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(2019 HE)
Classification: Apollo [NEO]          SPK-ID: 3841509
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 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .214087107924849 0.00013405  
a 1.095915085952076 0.00016692 au
q .8612937946693836 1.5752e-05 au
i 20.34172445383281 0.010872 deg
node 210.110318024067 1.3064e-05 deg
peri 281.2264753629052 0.019168 deg
M 44.56804340550958 0.11014 deg
tp 2458948.621805569923
(2020-Apr-09.12180557)
0.11635 TDB
period 419.0480121574945
1.15
0.095737
0.0002621
d
yr
n .8590901031758099 0.00019627 deg/d
Q 1.330536377234768 0.00020265 au
  Orbit Determination Parameters
   # obs. used (total)      61  
   data-arc span      3 days  
   first obs. used      2019-04-21  
   last obs. used      2019-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .58707  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Apr-24 07:01:35  

Additional Information
 Earth MOID = .000898564 au 
 Jupiter MOID = 3.76344 au 
 T_jup = 5.589 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458596.5 (2019-Apr-23.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .214262928154699 0.00013392  
q .8612769920980226 1.5477e-05 au
tp 2458529.624216734006
(2019-Feb-15.12421673)
0.020537 TDB
node 210.1257516472252 3.1251e-05 deg
peri 281.2391415970014 0.019229 deg
i 20.3671529885052 0.010842 deg
  Orbit Determination Parameters
   # obs. used (total)      61  
   data-arc span      3 days  
   first obs. used      2019-04-21  
   last obs. used      2019-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .58707  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Apr-24 07:01:35  

Additional Information
 Jupiter MOID = 3.76344 au 
 T_jup = 5.589 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.793395888216182E-8 -2.070009040241003E-9 2.750129638059079E-6 -3.883274860840809E-9 2.574837954778972E-6 1.451941724441388E-6
q -2.070009040241003E-9 2.395415068272263E-10 -3.173012046869405E-7 4.425580702285994E-10 -2.969943656834596E-7 -1.676224849842928E-7
tp 2.750129638059079E-6 -3.173012046869405E-7 .0004217532785931754 -5.966508313681588E-7 .0003948883409224128 .0002226447601564252
node -3.883274860840809E-9 4.425580702285994E-10 -5.966508313681588E-7 9.766101610990985E-10 -5.594565914442982E-7 -3.137166068320797E-7
peri 2.574837954778972E-6 -2.969943656834596E-7 .0003948883409224128 -5.594565914442982E-7 .0003697457577095176 .0002084486729355252
i 1.451941724441388E-6 -1.676224849842928E-7 .0002226447601564252 -3.137166068320797E-7 .0002084486729355252 .0001175554152824761

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 26.7   .49134 MPO467574 autocmod 2.6q

[ 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
1911-Oct-28 03:37 18:00 Earth 0.0811045663819101 0.0235261952521313 0.365596695671915 11.2233545381604 11.2204270104622 2419337.650587704 1079.82141276679 14322891.522598 36.0614679696925 -16.8712149730809 127972.796259271 T 3 CATAB v2.0e-lin.ifort 2019-Apr-24 07:01:40 2019-Apr-24 07:01
1920-Oct-16 01:37 3_13:23 Earth 0.406038406104571 0.295041170692001 0.517168351813514 20.5098884912135 20.5095685388441 2422613.567674765 5122.5215595553 5550377.08259145 137.274857289772 3.65167290317649 25559.3086237041 T 3 CATAB v2.0e-lin.ifort 2019-Apr-24 07:01:40 2019-Apr-24 07:01
