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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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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.


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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

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