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JPL Small-Body Database Browser
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(2018 LA)
Classification: Apollo [NEO]          SPK-ID: 3825058
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 2458271.5 (2018-Jun-02.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4318612059805853 6.051e-05  
a 1.376398739057521 0.00011091 au
q .7819855196979832 2.0339e-05 au
i 4.297409951890678 0.00042943 deg
node 71.86960533671854 1.1966e-05 deg
peri 256.0486906916353 0.0005471 deg
M 326.7297817374431 0.0055821 deg
tp 2458326.008969939779
(2018-Jul-26.50896994)
0.0025575 TDB
period 589.8136592751157
1.61
0.071292
0.0001952
d
yr
n .610362263299297 7.3776e-05 deg/d
Q 1.97081195841706 0.00015881 au
  Orbit Determination Parameters
   # obs. used (total)      17  
   first obs. used      2018-06-02  
   last obs. used      2018-06-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .71690  
   source      ORB  
   producer      Davide Farnocchia  
   solution date      2020-Feb-18 10:38:44  

Additional Information
 Earth MOID = 2.45983E-5 au 
 Jupiter MOID = 3.38823 au 
 T_jup = 4.706 
 not valid after 2018-Jun-02.69791666 
 See Jenniskens et al. (2021) 
[ hide covariance matrix ]
Orbit Covariance (6×6)
  e q tp node peri i
e 3.66141048457594E-9 -1.227629362951843E-9 -1.545657363634403E-7 -4.698663598617228E-10 -2.849415869130026E-8 2.590884958440292E-8
q -1.227629362951843E-9 4.136817888153789E-10 5.164243756712809E-8 1.579505840422695E-10 9.152893240257638E-9 -8.716213091528738E-9
tp -1.545657363634403E-7 5.164243756712809E-8 6.540988382084985E-6 1.988495209928942E-8 1.238034508698004E-6 -1.091357527598804E-6
node -4.698663598617228E-10 1.579505840422695E-10 1.988495209928942E-8 1.431819628688729E-10 3.575556734285625E-9 -3.52132041794053E-9
peri -2.849415869130026E-8 9.152893240257638E-9 1.238034508698004E-6 3.575556734285625E-9 2.993233530080303E-7 -1.959531245736954E-7
i 2.590884958440292E-8 -8.716213091528738E-9 -1.091357527598804E-6 -3.52132041794053E-9 -1.959531245736954E-7 1.844070507303744E-7

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 30.5   n/a E2018O23  

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