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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.


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Orbital Elements at Epoch 2455353.5 (2010-Jun-06.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2330986550400503 7.0103e-07  
a 1.308067523980542 5.4564e-09 au
q 1.003158743439109 9.1702e-07 au
i 20.89051624519504 6.0211e-05 deg
node 346.9778286319552 7.7213e-06 deg
peri 227.514804255181 0.00028823 deg
M 149.8285836384948 0.00015477 deg
tp 2455126.076234896099
(2009-Oct-21.57623490)
0.00023529 TDB
period 546.4414963365456
1.50
3.4191e-06
9.361e-09
d
yr
n .6588079463465217 4.1222e-09 deg/d
Q 1.612976304521975 6.7283e-09 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A2 [EST] -1.236013467307891E-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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40071  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jan-14 15:52:16  

Additional Information
 Earth MOID = .0696479 au 
 Jupiter MOID = 3.40551 au 
 T_jup = 4.889 
 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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