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(2020 HC6)
Classification: Apollo [NEO]          SPK-ID: 54016747
[ 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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2753272512952668 4.702e-07  
a 1.350308287633189 8.4554e-07 au
q .9785316183979242 7.8029e-08 au
i 4.881812392449683 8.3506e-06 deg
node 224.5332303517074 6.5397e-06 deg
peri 35.79974415106918 3.6991e-05 deg
M 355.9276788231054 2.3191e-05 deg
tp 2459006.983169087940
(2020-Jun-06.48316909)		 3.3048e-05 TDB
period 573.1229857066566
1.57		 0.00053832
1.474e-06		 d
yr
n .6281374311939741 5.9e-07 deg/d
Q 1.722084956868453 1.0783e-06 au
   Orbit Determination Parameters
   # obs. used (total)      109  
   # delay obs. used      1  
   # Doppler obs. used      1  
   data-arc span      17 days  
   first obs. used      2020-04-24  
   last obs. used      2020-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .35074  
   source      ORB  
   producer      Giorgini  
   solution date      2020-Jun-18 14:12:37  

Additional Information
 Earth MOID = .00590463 au 
 Jupiter MOID = 3.33989 au 
 T_jup = 4.829 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458970.5 (2020-May-01.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2721453717843051 4.728e-07  
q .9784237365042711 7.9354e-08 au
tp 2459007.268257989621
(2020-Jun-06.76825799)		 3.4063e-05 TDB
node 224.7595140991964 6.0259e-06 deg
peri 35.8471444879868 3.8025e-05 deg
i 5.067550803344267 8.0916e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      109  
   # delay obs. used      1  
   # Doppler obs. used      1  
   data-arc span      17 days  
   first obs. used      2020-04-24  
   last obs. used      2020-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .35074  
   source      ORB  
   producer      Giorgini  
   solution date      2020-Jun-18 14:12:37  

Additional Information
 Jupiter MOID = 3.33989 au 
 T_jup = 4.829 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.235359257713615E-13 -1.241553392658193E-14 -7.919243366724535E-12 1.335137133692868E-12 -6.830157501124202E-12 1.305343573185031E-12
q -1.241553392658193E-14 6.297069675393249E-15 -1.775539303276546E-12 -1.095037131422367E-13 -2.227080460100795E-12 -1.783369998455205E-13
tp -7.919243366724535E-12 -1.775539303276546E-12 1.160255060400361E-9 -2.923485582826033E-11 1.272777805107135E-9 -5.655089512960958E-12
node 1.335137133692868E-12 -1.095037131422367E-13 -2.923485582826033E-11 3.631126783894891E-11 -4.827324823062747E-11 2.256718810145456E-11
peri -6.830157501124202E-12 -2.227080460100795E-12 1.272777805107135E-9 -4.827324823062747E-11 1.445911799667591E-9 -6.131959053111562E-12
i 1.305343573185031E-12 -1.783369998455205E-13 -5.655089512960958E-12 2.256718810145456E-11 -6.131959053111562E-12 6.547426104025386E-11

[ 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 25.39   .42066 14 autocmod 2.8

[ 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
1908-Apr-25 15:42 07:27 Earth 0.0847765925933307 0.0816173177650137 0.0879363718842267 8.40284977873361 8.39910861694131 2418057.154069921 447.329572472329 157890.10384319 3.76911024964725 3.96355624065738 196732.791657719 T 14 CATAB v2.0f-lin.ifort 2020-Jun-18 14:17:09 2020-Jun-18 14:17
