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117598 (2005 EA69)
Classification: Main-belt Asteroid          SPK-ID: 2117598
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1343066443392905 3.8205e-08  
a 3.184887164290493 3.1523e-08 au
q 2.757135656655358 1.2685e-07 au
i 4.395421625324587 5.5549e-06 deg
node 211.7598606619034 6.398e-05 deg
peri 246.4759852927848 7.0164e-05 deg
M 313.5203503526196 2.7447e-05 deg
tp 2459268.540147167975
(2021-Feb-23.04014717)
0.00015994 TDB
period 2076.058096662296
5.68
3.0822e-05
8.439e-08
d
yr
n .1734055518864218 2.5744e-09 deg/d
Q 3.612638671925628 3.5756e-08 au
  Orbit Determination Parameters
   # obs. used (total)      626  
   data-arc span      8150 days (22.31 yr)  
   first obs. used      1997-10-01  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50701  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 05:48:00  

Additional Information
 Earth MOID = 1.77774 au 
 Jupiter MOID = 1.58876 au 
 T_jup = 3.180 
[ 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 14.7   n/a MPO412803  
diameter diameter 5.500 km 0.249 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.093   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

117598 (2005 EA69)          Discovered 2005-Mar-07 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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Alternate Designations
 2005 EA69 = 2002 SA25 = 2003 YK88 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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