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(2018 LE4)
Classification: Apollo [NEO]          SPK-ID: 3825166
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2750160328570188 0.00021428  
a 1.251248621764503 0.00036233 au
q .907135189689017 5.7422e-06 au
i 20.99182963310046 0.010905 deg
node 256.3131419018852 0.0010816 deg
peri 295.0656927780138 0.017794 deg
M 187.1066968101905 0.25114 deg
tp 2459246.021492811239
(2021-Jan-31.52149281)
0.46328 TDB
period 511.2270734686015
1.40
0.22206
0.000608
d
yr
n .7041880578770061 0.00030587 deg/d
Q 1.595362053839989 0.00046198 au
  Orbit Determination Parameters
   # obs. used (total)      54  
   data-arc span      23 days  
   first obs. used      2018-06-11  
   last obs. used      2018-07-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .35359  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Dec-29 06:53:49  

Additional Information
 Earth MOID = .0180544 au 
 Jupiter MOID = 3.48778 au 
 T_jup = 5.039 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458290.5 (2018-Jun-21.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2750959085798553 0.00021357  
q .9070995148358055 5.5723e-06 au
tp 2458223.528221478615
(2018-Apr-15.02822148)
0.019643 TDB
node 256.320411982599 0.0010682 deg
peri 295.0641612974741 0.017708 deg
i 20.99370244227212 0.010905 deg
  Orbit Determination Parameters
   # obs. used (total)      54  
   data-arc span      23 days  
   first obs. used      2018-06-11  
   last obs. used      2018-07-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .35359  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Dec-29 06:53:49  

Additional Information
 Jupiter MOID = 3.48778 au 
 T_jup = 5.039 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.561308883060206E-8 -1.124421314333137E-9 4.194770217909695E-6 -2.280464586592298E-7 3.780538837271333E-6 2.329029548735054E-6
q -1.124421314333137E-9 3.105051218907173E-11 -1.028559226177097E-7 5.571064690607992E-9 -9.231986723225652E-8 -5.748824273893211E-8
tp 4.194770217909695E-6 -1.028559226177097E-7 .0003858598272458727 -2.098037912386777E-5 .0003478189610784334 .0002141747326265896
node -2.280464586592298E-7 5.571064690607992E-9 -2.098037912386777E-5 1.141011112938454E-6 -1.891441818135329E-5 -1.164295107196277E-5
peri 3.780538837271333E-6 -9.231986723225652E-8 .0003478189610784334 -1.891441818135329E-5 .0003135716335451303 .0001930164816248646
i 2.329029548735054E-6 -5.748824273893211E-8 .0002141747326265896 -1.164295107196277E-5 .0001930164816248646 .0001189238433445981

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 23.8   n/a E2018N16  

[ 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
1915-Dec-19 13:14 5_04:59 Earth 0.327886328891843 0.301641673536271 0.380833320981092 11.5458691660105 11.5451653232415 2420851.051552873 7498.9863253114 5110213.59807661 237.448204453846 -66.2899155379301 284778.759284179 T 8 CATAB v2.0e-lin.ifort 2018-Dec-29 06:53:54 2018-Dec-29 06:54
1916-Jun-03 03:22 4_12:19 Earth 0.0453609921582665 0.0182475640154744 0.129240003970374 12.3669927944089 12.3622421871721 2421017.640621440 6498.8291028282 4309466.26806774 28.1450916539986 -23.7332974502748 133708.424464808 T 8 CATAB v2.0e-lin.ifort 2018-Dec-29 06:53:54 2018-Dec-29 06:54
