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(2021 JE)
Classification: Amor [NEO]          SPK-ID: 54142831
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 2459336.5 (2021-May-02.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3446660036660913 0.00082858  
a 1.594760300660288 0.0021176 au
q 1.045100641026372 6.6381e-05 au
i 12.51138725773504 0.020476 deg
node 41.66226497101083 0.0013783 deg
peri 195.3819864608425 0.0029531 deg
M 352.4707825031375 0.015279 deg
tp 2459351.884695072131
(2021-May-17.38469507)
0.0015188 TDB
period 735.5997124900587
2.01
1.4651
0.004011
d
yr
n .4893966023741007 0.00097475 deg/d
Q 2.144419960294203 0.0028474 au
  Orbit Determination Parameters
   # obs. used (total)      36  
   data-arc span      5 days  
   first obs. used      2021-05-01  
   last obs. used      2021-05-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .36791  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-07 05:55:27  

Additional Information
 Earth MOID = .0443279 au 
 Jupiter MOID = 2.86535 au 
 T_jup = 4.277 
[ 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 25.8   .28089 E2021J33 autocmod 2.9c

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