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497113 (2004 EK1)
Classification: Apollo [NEO]          SPK-ID: 2497113
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 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2508588567314349 2.4961e-08  
a 1.249792456395859 1.1982e-09 au
q .9362709496328223 3.1612e-08 au
i 11.64276045939203 8.987e-06 deg
node 166.8880563433373 1.2002e-05 deg
peri 300.4310523745002 1.532e-05 deg
M 256.769955892328 1.1061e-05 deg
tp 2459146.838597170422
(2020-Oct-24.33859717)
1.5674e-05 TDB
period 510.3349072136725
1.40
7.3388e-07
2.009e-09
d
yr
n .7054191177427559 1.0144e-09 deg/d
Q 1.563313963158896 1.4987e-09 au
  Orbit Determination Parameters
   # obs. used (total)      213  
   data-arc span      5174 days (14.17 yr)  
   first obs. used      2004-03-14  
   last obs. used      2018-05-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54489  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-19 06:47:16  

Additional Information
 Earth MOID = .035205 au 
 Jupiter MOID = 3.56398 au 
 T_jup = 5.093 
[ 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 22.2   n/a MPO437865  

497113 (2004 EK1)          Discovered 2004-Mar-14 by LINEAR at Socorro
Reference: Last Updated: 2017-10-09

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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