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(2018 EO4)
Classification: Aten [NEO]          SPK-ID: 3801939
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3123044203865506 2.6425e-06  
a .8280537284326187 7.6686e-08 au
q .5694488887255476 2.1357e-06 au
i 22.83809148295277 0.00034656 deg
node 167.7821471171717 5.8715e-05 deg
peri 178.0891099919008 0.00055536 deg
M 68.85392451325329 0.00090593 deg
tp 2459147.860421797040
(2020-Oct-25.36042180)
0.00069912 TDB
period 275.2239365734061
0.75
3.8233e-05
1.047e-07
d
yr
n 1.308025764336028 1.817e-07 deg/d
Q 1.08665856813969 1.0064e-07 au
  Orbit Determination Parameters
   # obs. used (total)      87  
   data-arc span      1092 days (2.99 yr)  
   first obs. used      2018-03-12  
   last obs. used      2021-03-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      2  
   norm. resid. RMS      .5319  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 20:24:14  

Additional Information
 Earth MOID = .0928354 au 
 Jupiter MOID = 4.32325 au 
 T_jup = 6.982 
[ 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 23.4   n/a MPO439041  

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