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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.


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Orbital Elements at Epoch 2458271.5 (2018-Jun-02.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .431805384263455 0.00015498  
a 1.376304490962933 0.00027713 au
q .7820088013791648 5.5971e-05 au
i 4.296820839591492 0.0012844 deg
node 71.86962941840413 2.862e-05 deg
peri 256.0482322081762 0.00077352 deg
M 326.7251660281628 0.013834 deg
tp 2458326.010932799894
(2018-Jul-26.51093280)
0.0062002 TDB
period 589.7530795967589
1.61
0.17813
0.0004877
d
yr
n .6104249599614612 0.00018437 deg/d
Q 1.970600180546701 0.0003968 au
  Orbit Determination Parameters
   # obs. used (total)      15  
   first obs. used      2018-06-02  
   last obs. used      2018-06-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .63722  
   source      ORB  
   producer      Davide Farnocchia  
   solution date      2018-Jul-24 08:33:26  

Additional Information
 Earth MOID = 2.45866E-5 au 
 Jupiter MOID = 3.38843 au 
 T_jup = 4.706 
 not valid after 2018-Jun-02.69791666 
 14 optical obs and 1 fireball report 
[ 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 30.5   n/a E2018O23  

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1918-Nov-19 00:19 4_20:05 Earth 0.288447438342772 0.0591420602849576 0.522250308403619 20.8458008405164 20.8453577099559 2421916.513037851 6964.83970771476 11686053.4346561 213.998978789294 5.27894066687827 17240.8670119153 T 6 CATAB v2.0e-lin.ifort 2018-Jul-24 08:52:01 2018-Dec-11 17:21
1976-Nov-02 01:03 7_13:47 Earth 0.042874435358699 0.0383639478758847 0.118188023716785 11.7689690086369 11.7636873176757 2443084.544013891 10906.8658472732 4620585.5621559 168.690362654573 -63.4928147142949 37865.4704468109 T 6 CATAB v2.0e-lin.ifort 2018-Jul-24 08:52:01 2018-Dec-11 17:21
1981-May-19 00:47 1_10:25 Earth 0.240067996333153 0.211725017293263 0.268412976580298 19.3226087097221 19.3220343039639 2444743.532810485 2064.96407127461 1413822.22661189 40.779841729671 -1.44054203821044 19449.7155983219 T 6 CATAB v2.0e-lin.ifort 2018-Jul-24 08:52:01 2018-Dec-11 17:21
1984-Nov-18 18:54 17:11 Earth 0.282415384483895 0.261704181985222 0.303146884148285 20.6642018178294 20.6637452448889 2446023.287389782 1031.24625964798 1040164.71711435 272.688024396017 6.58217619942116 16566.7762244058 T 6 CATAB v2.0e-lin.ifort 2018-Jul-24 08:52:01 2018-Dec-11 17:21
1987-Dec-27 16:02 5_14:33 Venus 0.134589927841494 0.064730082680022 0.204781052768431 10.2376878770578 10.2361117619495 2447157.167855809 8072.86038386149 3507736.82983871 248.161412957695 4.80040838622154 4738.5506476712 T 6 CATAB v2.0e-lin.ifort 2018-Jul-24 08:52:01 2018-Dec-11 17:21
1989-Jun-06 11:27 8_03:52 Earth 0.0483128597622666 0.000615525588220312 0.129451547559302 10.9631728205107 10.958141140377 2447683.977158830 11752.1567031868 4046361.04255302 11.1447998383358 0.749359533224765 8621.10219364858 T 6 CATAB v2.0e-lin.ifort 2018-Jul-24 08:52:01 2018-Dec-11 17:21
2005-Oct-27 11:07 8_10:16 Earth 0.0897504199863415 0.0377490922560134 0.152502918187614 9.93002562627161 9.92703549062521 2453670.963160743 12135.566308821 3264762.28530846 152.486958158283 -21.7228685406969 40499.3393972429 T 6 CATAB v2.0e-lin.ifort 2018-Jul-24 08:52:01 2018-Dec-11 17:21
2010-May-16 09:13 2_03:50 Earth 0.301309038742301 0.25773388785397 0.344889526786352 21.1185589940643 21.1181402581404 2455332.884297166 3110.17880517538 2173969.58462439 50.7637095548398 -1.68250745268377 22953.6355196549 T 6 CATAB v2.0e-lin.ifort 2018-Jul-24 08:52:01 2018-Dec-11 17:21
2013-Nov-16 12:51 1_09:16 Earth 0.228151171390469 0.200350090264378 0.256057760694374 19.0265311604396 19.0259173460822 2456613.035363762 1996.44197584958 1410344.22931939 296.886279318348 9.92265316504578 18644.1431759715 T 6 CATAB v2.0e-lin.ifort 2018-Jul-24 08:52:01 2018-Dec-11 17:21
2018-Jun-02 10:51 < 00:01 Moon 0.00213987418885024 0.00213974149647998 0.00214000688221403 11.7423610013279 11.7410566360639 2458271.951914599 0.351038357478256 7.00791838570157 0.54887837887958 19.889847636856 103655.408222965 T 6 CATAB v2.0e-lin.ifort 2018-Jul-24 08:52:01 2018-Dec-11 17:21
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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