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JPL Small-Body Database Browser
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214039 (2004 EY54)
Classification: Main-belt Asteroid          SPK-ID: 2214039
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2072539369969638 6.2584e-08  
a 2.763267411123098 1.9927e-08 au
q 2.190569361192428 1.7075e-07 au
i 9.236092304122522 5.1128e-06 deg
node 251.330078802808 5.7403e-05 deg
peri 324.1226922370912 6.051e-05 deg
M 70.66568741868412 1.9188e-05 deg
tp 2458271.164242317525
(2018-Jun-01.66424232)
8.89e-05 TDB
period 1677.771448867886
4.59
1.8149e-05
4.969e-08
d
yr
n .2145703458256594 2.321e-09 deg/d
Q 3.335965461053768 2.4057e-08 au
  Orbit Determination Parameters
   # obs. used (total)      412  
   data-arc span      8027 days (21.98 yr)  
   first obs. used      1997-11-23  
   last obs. used      2019-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60514  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 15:07:59  

Additional Information
 Earth MOID = 1.19065 au 
 Jupiter MOID = 1.70049 au 
 T_jup = 3.290 
[ 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 15.3   n/a MPO440131  

214039 (2004 EY54)          Discovered 2004-Mar-14 by NEAT at Palomar
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

[ show close-approach data ]
Alternate Designations
 2004 EY54 = 1997 WF18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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