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JPL Small-Body Database Browser
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(2019 EF2)
Classification: Apollo [NEO]          SPK-ID: 3838940
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 .1807544187315858 0.00015134  
a 1.219839057235936 0.00022799 au
q .9993477574991686 3.2761e-06 au
i 14.74717583863147 0.0080989 deg
node 352.8172103305347 7.1869e-05 deg
peri 195.725379052099 0.0025181 deg
M 243.5573596853915 0.1686 deg
tp 2459555.670203850549
(2021-Dec-07.17020385)
0.27509 TDB
period 492.0987125625041
1.35
0.13796
0.0003777
d
yr
n .7315605402122942 0.0002051 deg/d
Q 1.440330356972703 0.0002692 au
  Orbit Determination Parameters
   # obs. used (total)      89  
   data-arc span      2 days  
   first obs. used      2019-03-12  
   last obs. used      2019-03-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .59972  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 21:06:03  

Additional Information
 Earth MOID = .0114199 au 
 Jupiter MOID = 3.52104 au 
 T_jup = 5.187 
[ 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 25.8   .30107 MPO467507 autocmod 2.6q

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