1922-Dec-18 13:03 5_12:44 Earth 0.333404036548616 0.294201040155509 0.402133508857065 11.573649844197 11.5729593117019 2423407.043591949 7964.023351403 5680154.91420094 390.783518085939 -60.3471249396044 141742.461942707 T 8 CATAB v2.0e-lin.ifort 2018-Dec-29 06:53:54 2018-Dec-29 06:54
1923-Jun-04 12:49 5_15:54 Earth 0.0346082439642527 0.0187219763007214 0.138418723515111 12.5254080659247 12.5192598726578 2423575.034198001 8153.74780420451 5387811.37509823 22.5578469510457 -32.7636976368023 181883.451704542 T 8 CATAB v2.0e-lin.ifort 2018-Dec-29 06:53:54 2018-Dec-29 06:54
1965-Jan-02 16:28 1_06:22 Earth 0.263089137131531 0.245365002526924 0.436700203553694 14.3175551135649 14.3168477359617 2438763.185923048 1822.22001007932 13281067.7057887 260.667684905823 68.8536835260965 205997.32974454 T 8 CATAB v2.0e-lin.ifort 2018-Dec-29 06:53:54 2018-Dec-29 06:54
1972-Jan-03 06:29 1_23:04 Earth 0.318708532373091 0.257792877348313 0.496183259401021 16.302330731225 16.3018178984208 2441319.770007076 2823.97284813292 11796537.9801323 278.094160662218 53.9884095920357 168910.603010481 T 8 CATAB v2.0e-lin.ifort 2018-Dec-29 06:53:54 2018-Dec-29 06:54
1979-Jan-01 12:46 3_21:35 Earth 0.394953879600204 0.279700549430339 0.567976092243626 18.7339321090156 18.7335719940214 2443875.031609613 5614.61919182618 10510523.2330602 306.18659453219 42.7907970393019 141247.972763123 T 8 CATAB v2.0e-lin.ifort 2018-Dec-29 06:53:54 2018-Dec-29 06:54
1985-Dec-29 17:25 4_19:09 Earth 0.483513379423399 0.350207425490771 0.641681775863747 21.4825979726021 21.4823414535346 2446429.225585612 6909.07674908854 9115421.58725822 347.566613911358 35.1407891387823 119547.64301833 T 8 CATAB v2.0e-lin.ifort 2018-Dec-29 06:53:54 2018-Dec-29 06:54
1990-Jun-25 03:46 7_14:22 Earth 0.397728099676673 0.239286576103807 0.55618542056321 21.3245260887523 21.3242119294727 2448067.656708283 10941.846381251 7902220.68961292 33.2892363806974 -0.883577854404941 25346.2944977256 T 8 CATAB v2.0e-lin.ifort 2018-Dec-29 06:53:54 2018-Dec-29 06:54
1996-Nov-29 15:19 7_19:38 Earth 0.489219164456037 0.432481599358381 0.551239080365231 11.979583538739 11.9791288906017 2450417.138048690 11258.3499071003 3900122.17374891 449.389742769955 -40.2443790238492 118997.571247704 T 8 CATAB v2.0e-lin.ifort 2018-Dec-29 06:53:54 2018-Dec-29 06:54
1997-Jun-19 23:06 6_07:54 Earth 0.292625340532715 0.160763384865617 0.424492860997949 18.7725176114634 18.7720325648073 2450619.462653317 9114.19067703749 6575869.23900833 28.7447235766325 0.606459742512735 14246.0110479087 T 8 CATAB v2.0e-lin.ifort 2018-Dec-29 06:53:54 2018-Dec-29 06:54
2003-Dec-06 07:50 5_19:08 Earth 0.441444269795012 0.397914368635216 0.491002177606904 11.8577965575201 11.8572875293705 2452979.826577528 8348.10441672777 3467947.7115082 406.257298609886 -47.6371847160566 139455.147421077 T 8 CATAB v2.0e-lin.ifort 2018-Dec-29 06:53:54 2018-Dec-29 06:54
2004-Jun-14 20:15 4_17:34 Earth 0.191533355789237 0.0938819123261131 0.289373023588464 16.4886563358363 16.4878126246952 2453171.343886774 6814.13671584709 4883365.52345641 22.2857085103443 3.05038414549888 57877.1212809156 T 8 CATAB v2.0e-lin.ifort 2018-Dec-29 06:53:54 2018-Dec-29 06:54
