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(2018 LR3)
Classification: Apollo [NEO]          SPK-ID: 3825158
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1866311046487926 0.00016196  
a 1.20122424855194 0.00019944 au
q .9770384401137756 3.2338e-05 au
i .4700400048785724 0.00025935 deg
node 303.3340102196635 0.007288 deg
peri 8.728489468008767 0.0052531 deg
M 140.9582373069258 0.12399 deg
tp 2458812.212052148451
(2019-Nov-24.71205215)
0.11873 TDB
period 480.8776168147152
1.32
0.11976
0.0003279
d
yr
n .7486312263494477 0.00018644 deg/d
Q 1.425410056990104 0.00023666 au
  Orbit Determination Parameters
   # obs. used (total)      51  
   data-arc span      15 days  
   first obs. used      2018-06-10  
   last obs. used      2018-06-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .45002  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Jun-26 06:22:07  

Additional Information
 Earth MOID = .00448117 au 
 Jupiter MOID = 3.77706 au 
 T_jup = 5.276 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458286.5 (2018-Jun-17.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .185729849029774 0.0001627  
q .9755424812652573 2.9413e-05 au
tp 2458332.521455234228
(2018-Aug-02.02145523)
0.0039432 TDB
node 305.4569702080144 0.0028303 deg
peri 7.911642019181078 0.0039925 deg
i .4399605202073853 0.00031042 deg
  Orbit Determination Parameters
   # obs. used (total)      51  
   data-arc span      15 days  
   first obs. used      2018-06-10  
   last obs. used      2018-06-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .45002  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Jun-26 06:22:07  

Additional Information
 Jupiter MOID = 3.77706 au 
 T_jup = 5.276 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.647031884802163E-8 -4.78502234240944E-9 -6.408928994635921E-7 4.512916339768222E-7 -6.464474399729127E-7 5.050125842175048E-8
q -4.78502234240944E-9 8.651325646356299E-10 1.157857775564912E-7 -8.177651653983733E-8 1.169789554724087E-7 -9.128084263608723E-9
tp -6.408928994635921E-7 1.157857775564912E-7 1.554862522112479E-5 -1.083538612716073E-5 1.559549882717575E-5 -1.223183759251883E-6
node 4.512916339768222E-7 -8.177651653983733E-8 -1.083538612716073E-5 8.010381172224409E-6 -1.12361325105698E-5 8.591696159709382E-7
peri -6.464474399729127E-7 1.169789554724087E-7 1.559549882717575E-5 -1.12361325105698E-5 1.593971653167553E-5 -1.232008498582619E-6
i 5.050125842175048E-8 -9.128084263608723E-9 -1.223183759251883E-6 8.591696159709382E-7 -1.232008498582619E-6 9.636025548910017E-8

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 26.3   n/a E2018M99  

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