1908-Aug-29 05:27 23:56 Earth 0.317797389991132 0.315411155078731 0.320190574412868 2.8884050117187 2.88550083975678 2418182.726910561 1436.45463672345 140355.173216257 30.1911579707096 33.0395627511329 119671.26891106 T 14 CATAB v2.0f-lin.ifort 2020-Jun-18 14:17:09 2020-Jun-18 14:17
1911-Feb-19 23:29 06:41 Earth 0.483283396738975 0.481848157011597 0.484718921432828 6.83640116559712 6.83559465781891 2419087.478598533 401.422495728738 73930.515244032 29.8875231050027 -14.567629783255 312875.234605626 T 14 CATAB v2.0f-lin.ifort 2020-Jun-18 14:17:09 2020-Jun-18 14:17
1911-Aug-19 02:11 04:00 Earth 0.375937685782068 0.37288797913429 0.378989138643981 16.2500682127225 16.2496320514179 2419267.591190366 239.750982998805 157394.236184601 21.0627346575723 -14.8819881606758 570999.049325922 T 14 CATAB v2.0f-lin.ifort 2020-Jun-18 14:17:09 2020-Jun-18 14:17
1922-Apr-11 15:28 03:43 Earth 0.299260350799615 0.296400685664644 0.302120119552046 14.5927630432935 14.5921528959498 2423156.144675544 223.000791745131 142872.631511427 5.46216520631848 3.56928065544265 426156.052899406 T 14 CATAB v2.0f-lin.ifort 2020-Jun-18 14:17:09 2020-Jun-18 14:17
1922-Sep-29 04:00 06:21 Earth 0.443269070995863 0.441885843975937 0.444652586675089 6.48071627746689 6.47978869399864 2423326.666787681 380.607730469968 71252.3010998332 22.3156048788724 14.5847958089666 353034.182263604 T 14 CATAB v2.0f-lin.ifort 2020-Jun-18 14:17:09 2020-Jun-18 14:17
1925-Mar-17 04:06 11:43 Earth 0.365456662702411 0.363632999506201 0.367280353276295 4.12551949406854 4.12375186604375 2424226.670855438 702.542681031382 91076.2592526507 22.1932752558578 4.86524502984764 64245.7742984325 T 14 CATAB v2.0f-lin.ifort 2020-Jun-18 14:17:09 2020-Jun-18 14:17
1925-Aug-05 11:13 05:12 Earth 0.176398708786932 0.174125548415946 0.178681902223951 9.97114898433073 9.96963401185272 2424367.967145981 312.312289141217 131557.356209271 20.2412618997454 -30.300379800063 521268.660740172 T 14 CATAB v2.0f-lin.ifort 2020-Jun-18 14:17:09 2020-Jun-18 14:17
1936-Apr-01 21:57 01:37 Earth 0.484259596373634 0.482836205685696 0.485682994303534 19.9640977320702 19.9638221268549 2428260.414570869 97.4763128120637 71040.3239542122 5.91523449233244 2.40909297340002 445527.107146941 T 14 CATAB v2.0f-lin.ifort 2020-Jun-18 14:17:09 2020-Jun-18 14:17
1939-Jul-06 02:37 09:43 Earth 0.0799040768932628 0.0797168718706848 0.0800972863439973 5.4058748167734 5.39970282376226 2429450.609108916 582.52372986794 35838.2107050553 18.74574885532 -74.6809723054507 514251.601146474 T 14 CATAB v2.0f-lin.ifort 2020-Jun-18 14:17:09 2020-Jun-18 14:17
1953-May-18 03:07 01:49 Earth 0.0316009278053106 0.0314262906060763 0.0317755729489039 5.43334407210518 5.41780350551206 2434515.629981585 108.607917411849 8744.53376358432 4.92785361985712 -4.85186693267789 83405.4867646401 T 14 CATAB v2.0f-lin.ifort 2020-Jun-18 14:17:09 2020-Jun-18 14:17
1967-Jun-17 00:05 01:21 Earth 0.069791237878396 0.0697525909947011 0.0698299265377391 5.19253068846086 5.18517302051831 2439658.503798515 81.4195582199742 3313.39775789948 14.8014747758704 -54.4266478475918 465561.067524226 T 14 CATAB v2.0f-lin.ifort 2020-Jun-18 14:17:09 2020-Jun-18 14:17
