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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .144163674958888 5.7268e-08  
a 2.765680944023794 1.7862e-08 au
q 2.366970215369557 1.5512e-07 au
i 2.305635101902014 5.1032e-06 deg
node 155.9812574721667 0.00012305 deg
peri 35.24868019338767 0.00012382 deg
M 254.4678286170733 1.5686e-05 deg
tp 2459492.974690810896
(2021-Oct-05.47469081)
7.5713e-05 TDB
period 1679.970063807531
4.60
1.6275e-05
4.456e-08
d
yr
n .2142895327456527 2.076e-09 deg/d
Q 3.164391672678031 2.0437e-08 au
  Orbit Determination Parameters
   # obs. used (total)      449  
   data-arc span      6550 days (17.93 yr)  
   first obs. used      2001-11-20  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56969  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 14:10:00  

Additional Information
 Earth MOID = 1.36752 au 
 Jupiter MOID = 1.79039 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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