2010-Dec-11 08:49 3_07:12 Earth 0.396694024870399 0.371284199719353 0.425941517498949 11.7393938094769 11.7388216440532 2455541.867249064 4751.93314905489 2377404.38398588 346.913389655154 -54.8313525058656 175161.449315429 T 8 CATAB v2.0e-lin.ifort 2018-Dec-29 06:53:54 2018-Dec-29 06:54
2011-Jun-11 05:00 2_18:46 Earth 0.101447415123743 0.0467913361043895 0.15706982478216 14.6576889677901 14.6558969908472 2455723.708270674 4005.65072905716 2793655.75995265 14.1182632205659 8.55424859404907 121837.62016452 T 8 CATAB v2.0e-lin.ifort 2018-Dec-29 06:53:54 2018-Dec-29 06:54
2017-Dec-15 02:17 02:21 Earth 0.362997270137814 0.362316036331238 0.363686025452065 11.6515357205318 11.6509057248567 2458102.594796549 140.819161559643 89231.1509335042 1003.33743188495 67.5031315203042 37991.1607874146 T 8 CATAB v2.0e-lin.ifort 2018-Dec-29 06:53:54 2018-Dec-29 06:54
2018-Jun-07 15:46 < 00:01 Earth 0.0377754527557079 0.0377109021528588 0.0378400031911717 13.4612581986961 13.4560173505787 2458277.156886383 0.0963867470346506 3216.42920839531 11.324607064739 0.303868736131235 1692.89986475896 T 8 CATAB v2.0e-lin.ifort 2018-Dec-29 06:53:54 2018-Dec-29 06:54
2024-Dec-15 14:36 3_02:40 Earth 0.358586101133893 0.33306271810977 0.390332126507894 11.6270827375686 11.6264436504303 2460660.108104281 4479.65417451288 2758945.18333848 372.39340071167 -58.5310191365841 149334.516452563 T 8 CATAB v2.0e-lin.ifort 2018-Dec-29 06:53:54 2018-Dec-29 06:54
2025-Jun-06 23:46 2_21:02 Earth 0.0309356276933361 0.0178298966844641 0.0834892557510017 13.3386724866387 13.3322137738461 2460833.490399573 4141.68953981466 2806789.97448956 10.0854759341327 35.2114868550629 262813.861043848 T 8 CATAB v2.0e-lin.ifort 2018-Dec-29 06:53:54 2018-Dec-29 06:54
2031-Dec-13 07:57 3_18:47 Earth 0.387319975878439 0.357933594206608 0.423194500321814 11.7292871843343 11.7287006658559 2463213.831021429 5446.88376240915 2987126.15121634 342.539390537359 -56.6825708495294 174633.37266694 T 8 CATAB v2.0e-lin.ifort 2018-Dec-29 06:53:54 2018-Dec-29 06:54
2032-Jun-09 16:25 3_02:49 Earth 0.0854817062431619 0.0265243768810754 0.147533351493036 14.342328411165 14.3401549473217 2463393.183871689 4488.58659066548 3125174.11195833 12.684320168722 10.6231069767434 138323.021933969 T 8 CATAB v2.0e-lin.ifort 2018-Dec-29 06:53:54 2018-Dec-29 06:54
2038-Dec-08 05:32 3_02:50 Earth 0.430163955347908 0.406089662337947 0.456744004668538 11.8457466595221 11.8452237512824 2465765.730282998 4490.4825917847 2068667.41287137 350.947556344561 -52.2445855996919 173352.27287135 T 8 CATAB v2.0e-lin.ifort 2018-Dec-29 06:53:54 2018-Dec-29 06:54
2039-Jun-14 17:22 2_08:16 Earth 0.171505788361866 0.123283001524149 0.219786055514742 16.0503709192375 16.0494029499068 2465954.223688103 3376.24923112364 2411197.91354043 20.9159639239198 3.59825924357297 64291.8606704017 T 8 CATAB v2.0e-lin.ifort 2018-Dec-29 06:53:54 2018-Dec-29 06:54
