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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.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09055443501975791 4.2111e-08  
a 3.246667842385336 2.9611e-08 au
q 2.952667670221315 1.4362e-07 au
i 6.681965301528068 4.4009e-06 deg
node 69.15412252325723 3.9987e-05 deg
peri 355.7233429457618 4.7304e-05 deg
M 307.0706783254602 2.5075e-05 deg
tp 2459314.658665534300
(2021-Apr-10.15866553)
0.00014886 TDB
period 2136.757396737056
5.85
2.9233e-05
8.004e-08
d
yr
n .1684795852583636 2.3049e-09 deg/d
Q 3.540668014549357 3.2293e-08 au
  Orbit Determination Parameters
   # obs. used (total)      490  
   data-arc span      12283 days (33.63 yr)  
   first obs. used      1987-04-01  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52482  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 23:42:40  

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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