1921-Oct-17 21:09 7_05:54 Earth 0.295403919058825 0.228695688555427 0.366976380072098 10.5912741264862 10.5904224682382 2422980.380963184 10433.9619527576 3933829.886392 560.311487066998 27.9145768368887 32369.9703102577 T 3 CATAB v2.0e-lin.ifort 2019-Apr-24 07:01:40 2019-Apr-24 07:01
1922-Apr-13 13:23 2_12:11 Earth 0.175245940026246 0.12865364368559 0.261199399056694 10.6415314518257 10.640102592689 2423158.057864371 3611.07213279195 5388809.92268121 168.366224425712 46.9898177844467 83839.688390801 T 3 CATAB v2.0e-lin.ifort 2019-Apr-24 07:01:40 2019-Apr-24 07:01
1930-Oct-24 08:13 5_16:57 Earth 0.175704597809528 0.0492485961019074 0.360737207564822 14.9026579338842 14.9016403263229 2426273.842450663 8217.10313887871 9409586.07438164 149.268945988484 16.2830005374394 48628.804833132 T 3 CATAB v2.0e-lin.ifort 2019-Apr-24 07:01:40 2019-Apr-24 07:01
1932-Apr-22 11:03 9_22:29 Earth 0.060505392958462 0.00224844748328172 0.292821854648662 12.9386591798449 12.9352552066636 2426819.960580870 14308.5063983296 11586264.5231219 21.4258484948533 -2.14688248963352 15458.1383629532 T 3 CATAB v2.0e-lin.ifort 2019-Apr-24 07:01:40 2019-Apr-24 07:01
1959-Oct-27 04:32 4_00:10 Earth 0.0805527720062202 0.0501540265597444 0.296669536542788 12.8519176783129 12.8493436849412 2436868.689080936 5769.9396874107 11437833.3627903 116.01399486086 38.5180289400462 71805.4436934869 T 3 CATAB v2.0e-lin.ifort 2019-Apr-24 07:01:40 2019-Apr-24 07:01
1961-Apr-27 15:02 9_21:29 Earth 0.169855001066637 0.00891645998260484 0.389750898136964 15.0202709533866 15.0192265425951 2437417.126537770 14249.4562927811 10971779.8780808 29.7982740596298 -3.01488141868354 43963.7044336318 T 3 CATAB v2.0e-lin.ifort 2019-Apr-24 07:01:40 2019-Apr-24 07:01
1969-Oct-25 13:30 3_00:21 Earth 0.187868588645472 0.144006254081358 0.274722398435518 10.5502026799836 10.5488582906674 2440520.062312279 4341.18155549059 5644230.92445312 303.506521888206 49.947177576478 59109.3354019257 T 3 CATAB v2.0e-lin.ifort 2019-Apr-24 07:01:40 2019-Apr-24 07:01
1970-Apr-10 13:45 14:18 Earth 0.297597860055714 0.280789169992461 0.429176085479394 11.0556140311254 11.0548041606034 2440687.073243138 858.294203408846 11269099.3993434 148.338468889209 70.6539608441433 157675.948375839 T 3 CATAB v2.0e-lin.ifort 2019-Apr-24 07:01:40 2019-Apr-24 07:01
1971-May-09 08:18 2_13:51 Earth 0.415006977857665 0.361203966245054 0.468823356339526 20.7836329646775 20.7833240498736 2441080.846150010 3710.59059969269 2685841.14953315 50.347406560012 -2.50528051738206 49681.1679168026 T 3 CATAB v2.0e-lin.ifort 2019-Apr-24 07:01:40 2019-Apr-24 07:01
1978-Oct-21 08:08 2_20:12 Earth 0.278413888944756 0.208329095209774 0.349426720852806 17.2884134186002 17.2878598476726 2443802.838555691 4092.47970797605 3608220.28080154 165.231131262838 12.4215537560334 51148.4611632392 T 3 CATAB v2.0e-lin.ifort 2019-Apr-24 07:01:40 2019-Apr-24 07:01
1980-Apr-18 04:48 4_00:39 Earth 0.0430839804049587 0.00271104427865799 0.142309428489737 11.4913536032031 11.4859705697195 2444347.699721487 5799.45755214577 4951038.34475915 10.0248789238008 3.63087710443384 36224.4403012415 T 3 CATAB v2.0e-lin.ifort 2019-Apr-24 07:01:40 2019-Apr-24 07:01