2045-Dec-02 08:00 2_00:26 Earth 0.477478120862396 0.462310967603314 0.49326873286665 11.9932521995994 11.9927869025065 2468316.833073851 2906.30259650225 1155979.03189729 342.348166890056 -48.0755474899013 187172.281910943 T 8 CATAB v2.0e-lin.ifort 2018-Dec-29 06:53:54 2018-Dec-29 06:54
2046-Jun-19 08:33 1_09:22 Earth 0.271105737274839 0.242019795549581 0.300191978118286 18.2625461507603 18.2620079817067 2468515.856384352 2001.82410140166 1450475.28783966 27.586319616394 0.670009324036126 15130.216071052 T 8 CATAB v2.0e-lin.ifort 2018-Dec-29 06:53:54 2018-Dec-29 06:54
2053-Jun-24 05:41 09:58 Earth 0.377355934548008 0.368389035345809 0.38632294405019 20.8130721276504 20.8127328708807 2471077.736922005 597.976278510086 447261.478760741 34.0850233063777 -1.34394752646427 35789.9481924305 T 8 CATAB v2.0e-lin.ifort 2018-Dec-29 06:53:54 2018-Dec-29 06:54
2060-Jun-29 02:01 13:09 Earth 0.483627069512146 0.472687159199189 0.494567187165893 23.4832084664226 23.4829738564377 2473639.583722653 789.239445338762 545762.754654759 33.8110985331753 -1.67618777866983 59287.2532872115 T 8 CATAB v2.0e-lin.ifort 2018-Dec-29 06:53:54 2018-Dec-29 06:54
2063-Jan-01 19:41 17:16 Earth 0.43648395581141 0.424549639036257 0.448783923268871 19.85823464288 19.8579272408044 2474556.319897505 1035.49714107985 872955.874134515 385.695681104578 46.1763375490395 126619.180346383 T 8 CATAB v2.0e-lin.ifort 2018-Dec-29 06:53:54 2018-Dec-29 06:54
2070-Jan-03 13:02 19:48 Earth 0.355555869700367 0.332568132932684 0.381256068513156 17.3038518959913 17.3034188169671 2477115.042842977 1188.47019265212 1968868.00517597 314.586740434991 51.7645707729717 152145.515209447 T 8 CATAB v2.0e-lin.ifort 2018-Dec-29 06:53:54 2018-Dec-29 06:54
2077-Jan-04 02:03 07:37 Earth 0.291761598487429 0.269795370856732 0.324559872468173 15.1104612577082 15.1098568706017 2479672.585720598 456.954962786083 3129905.93738873 276.334347998781 63.6196492030637 193252.107580995 T 8 CATAB v2.0e-lin.ifort 2018-Dec-29 06:53:54 2018-Dec-29 06:54
2084-Jan-04 05:27 20:51 Earth 0.252941553478467 0.247486112807815 0.2851175119124 13.5026220399724 13.501841874707 2482228.727284321 1250.87051682207 4454894.79267253 264.865313741553 78.0852082777969 225115.960078437 T 8 CATAB v2.0e-lin.ifort 2018-Dec-29 06:53:54 2018-Dec-29 06:54
2091-Jan-01 22:49 2_13:23 Earth 0.241419283282427 0.241362642918171 0.272021896621595 12.4422746374381 12.4413875711006 2484783.450813421 3682.86152739023 6007327.46942238 259.887217309708 -88.816184443869 244651.647307389 T 8 CATAB v2.0e-lin.ifort 2018-Dec-29 06:53:54 2018-Dec-29 06:54
2097-Dec-29 17:28 4_09:33 Earth 0.252140811438274 0.247927692525553 0.316290296676865 11.8834924331861 11.8826031473672 2487337.228018084 6332.52883781153 7505855.08259341 257.599781907419 -79.5171069657081 252896.520677319 T 8 CATAB v2.0e-lin.ifort 2018-Dec-29 06:53:54 2018-Dec-29 06:54
2098-May-23 05:52 8_16:59 Earth 0.23331572089685 0.161909236217434 0.36220074497393 11.1136445111582 11.1126168926162 2487481.744369377 12538.4929179247 7768051.9451537 379.598342134722 43.7759562295164 54779.2546485778 T 8 CATAB v2.0e-lin.ifort 2018-Dec-29 06:53:54 2018-Dec-29 06:54