1978-Apr-03 04:05 00:01 Earth 0.471300066133322 0.471285328134628 0.471314804132633 19.6243063666347 19.62401827959 2443601.670481279 1.02399112473168 735.398311750482 5.67086302546883 2.08838617139617 400949.064210488 T 14 CATAB v2.0f-lin.ifort 2020-Jun-18 14:17:09 2020-Jun-18 14:17
1981-Jul-26 05:30 00:04 Earth 0.106485898821125 0.106474817655775 0.106496982140092 7.18490818490594 7.18142477707576 2444811.729455618 3.76371677142936 936.31768748012 20.1796621050004 -53.8768911329614 515962.874745738 T 14 CATAB v2.0f-lin.ifort 2020-Jun-18 14:17:09 2020-Jun-18 14:17
1992-Apr-12 07:26 00:10 Earth 0.285759586121996 0.285628270046827 0.285890902410606 14.211009987201 14.2103538470262 2448724.809730047 10.3125901606126 6559.77783868157 5.26528368188586 3.45512624388263 406498.979859302 T 14 CATAB v2.0f-lin.ifort 2020-Jun-18 14:17:09 2020-Jun-18 14:17
1992-Sep-27 03:10 00:19 Earth 0.43789967867914 0.437834069417347 0.43796528857597 6.33719002337125 6.33622979639138 2448892.632138412 18.6161332941946 3375.72977526854 23.3231298242687 14.3614567963842 317146.966082495 T 14 CATAB v2.0f-lin.ifort 2020-Jun-18 14:17:09 2020-Jun-18 14:17
1995-Mar-03 23:28 00:26 Earth 0.428717057732839 0.428629685985306 0.42880442992512 5.68143493494529 5.6803409146673 2449780.477565885 25.7088693317915 4410.97747966021 27.3812048974185 -9.21428751381939 163498.120515007 T 14 CATAB v2.0f-lin.ifort 2020-Jun-18 14:17:09 2020-Jun-18 14:17
1995-Aug-13 05:11 00:13 Earth 0.269228299349573 0.26907806639516 0.269378543254722 13.0262754135093 13.0255156401555 2449942.716299950 13.396503446517 7966.08109696105 20.5026980003973 -19.8829114691841 540427.591530525 T 14 CATAB v2.0f-lin.ifort 2020-Jun-18 14:17:09 2020-Jun-18 14:17
2006-Apr-26 05:19 00:32 Earth 0.0895786848583997 0.0893418217125338 0.0898155494001396 8.55750696490199 8.55403041361958 2453851.721603722 32.1700650311255 11824.6015878306 3.78809911576714 2.98876591366598 153890.310629449 T 14 CATAB v2.0f-lin.ifort 2020-Jun-18 14:17:09 2020-Jun-18 14:17
2006-Aug-31 03:07 01:37 Earth 0.321863260560082 0.321685447991739 0.322041109880642 3.02253542028074 3.01979532003106 2453978.629777835 97.0423695377678 10396.3466807349 30.1771895882966 32.3638484794439 136245.983336434 T 14 CATAB v2.0f-lin.ifort 2020-Jun-18 14:17:09 2020-Jun-18 14:17
2009-Aug-22 14:29 00:14 Earth 0.44011802750634 0.439934000858711 0.440302058373273 18.2121954931686 18.2118630749185 2455066.103317349 14.0599323503755 9425.01103523842 21.6693936987352 -13.1857333397098 588405.825471764 T 14 CATAB v2.0f-lin.ifort 2020-Jun-18 14:17:09 2020-Jun-18 14:17
2020-May-08 19:21 < 00:01 Moon 0.00776203098995804 0.00776200636520979 0.00776205561470652 5.38209663585575 5.38131208055209 2458978.306421147 0.0144081933444641 1.29220103529394 1.21557182176672 -66.4445003544444 1009019.19641597 T 14 CATAB v2.0f-lin.ifort 2020-Jun-18 14:17:09 2020-Jun-18 14:17
2020-May-09 10:55 < 00:01 Earth 0.00742330624952829 0.00742327684423722 0.00742333565482064 6.04623020898706 5.98657089757577 2458978.955000532 0.0143041368191697 1.48007460872008 1.26626693052305 -6.90747190132439 733600.412826998 T 14 CATAB v2.0f-lin.ifort 2020-Jun-18 14:17:09 2020-Jun-18 14:17
2031-Apr-22 18:13 00:21 Earth 0.132747768315648 0.132557769795192 0.132937767836449 9.8254606750766 9.82341763276597 2462979.259036258 20.8618608267841 9491.89651093715 4.35166089066672 3.62209661696263 237022.622988863 T 14 CATAB v2.0f-lin.ifort 2020-Jun-18 14:17:09 2020-Jun-18 14:17
