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(2021 JL5)
Classification: Apollo [NEO]          SPK-ID: 54145075
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6031098261569738 0.0007127  
a 2.505577224794894 0.0044607 au
q .9944389803259727 1.5563e-05 au
i 4.729995763475524 0.0038411 deg
node 51.59889123856274 0.00031251 deg
peri 204.0895415452329 0.0029616 deg
M 318.6880942257709 0.11084 deg
tp 2459366.738972248679
(2021-Jun-01.23897225)
0.0021527 TDB
period 1448.638809755833
3.97
3.8685
0.01059
d
yr
n .2485091505043122 0.00066363 deg/d
Q 4.016715469263816 0.0071509 au
  Orbit Determination Parameters
   # obs. used (total)      21  
   data-arc span      3 days  
   first obs. used      2021-05-09  
   last obs. used      2021-05-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .74153  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-12 11:42:02  

Additional Information
 Earth MOID = .00767588 au 
 Jupiter MOID = 1.07691 au 
 T_jup = 3.180 
[ 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 27.696   .33982 1 autocmod 2.9c

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