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(2004 EL20)
Classification: Aten [NEO]          SPK-ID: 3177193
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2686294519200782 0.00057507  
a .8146179064103191 0.00026032 au
q .5957875446870334 0.00065884 au
i 7.599347526343129 0.027026 deg
node 355.9744095715517 0.0029372 deg
peri 337.6659868628181 0.052771 deg
M 139.9084173537381 5.0421 deg
tp 2459096.131198024639
(2020-Sep-03.63119802)
3.7112 TDB
period 268.5525962039339
0.74
0.12873
0.0003524
d
yr
n 1.340519529837733 0.00064257 deg/d
Q 1.033448268133605 0.00033025 au
  Orbit Determination Parameters
   # obs. used (total)      21  
   data-arc span      2 days  
   first obs. used      2004-03-14  
   last obs. used      2004-03-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .73134  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 22:10:19  

Additional Information
 Earth MOID = .00659067 au 
 Jupiter MOID = 4.26565 au 
 T_jup = 7.143 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 26.7   n/a MPO62522  

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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