2031-Sep-09 00:27 00:47 Earth 0.353802969496303 0.353678642400075 0.353927304072715 4.1434442179725 4.14162625651392 2463118.518609880 47.117819983574 6709.88155192215 29.9311602629199 22.8255728167856 186632.239363554 T 14 CATAB v2.0f-lin.ifort 2020-Jun-18 14:17:09 2020-Jun-18 14:17
2042-Apr-10 20:14 00:21 Earth 0.324874843623388 0.324594694596402 0.325154993207117 15.4111536606916 15.4106214683491 2466985.342762642 21.3356633226868 13986.0019327282 5.30956611073796 2.79823977014473 373642.781117339 T 14 CATAB v2.0f-lin.ifort 2020-Jun-18 14:17:09 2020-Jun-18 14:17
2042-Oct-01 00:15 00:36 Earth 0.459891498477707 0.459759727499949 0.460023271501531 6.67880372451167 6.67793619051718 2467158.510174138 36.0297974935777 6746.65768713148 22.670669958754 13.1942083074382 327272.930095631 T 14 CATAB v2.0f-lin.ifort 2020-Jun-18 14:17:09 2020-Jun-18 14:17
2045-Feb-25 19:16 00:41 Earth 0.462728837381623 0.462580102675967 0.462877573876495 6.35794411108332 6.35703837844008 2468037.302976232 41.3119490377631 7554.37738265022 29.8395001364039 -11.0787842716117 210607.849050702 T 14 CATAB v2.0f-lin.ifort 2020-Jun-18 14:17:09 2020-Jun-18 14:17
2045-Aug-16 11:54 00:24 Earth 0.326593002968342 0.326309818552099 0.326876208023218 14.8788429315438 14.8782945986188 2468208.996096473 23.9493562332086 14703.2676347903 21.3081639214803 -16.1773280328547 524659.288109712 T 14 CATAB v2.0f-lin.ifort 2020-Jun-18 14:17:09 2020-Jun-18 14:17
2056-Mar-23 00:33 01:53 Earth 0.35085832951004 0.350615604880496 0.351101089548796 3.607564598508 3.60545891443022 2472080.523007972 112.571520080135 13320.4081397415 15.6831875698111 25.1585719357521 311293.627050203 T 14 CATAB v2.0f-lin.ifort 2020-Jun-18 14:17:09 2020-Jun-18 14:17
2056-Aug-03 21:54 00:42 Earth 0.155214265372472 0.154945451357085 0.155483275981632 9.34886293446845 9.34702654587467 2472214.412426805 41.7036621463046 15990.8910451785 20.9334167105697 -33.0308462121083 478711.607306019 T 14 CATAB v2.0f-lin.ifort 2020-Jun-18 14:17:09 2020-Jun-18 14:17
2067-Jul-10 14:03 02:12 Earth 0.0788030185232904 0.0787613671021238 0.0788450876357217 5.51229752655929 5.50616020767553 2476207.085733118 132.437837435183 9289.97613930983 19.6837532827042 -77.0547176307545 494962.103941869 T 14 CATAB v2.0f-lin.ifort 2020-Jun-18 14:17:09 2020-Jun-18 14:17
2078-Jun-02 08:22 02:47 Earth 0.0555405864367979 0.0554007623638857 0.0556804974761015 5.18330051696284 5.17403683216558 2480186.848940833 167.32532377561 7789.59570254824 9.6616150663735 -26.4177766167613 357338.355857395 T 14 CATAB v2.0f-lin.ifort 2020-Jun-18 14:17:09 2020-Jun-18 14:17
2089-May-22 06:18 00:16 Earth 0.0391155251538834 0.0390943661309217 0.0391366843685564 5.32894322041723 5.3161451670953 2484193.762480183 15.7616171594209 1063.94189284201 5.95115506099579 -7.20654311756707 126898.591442781 T 14 CATAB v2.0f-lin.ifort 2020-Jun-18 14:17:09 2020-Jun-18 14:17
2100-Jun-25 03:09 03:11 Earth 0.0722672056792453 0.0722093647494913 0.0723253634602506 5.21617874831317 5.20910559321671 2488244.631434933 191.374357864161 8085.94194337971 16.630142212546 -69.0523581054146 495770.269934144 T 14 CATAB v2.0f-lin.ifort 2020-Jun-18 14:17:09 2020-Jun-18 14:17
