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(2021 EY2)
Classification: Apollo [NEO]          SPK-ID: 54131213
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 2459284.5 (2021-Mar-11.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3290590953641574 0.00098124  
a 1.266198243021997 0.0013566 au
q .8495441946214931 0.00033221 au
i 6.795641628915025 0.018245 deg
node 167.9344940067014 0.00043502 deg
peri 78.29233839371625 0.0011006 deg
M 317.8003527974845 0.091112 deg
tp 2459345.503858651779
(2021-May-11.00385865)
0.03367 TDB
period 520.4164150768387
1.42
0.83639
0.00229
d
yr
n .6917537371430657 0.0011118 deg/d
Q 1.682852291422501 0.0018031 au
  Orbit Determination Parameters
   # obs. used (total)      46  
   data-arc span      11 days  
   first obs. used      2021-03-07  
   last obs. used      2021-03-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .31986  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:26:32  

Additional Information
 Earth MOID = .023215 au 
 Jupiter MOID = 3.35188 au 
 T_jup = 5.035 
[ 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 26.47   .43664 MPO606236 autocmod 2.9c

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