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(2021 EV3)
Classification: Apollo [NEO]          SPK-ID: 54131355
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

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 2459287.5 (2021-Mar-14.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4515459948440616 0.0020898  
a 1.258430903371027 0.0036357 au
q .6901914691658452 0.00063587 au
i 18.9791580176195 0.069734 deg
node 11.68082793950219 0.0085577 deg
peri 261.2912251524866 0.066426 deg
M 314.2006126824399 0.28259 deg
tp 2459353.099368177939
(2021-May-18.59936818)
0.12047 TDB
period 515.6351193153064
1.41
2.2346
0.006118
d
yr
n .6981681163960113 0.0030256 deg/d
Q 1.826670337576208 0.0052774 au
  Orbit Determination Parameters
   # obs. used (total)      34  
   data-arc span      14 days  
   first obs. used      2021-03-10  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .34767  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:26:39  

Additional Information
 Earth MOID = .0370744 au 
 Jupiter MOID = 3.43065 au 
 T_jup = 4.965 
[ 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 22.91   .30678 E2021G03 autocmod 2.9c

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