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JPL Small-Body Database Browser
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(2018 JL2)
Classification: Apollo [NEO]          SPK-ID: 3824088
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 2458250.5 (2018-May-12.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4653514373757384 0.00091323  
a 1.389972972035677 0.0017137 au
q .743147051585448 0.00035314 au
i 8.55499418230637 0.014523 deg
node 60.84409085229103 0.0022616 deg
peri 255.9544218724993 0.0017464 deg
M 323.1867010349388 0.090344 deg
tp 2458311.708283028558
(2018-Jul-12.20828303)
0.037014 TDB
period 598.5603711091976
1.64
1.107
0.003031
d
yr
n .6014430914176305 0.0011123 deg/d
Q 2.036798892485907 0.0025112 au
  Orbit Determination Parameters
   # obs. used (total)      59  
   data-arc span      8 days  
   first obs. used      2018-05-10  
   last obs. used      2018-05-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .53492  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 20:28:42  

Additional Information
 Earth MOID = .0112533 au 
 Jupiter MOID = 3.30127 au 
 T_jup = 4.648 
[ 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 24.8   n/a E2018N29  

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