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120084 (2003 EW20)
Classification: Main-belt Asteroid          SPK-ID: 2120084
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .144044160403844 4.8474e-08  
a 2.766057790422737 1.4959e-08 au
q 2.367623318372782 1.3524e-07 au
i 2.305726649788455 4.4084e-06 deg
node 155.9747211409037 0.00010807 deg
peri 35.19916607529886 0.00010887 deg
M 297.3648656443573 1.4342e-05 deg
tp 2459492.851827943008
(2021-Oct-05.35182794)
6.7912e-05 TDB
period 1680.313439768352
4.60
1.3631e-05
3.732e-08
d
yr
n .2142457421810717 1.738e-09 deg/d
Q 3.164492262472692 1.7114e-08 au
  Orbit Determination Parameters
   # obs. used (total)      540  
   data-arc span      6999 days (19.16 yr)  
   first obs. used      2001-11-20  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55055  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 09:24:07  

Additional Information
 Earth MOID = 1.36755 au 
 Jupiter MOID = 1.78921 au 
 T_jup = 3.323 
[ 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 15.7   n/a MPO412812  

120084 (2003 EW20)          Discovered 2003-Mar-06 by LONEOS at Anderson Mesa
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 2003 EW20 = 2001 WF95 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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