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JPL Small-Body Database Browser
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(2018 ED9)
Classification: Apollo [NEO]          SPK-ID: 3802012
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 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4040136799780384 0.00013051  
a 1.664608820204563 0.00036294 au
q .9920840850298166 9.5478e-07 au
i 1.907454264130231 0.00071311 deg
node 355.0671494630816 0.00065316 deg
peri 197.8677694950777 0.00016406 deg
M 184.6356566639056 0.17845 deg
tp 2459778.625048322635
(2022-Jul-18.12504832)
0.51381 TDB
period 784.4526132230797
2.15
0.25655
0.0007024
d
yr
n .45891873381729 0.00015009 deg/d
Q 2.337133555379309 0.00050957 au
  Orbit Determination Parameters
   # obs. used (total)      38  
   data-arc span      6 days  
   first obs. used      2018-03-14  
   last obs. used      2018-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .48364  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 20:24:24  

Additional Information
 Earth MOID = .00420155 au 
 Jupiter MOID = 2.61794 au 
 T_jup = 4.160 
[ 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 27.1   n/a MPO439042  

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