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90504 (2004 EC14)
Classification: Main-belt Asteroid          SPK-ID: 2090504
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1508869079156043 3.6844e-08  
a 2.30798588804847 9.635e-09 au
q 1.959741033887987 8.4469e-08 au
i 6.922816676020578 4.1856e-06 deg
node 50.69532750662875 3.3227e-05 deg
peri 271.6598125186094 3.7035e-05 deg
M 88.56957445647117 1.4149e-05 deg
tp 2458685.413201332312
(2019-Jul-20.91320133)
5.0556e-05 TDB
period 1280.702184880828
3.51
8.0197e-06
2.196e-08
d
yr
n .2810957959234675 1.7602e-09 deg/d
Q 2.656230742208954 1.1089e-08 au
  Orbit Determination Parameters
   # obs. used (total)      655  
   data-arc span      7736 days (21.18 yr)  
   first obs. used      1998-09-22  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5395  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 08:14:50  

Additional Information
 Earth MOID = .962365 au 
 Jupiter MOID = 2.65958 au 
 T_jup = 3.562 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.1   n/a MPO436405  

90504 (2004 EC14)          Discovered 2004-Mar-11 by NEAT at Palomar
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 2004 EC14 = 2002 XC111 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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