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523425 (2017 EW13)
Classification: Main-belt Asteroid          SPK-ID: 2523425
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0440933035118766 4.6606e-08  
a 3.052319666134278 4.0825e-08 au
q 2.91773280868015 1.4537e-07 au
i 9.375086749273351 6.7378e-06 deg
node 181.0126137955392 3.2286e-05 deg
peri 118.4310312637857 8.981e-05 deg
M 90.45315233206418 8.1479e-05 deg
tp 2458511.099222242163
(2019-Jan-27.59922224)
0.00044236 TDB
period 1947.795908162805
5.33
3.9078e-05
1.07e-07
d
yr
n .1848242921608549 3.7081e-09 deg/d
Q 3.186906523588407 4.2625e-08 au
  Orbit Determination Parameters
   # obs. used (total)      180  
   data-arc span      7154 days (19.59 yr)  
   first obs. used      2001-03-26  
   last obs. used      2020-10-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54058  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 22:44:07  

Additional Information
 Earth MOID = 1.9175 au 
 Jupiter MOID = 1.92967 au 
 T_jup = 3.215 
[ 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 15.6   n/a MPO448234  

523425 (2017 EW13)          Discovered 2008-Jul-01 by Spacewatch at Kitt Peak
Reference: Last Updated: 2018-05-31

[ show close-approach data ]
Alternate Designations
 2017 EW13 = 2009 UD139 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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