1988-Oct-26 01:10 2_04:42 Earth 0.0946853193780449 0.0486320367931453 0.193126981409414 13.1626433773055 13.1605053075649 2447460.548570394 3161.69656450342 5269057.42049422 116.847997896482 30.9138977509194 67525.1803932138 T 3 CATAB v2.0e-lin.ifort 2019-Apr-24 07:01:40 2019-Apr-24 07:01
1990-Apr-26 16:02 4_21:04 Earth 0.14100765712931 0.0314360713077563 0.25134451817512 14.4357130133995 14.4344039788417 2448008.168325183 7024.05284051265 5507420.138155 23.5643841588695 -3.41180944646855 54015.2456860689 T 3 CATAB v2.0e-lin.ifort 2019-Apr-24 07:01:40 2019-Apr-24 07:01
1998-Oct-27 20:12 21:30 Earth 0.109414776168266 0.0883284587451347 0.208691476734386 10.9273561805638 10.9251274089214 2451114.341573641 1290.29095698329 6208913.58107582 52.2014424456222 53.8345341055441 930317.306895731 T 3 CATAB v2.0e-lin.ifort 2019-Apr-24 07:01:40 2019-Apr-24 07:01
1999-Apr-13 07:58 8_20:06 Earth 0.3873967523109 0.366593503604807 0.535546701578677 11.8785429869408 11.8779639533046 2451281.831761309 12726.193176009 13223222.4513445 67.1138668895202 71.1394774302003 301256.310647327 T 3 CATAB v2.0e-lin.ifort 2019-Apr-24 07:01:40 2019-Apr-24 07:01
2000-May-04 06:38 3_17:57 Earth 0.320421621710566 0.238825667486242 0.402081302552064 18.4378206863114 18.4373696762118 2451668.776697868 5397.35477100521 4076681.94451455 39.6391918222952 -3.08588422485511 61509.4980121571 T 3 CATAB v2.0e-lin.ifort 2019-Apr-24 07:01:40 2019-Apr-24 07:01
2007-Oct-16 17:33 1_19:51 Earth 0.412832994411463 0.362642227879133 0.463083166261013 20.6840617187308 20.6837496822236 2454390.231472230 2630.65499651381 2516438.5861038 132.338534876206 5.59923634631204 41659.2159508108 T 3 CATAB v2.0e-lin.ifort 2019-Apr-24 07:01:40 2019-Apr-24 07:01
2008-Oct-18 18:55 4_00:20 Earth 0.284813453605428 0.24556004738895 0.326333145664694 10.571658962715 10.5707739960943 2454758.288235579 5780.25831860469 2379959.58935536 514.685606125173 31.8361450201448 37706.2200055108 T 3 CATAB v2.0e-lin.ifort 2019-Apr-24 07:01:40 2019-Apr-24 07:01
2009-Apr-12 20:15 1_15:33 Earth 0.189726136579956 0.156530951769787 0.246104768349637 10.6362386936365 10.634918237201 2454934.344067001 2372.58758733005 4032453.29874743 181.457248076732 54.0077820195593 89816.0749335886 T 3 CATAB v2.0e-lin.ifort 2019-Apr-24 07:01:40 2019-Apr-24 07:01
2017-Oct-22 18:35 02:07 Earth 0.226426736027575 0.221108457974386 0.231745077519595 16.0473486839315 16.0466153677229 2458049.274611920 126.875830326173 265269.941736345 44.6606144569621 1.37251652386595 16403.8808830963 T 3 CATAB v2.0e-lin.ifort 2019-Apr-24 07:01:40 2019-Apr-24 07:01
2018-Sep-23 16:29 07:24 Earth 0.428506069038057 0.428294274469257 0.42871940228999 10.0121587889113 10.0115377180973 2458385.186511129 443.528312409357 41921.8255653167 611.302417668435 75.3661632840325 111753.136884332 T 3 CATAB v2.0e-lin.ifort 2019-Apr-24 07:01:40 2019-Apr-24 07:01
2019-Apr-20 21:12 < 00:01 Earth 0.00149618331601014 0.00149367683552067 0.00149868961466618 12.1807093385918 12.0336186694249 2458594.383066493 0.0476835959762157 122.213231384936 1.19312514842712 3.70139456734359 1575.14295222125 T 3 CATAB v2.0e-lin.ifort 2019-Apr-24 07:01:40 2019-Apr-24 07:01
2019-Apr-21 00:47 < 00:01 Moon 0.00353804856156555 0.00353580960737654 0.00354028752899174 12.4838518065654 12.4831097802896 2458594.532537111 0.313618436797977 112.168330614118 0.937059462549314 -5.69460165210152 50193.1444972036 T 3 CATAB v2.0e-lin.ifort 2019-Apr-24 07:01:40 2019-Apr-24 07:01