2104-Dec-27 00:17 6_02:24 Earth 0.275845306677475 0.264297337117205 0.362728043336135 11.6247601074126 11.6239291509295 2489890.511912239 8784.46743135277 8450765.84060184 265.407801267853 -73.3663765880984 246150.409827055 T 8 CATAB v2.0e-lin.ifort 2018-Dec-29 06:53:54 2018-Dec-29 06:54
2105-May-29 02:22 8_01:57 Earth 0.15818614059372 0.036899240474885 0.288534888024994 11.2973149624143 11.2958238947551 2490043.598820303 11636.996983951 6555882.46508806 164.14333997736 10.1232542750508 24389.2588419281 T 8 CATAB v2.0e-lin.ifort 2018-Dec-29 06:53:54 2018-Dec-29 06:54
2111-Dec-24 09:27 6_23:01 Earth 0.303443620332542 0.282417923039241 0.394359249471197 11.5728263476015 11.5720675793576 2492443.894037782 10020.7071354148 8191361.58784122 280.741359475424 -68.5485228932533 227537.139890878 T 8 CATAB v2.0e-lin.ifort 2018-Dec-29 06:53:54 2018-Dec-29 06:54
2112-Jun-01 19:34 7_15:57 Earth 0.0919133271725111 0.00898903855198891 0.227524410996515 11.8157738618054 11.8133201881835 2492604.315261816 11037.3019975698 6775624.03886756 63.1763701219746 -5.62197279621789 23506.217910091 T 8 CATAB v2.0e-lin.ifort 2018-Dec-29 06:53:54 2018-Dec-29 06:54
2118-Dec-21 11:52 6_00:07 Earth 0.32545178318634 0.296232763263567 0.393622916987293 11.578842007393 11.5781349187952 2494997.994578246 8647.33837553891 6193892.79711741 292.457445403207 -65.4496376961638 216168.712975556 T 8 CATAB v2.0e-lin.ifort 2018-Dec-29 06:53:54 2018-Dec-29 06:54
2119-Jun-05 05:29 6_00:09 Earth 0.0450498560041691 0.0155681133617631 0.15477154481013 12.3629691097907 12.3581841287803 2495163.728489990 8649.03690280892 5570859.10916661 30.1661439875786 -20.2310693287576 99309.7286649059 T 8 CATAB v2.0e-lin.ifort 2018-Dec-29 06:53:54 2018-Dec-29 06:54
2125-Dec-20 17:38 03:38 Earth 0.328920492131599 0.32742162882204 0.330423818808425 11.5960949296419 11.5953963390295 2497554.234499162 218.345112360767 96206.1575709004 1643.16504514074 38.9236341185524 18002.9163324575 T 8 CATAB v2.0e-lin.ifort 2018-Dec-29 06:53:54 2018-Dec-29 06:54
2126-Jun-05 10:13 02:36 Earth 0.0373609341410764 0.0352598423231682 0.0394985083599007 12.4754583691508 12.4697404546623 2497720.925954452 155.989206437885 120666.829915829 35.5432841839328 -28.8051298360033 98565.7311368337 T 8 CATAB v2.0e-lin.ifort 2018-Dec-29 06:53:54 2018-Dec-29 06:54
2132-Dec-22 10:42 5_21:12 Earth 0.310578266036403 0.285903400887743 0.384151242072081 11.565586529359 11.5648447281081 2500112.945663442 8472.25545828743 6745121.99465266 303.01831819042 -67.0089304157004 202146.910929233 T 8 CATAB v2.0e-lin.ifort 2018-Dec-29 06:53:54 2018-Dec-29 06:54
2133-Jun-03 03:26 5_23:49 Earth 0.0736435711047726 0.0124345067240907 0.181642831478307 12.0092187231625 12.006205597475 2500275.643072423 8628.52433800429 5417114.85947676 47.51832144694 -9.73147166650687 45573.7219851302 T 8 CATAB v2.0e-lin.ifort 2018-Dec-29 06:53:54 2018-Dec-29 06:54
2139-Dec-26 08:39 9_07:01 Earth 0.283076168267238 0.269182064561837 0.428220114804309 11.606505670079 11.6056946665688 2502672.860118809 13381.3270688617 12239989.0893578 264.983046337137 -71.9779460611594 244151.043626904 T 8 CATAB v2.0e-lin.ifort 2018-Dec-29 06:53:54 2018-Dec-29 06:54
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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