2111-Jul-30 00:32 02:08 Earth 0.109528615513336 0.109112822589906 0.109946439452987 7.54668207748724 7.54345788110331 2492296.522286318 127.875577226139 31391.0056661219 20.9747077647916 -48.5675040594724 471960.378034249 T 14 CATAB v2.0f-lin.ifort 2020-Jun-18 14:17:09 2020-Jun-18 14:17
2122-Mar-07 13:27 02:20 Earth 0.425895306645888 0.425412286725744 0.42637833369416 5.54861050713144 5.5474828699291 2496170.060473148 139.671622345741 24242.6613383915 27.9743904994893 -6.84549995505484 116220.345626516 T 14 CATAB v2.0f-lin.ifort 2020-Jun-18 14:17:09 2020-Jun-18 14:17
2122-Aug-13 20:49 01:15 Earth 0.259120181743129 0.25832369587296 0.259916982607179 12.8347482298093 12.8339470364912 2496329.367387609 74.6039552504254 42202.837225935 21.088445559444 -19.7420167482428 501187.946430127 T 14 CATAB v2.0f-lin.ifort 2020-Jun-18 14:17:09 2020-Jun-18 14:17
2130-Apr-12 22:34 01:07 Earth 0.315522956743209 0.314632051165115 0.316413867480494 15.1406202184081 15.1400624605119 2499128.440419551 66.9524752664436 44471.5227696019 5.1395280448989 2.64894231306457 352944.422568725 T 14 CATAB v2.0f-lin.ifort 2020-Jun-18 14:17:09 2020-Jun-18 14:17
2130-Sep-30 21:01 01:55 Earth 0.456812368234857 0.456379016530473 0.457245739769446 6.58559025006306 6.58470450446277 2499299.375792103 115.370671936379 22125.1050533546 23.8240657795947 12.4856819368696 292015.247817083 T 14 CATAB v2.0f-lin.ifort 2020-Jun-18 14:17:09 2020-Jun-18 14:17
2133-Aug-24 03:05 01:02 Earth 0.441946542767043 0.441094901972932 0.442798262446471 18.3503665547603 18.3500380045421 2500357.628390814 62.3349448995325 43478.509495804 21.8624086647569 -12.3722852975907 549877.854615932 T 14 CATAB v2.0f-lin.ifort 2020-Jun-18 14:17:09 2020-Jun-18 14:17
2141-Apr-24 02:48 01:32 Earth 0.130871054522937 0.130037574128154 0.131704543467962 9.79573172909425 9.79365309544841 2503157.616657546 92.340410839204 41595.9766217685 4.25987621093084 2.52216532225284 165123.625856662 T 14 CATAB v2.0f-lin.ifort 2020-Jun-18 14:17:09 2020-Jun-18 14:17
2141-Sep-08 20:27 03:29 Earth 0.352277782197715 0.351715470332765 0.352840244185099 4.02376976479413 4.02188960198757 2503295.352196685 208.809118293149 30299.05831764 30.7938915944751 22.6063933429806 181324.867980178 T 14 CATAB v2.0f-lin.ifort 2020-Jun-18 14:17:09 2020-Jun-18 14:17
2152-May-09 21:07 01:33 Earth 0.00826286271409022 0.00825392961229371 0.0082807804149507 6.14727108577969 6.0945888242478 2507191.379964248 92.9263573832474 13663.9756837442 1.01986233021877 -87.2251357159086 972645.864470454 T 14 CATAB v2.0f-lin.ifort 2020-Jun-18 14:17:09 2020-Jun-18 14:17
2152-May-09 23:40 01:23 Moon 0.00911992870494551 0.00901954767712883 0.00922779632320335 7.06180902113391 7.06130012751158 2507191.486025020 82.4974042027433 14028.0285532125 1.05480717312083 -68.2670750500193 1180335.64022183 T 14 CATAB v2.0f-lin.ifort 2020-Jun-18 14:17:09 2020-Jun-18 14:17
2163-May-09 15:22 5_06:08 Earth 0.00950537100378097 0.00817195238588137 0.0300557098472543 6.25496878527253 6.20999262856036 2511208.140067772 7567.75052882353 1201886.36767437 0.932881750820098 -59.4320991650905 994268.346956046 T 14 CATAB v2.0f-lin.ifort 2020-Jun-18 14:17:09 2020-Jun-18 14:17
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