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58203 (1992 EC9)
Classification: Main-belt Asteroid          SPK-ID: 2058203
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1117380789435313 3.7691e-08  
a 2.338974658269615 7.233e-09 au
q 2.077622123256966 8.8494e-08 au
i 7.559270462673558 3.3262e-06 deg
node 119.9737302050576 2.9743e-05 deg
peri 285.5615236455958 3.4481e-05 deg
M 64.68138111943809 1.5737e-05 deg
tp 2458765.745738129450
(2019-Oct-09.24573813)
5.7304e-05 TDB
period 1306.582092261487
3.58
6.0607e-06
1.659e-08
d
yr
n .2755280377193116 1.2781e-09 deg/d
Q 2.600327193282265 8.0412e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1041  
   data-arc span      10288 days (28.17 yr)  
   first obs. used      1992-03-02  
   last obs. used      2020-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52181  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:51:57  

Additional Information
 Earth MOID = 1.10242 au 
 Jupiter MOID = 2.73296 au 
 T_jup = 3.546 
[ 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 15.2   n/a MPO502539  

58203 (1992 EC9)          Discovered 1992-Mar-02 by UESAC at La Silla
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1992 EC9 = 1999 CT26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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