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JPL Small-Body Database Browser
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(2021 LE)
Classification: Apollo [NEO]          SPK-ID: 54152392
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3333809767949758 0.00051306  
a 1.207610391919748 0.00056945 au
q .8050160598737788 0.00024275 au
i .9545816943278398 0.0014288 deg
node 168.2877173442673 0.04489 deg
peri 162.5994505891421 0.040695 deg
M 336.1172457734469 0.035749 deg
tp 2459428.656635135093
(2021-Aug-02.15663513)
0.025411 TDB
period 484.717488561793
1.33
0.34285
0.0009387
d
yr
n .7427006627471958 0.00052533 deg/d
Q 1.610204723965717 0.00075929 au
  Orbit Determination Parameters
   # obs. used (total)      21  
   data-arc span      2 days  
   first obs. used      2021-06-01  
   last obs. used      2021-06-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .41051  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jun-03 05:50:30  

Additional Information
 Earth MOID = .0139527 au 
 Jupiter MOID = 3.74248 au 
 T_jup = 5.217 
[ 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 25.25   .48129 E2021N14 autocmod 2.9c

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