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(2021 EA)
Classification: Apollo [NEO]          SPK-ID: 54128184
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 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3431217924700178 4.7921e-05  
a 1.327908492826695 7.6259e-05 au
q .8722741505318397 1.3628e-05 au
i 6.463708825018196 0.0009511 deg
node 342.3016733714085 9.3621e-05 deg
peri 237.616812519023 0.00052268 deg
M 282.1929877143943 0.0074395 deg
tp 2459321.299987126628
(2021-Apr-16.79998713)
0.0011579 TDB
period 558.9212859884027
1.53
0.048147
0.0001318
d
yr
n .6440978524612315 5.5484e-05 deg/d
Q 1.783542835121551 0.00010243 au
  Orbit Determination Parameters
   # obs. used (total)      112  
   data-arc span      1 day  
   first obs. used      2021-03-01  
   last obs. used      2021-03-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .41664  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:26:16  

Additional Information
 Earth MOID = .000776333 au 
 Jupiter MOID = 3.20578 au 
 T_jup = 4.861 
[ 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 28.   .40243 2 autocmod 2.9c

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