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(2005 EY169)
Classification: Apollo [NEO]          SPK-ID: 3274304
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | 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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2326203222053533 7.0203e-07  
a 1.306738434164601 1.1481e-08 au
q 1.002764518571112 9.2005e-07 au
i 20.8863711772842 6.0222e-05 deg
node 346.9036811010207 7.6465e-06 deg
peri 227.756587153073 0.00028731 deg
M 166.1451530718584 0.00014805 deg
tp 2458948.693695365115
(2020-Apr-09.19369536)
0.00022509 TDB
period 545.6088726786505
1.49
7.1907e-06
1.969e-08
d
yr
n .6598133168776943 8.6958e-09 deg/d
Q 1.610712349758089 1.4152e-08 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A2 [EST] -1.165719818426477E-13 2.884E-14
ALN [SET] 1. n/a
NK [SET] 0. n/a
NM [SET] 2. n/a
R0 [SET] 1. n/a
  Orbit Determination Parameters
   # obs. used (total)      165  
   data-arc span      4366 days (11.95 yr)  
   first obs. used      2005-03-13  
   last obs. used      2017-02-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4107  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 22:34:11  

Additional Information
 Earth MOID = .0691115 au 
 Jupiter MOID = 3.41303 au 
 T_jup = 4.893 
 Nongravitational accels. using nonstandard g(r) = (1 au/ r)^2 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 22.2   n/a MPO402942  

[ show close-approach data ]
Alternate Designations
 2005 EY169 = 2008 EK 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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