2025-Oct-25 19:01 20:48 Earth 0.27782116212307 0.250530016190941 0.305400127561555 17.0360059501037 17.0354429785825 2460974.292669585 1248.10791094811 1438931.36575139 158.045088997823 17.9686984696463 78063.1838641717 T 3 CATAB v2.0e-lin.ifort 2019-Apr-24 07:01:40 2019-Apr-24 07:01
2026-Sep-02 13:20 6_07:32 Earth 0.487524423799853 0.478805345344997 0.503810043246509 8.74125718176824 8.74063192613433 2461286.055792403 9091.98671136575 3098022.39523285 490.944081200913 78.2960640447472 132494.519214666 T 3 CATAB v2.0e-lin.ifort 2019-Apr-24 07:01:40 2019-Apr-24 07:01
2027-Apr-29 14:13 1_13:42 Earth 0.189779037129853 0.156036771537399 0.223547028971213 15.4706842632056 15.4697767199503 2461525.092106188 2262.36153155573 1686834.53914131 23.869240510312 -3.71379461254072 77512.3255407538 T 3 CATAB v2.0e-lin.ifort 2019-Apr-24 07:01:40 2019-Apr-24 07:01
2033-Oct-29 18:32 15:34 Earth 0.111829420992758 0.0838968267114135 0.156866831054134 13.0323496622317 13.0305212925026 2463900.272348022 933.622321647885 2872107.01284187 125.034339358052 47.0109960939638 111650.043100538 T 3 CATAB v2.0e-lin.ifort 2019-Apr-24 07:01:40 2019-Apr-24 07:01
2035-May-08 13:07 2_23:04 Earth 0.379159319375581 0.317351956108395 0.441002576431245 19.938567789884 19.9382153374606 2464456.046615243 4263.76949417303 3088462.03564334 37.9571290104252 -3.38574421631902 83177.453932467 T 3 CATAB v2.0e-lin.ifort 2019-Apr-24 07:01:40 2019-Apr-24 07:01
2041-Oct-28 18:48 2_05:04 Earth 0.127274908411419 0.09626015311445 0.202705846597706 10.8654593893195 10.863532485748 2466821.283455194 3183.49453607491 4743927.58521065 60.7418572709538 -49.143379280583 153750.142324409 T 3 CATAB v2.0e-lin.ifort 2019-Apr-24 07:01:40 2019-Apr-24 07:01
2042-Apr-05 01:59 3_04:36 Earth 0.350353523628749 0.29958426707087 0.459719974335244 11.5115116361859 11.5108509640769 2466979.582547768 4596.32878233152 8314330.90568722 47.7581282434775 58.6441654305646 631391.0919765 T 3 CATAB v2.0e-lin.ifort 2019-Apr-24 07:01:40 2019-Apr-24 07:01
2049-Oct-18 21:24 8_21:05 Earth 0.275195035774492 0.189591520235085 0.36193079332746 10.4395509739278 10.4386234839301 2469733.391985990 12785.243286754 4386260.63200231 693.108730687084 10.9936985822775 10920.6416401598 T 3 CATAB v2.0e-lin.ifort 2019-Apr-24 07:01:40 2019-Apr-24 07:01
2050-Apr-13 06:31 5_00:17 Earth 0.162371043943659 0.108605989415259 0.2908059550026 10.6193830496327 10.6178376667809 2469909.771826635 7217.20380493144 7433437.45677615 138.570140963775 41.9842908800823 87961.7835875397 T 3 CATAB v2.0e-lin.ifort 2019-Apr-24 07:01:40 2019-Apr-24 07:01
2056-Oct-20 05:52 4_03:29 Earth 0.439143342455648 0.32555722376079 0.554002381756464 21.2203501929766 21.2200642651435 2472291.744501123 5968.92062065304 5816646.0797729 158.81067896889 11.2949736363316 75159.0971330747 T 3 CATAB v2.0e-lin.ifort 2019-Apr-24 07:01:40 2019-Apr-24 07:01
2058-Apr-21 12:47 5_13:45 Earth 0.0189582101821272 0.00156975598651126 0.140106615408704 12.3056349115176 12.2942084259015 2472840.032454752 8024.60505068187 6044017.10078193 4.26592258943013 -4.8009971388076 60217.7399463184 T 3 CATAB v2.0e-lin.ifort 2019-Apr-24 07:01:40 2019-Apr-24 07:01
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