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JPL Small-Body Database Browser
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(2019 EN2)
Classification: Apollo [NEO]          SPK-ID: 3840109
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3107626813240364 0.00017211  
a 1.063205187817503 0.00010887 au
q .7328006928537096 0.00010796 au
i 7.289896885707037 0.0043491 deg
node 171.935848287961 0.00084294 deg
peri 264.9506213887473 0.0024728 deg
M 95.27367308173041 0.1384 deg
tp 2459290.527186291210
(2021-Mar-17.02718629)
0.13766 TDB
period 400.4276491202073
1.10
0.061502
0.0001684
d
yr
n .8990388171020852 0.00013808 deg/d
Q 1.393609682781296 0.0001427 au
  Orbit Determination Parameters
   # obs. used (total)      81  
   data-arc span      4 days  
   first obs. used      2019-03-14  
   last obs. used      2019-03-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .49916  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 21:06:06  

Additional Information
 Earth MOID = .00217402 au 
 Jupiter MOID = 3.85875 au 
 T_jup = 5.746 
[ 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 27.6   .33918 MPO467508 autocmod 2.6q

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