Java-based orbit viewer will eventually be retired.

Note: Make sure you have Java enabled on your browser to see the applet. This applet is provided as a 3D orbit visualization tool. The applet 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. For accurate long-term ephemerides, please instead use our Horizons system.

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Orbit Viewer

Additional Notes: the orbits shown in the applet are color coded. The planets are white lines, and the asteroid/comet is a blue line. The bright white line indicates the portion of the orbit that is above the ecliptic plane, and the darker portion is below the ecliptic plane. Likewise for the asteroid/comet orbit, the light blue indicates the portion above the ecliptic plane, and the dark blue the portion below the ecliptic plane.

Orbit Viewer applet originally written and kindly provided by Osamu Ajiki (AstroArts), and further modified by Ron Baalke (JPL).


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09055435841304516 4.2246e-08  
a 3.246667863672778 3.9359e-08 au
q 2.952667938297637 1.4437e-07 au
i 6.68196177615856 4.643e-06 deg
node 69.15411225500053 4.4491e-05 deg
peri 355.7233550071057 5.404e-05 deg
M 307.0706682007013 3.3304e-05 deg
tp 2459314.658728718939
(2021-Apr-10.15872872)		 0.00020019 TDB
period 2136.757417752187
5.85		 3.8856e-05
1.064e-07		 d
yr
n .1684795836013573 3.0637e-09 deg/d
Q 3.540667789047918 4.2923e-08 au
   Orbit Determination Parameters
   # obs. used (total)      408  
   data-arc span      11833 days (32.40 yr)  
   first obs. used      1987-04-01  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55339  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 03:58:49  

Additional Information
 Earth MOID = 1.96626 au 
 Jupiter MOID = 1.74706 au 
 T_jup = 3.165 
[ 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 15.1   n/a MPO449974  
diameter diameter 5.400 km 0.392 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.066   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

198765 (2005 EX94)          Discovered 2005-Mar-10 by Lowe, A. at Mayhill
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

[ show close-approach data ]
Alternate Designations
 2005 EX94 = 2003 YF73 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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