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(2018 BU1)
Classification: Apollo [NEO]          SPK-ID: 3797752
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .462327417794634 1.9074e-07  
a 1.5933285189165 1.8547e-08 au
q .8566890590672859 3.0111e-07 au
i 6.378759802446204 2.7295e-05 deg
node 302.9923251391845 1.0237e-05 deg
peri 238.0274872790869 6.004e-05 deg
M 137.7541360557932 2.3873e-05 deg
tp 2458919.401474247889
(2020-Mar-10.90147425)
4.4702e-05 TDB
period 734.6092986258789
2.01
1.2827e-05
3.512e-08
d
yr
n .4900564159389173 8.5566e-09 deg/d
Q 2.329967978765715 2.7121e-08 au
  Orbit Determination Parameters
   # obs. used (total)      109  
   data-arc span      745 days (2.04 yr)  
   first obs. used      2018-01-09  
   last obs. used      2020-01-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42007  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 20:20:14  

Additional Information
 Earth MOID = .00731201 au 
 Jupiter MOID = 2.65825 au 
 T_jup = 4.241 
[ 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 24.6   n/a MPO545073  

[ 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
1990-Apr-13 09:29 < 00:01 Mars 0.0551847919753636 0.0551768464812369 0.0551927374850901 15.0510512071841 15.0507065201693 2447994.895474371 0.526519847058971 398.90799604265 17.8420662101486 6.67556057534317 57091.6082286832 T 12 CATAB v2.0g-lin.ifort 2021-Apr-15 20:20:15 2021-Apr-15 20:20
2005-Dec-31 23:39 < 00:01 Earth 0.419734096423013 0.419731748938491 0.419736443908083 23.7389053220902 23.7386379107228 2453736.485566891 0.239352030475939 119.55716901207 14.2321610114071 11.8200809349767 906753.249131747 T 12 CATAB v2.0g-lin.ifort 2021-Apr-15 20:20:15 2021-Apr-15 20:20
2008-Jan-05 18:51 < 00:01 Earth 0.335262707565378 0.335261160094283 0.335264255036988 21.2260002743863 21.2256258511664 2454471.285367195 0.187095686264735 79.930917654927 11.2072110844932 15.2708733265271 1120190.57805076 T 12 CATAB v2.0g-lin.ifort 2021-Apr-15 20:20:15 2021-Apr-15 20:20
2010-Jan-09 12:51 < 00:01 Earth 0.251685186061853 0.251684466251986 0.251685905872234 18.7761218433401 18.7755580040589 2455206.035400387 0.131195327643163 40.2877499751795 6.7820068646029 27.4325999139926 2076979.93826527 T 12 CATAB v2.0g-lin.ifort 2021-Apr-15 20:20:15 2021-Apr-15 20:20
2012-Jan-15 01:42 < 00:01 Earth 0.165866898666891 0.165866591951158 0.165867205382625 16.2196422046776 16.2186517727708 2455941.570630007 0.0752620846656975 15.9289517974143 15.2559659628101 -76.1301450194248 1861960.49720141 T 12 CATAB v2.0g-lin.ifort 2021-Apr-15 20:20:15 2021-Apr-15 20:20
2014-Jan-19 07:28 < 00:01 Earth 0.0917381909091795 0.0917371462118709 0.0917392356067019 14.0255914071342 14.0235204406678 2456676.811291984 0.0762390700771715 52.5691006361363 8.92137301541934 -7.84164882847547 324642.707324689 T 12 CATAB v2.0g-lin.ifort 2021-Apr-15 20:20:15 2021-Apr-15 20:20
2016-Jan-25 01:58 < 00:01 Earth 0.0250086505960068 0.0250069794274763 0.0250103217677614 12.0679789172378 12.0591471726737 2457412.581868106 0.185208268317707 84.5348779611414 5.43204278686761 9.72072145000283 115289.341208446 T 12 CATAB v2.0g-lin.ifort 2021-Apr-15 20:20:15 2021-Apr-15 20:20
2018-Jan-26 23:38 < 00:01 Moon 0.00685380663820428 0.00685360162211376 0.00685401165505412 12.0261352916224 12.0257376718042 2458145.484494543 0.0466278543420293 10.8885632621267 2.87053523770734 -20.9036188157477 154719.950105333 T 12 CATAB v2.0g-lin.ifort 2021-Apr-15 20:20:15 2021-Apr-15 20:20
2018-Jan-27 05:00 < 00:01 Earth 0.00787230605684169 0.00787208706937955 0.00787252504432307 11.3077240917122 11.277752409111 2458145.708521589 0.0488925268500182 10.9389022922747 3.25619056129988 -3.7260211972445 107979.284821901 T 12 CATAB v2.0g-lin.ifort 2021-Apr-15 20:20:15 2021-Apr-15 20:20
2020-Feb-03 23:41 < 00:01 Earth 0.0576104399202131 0.057609482377182 0.0576113974633817 9.81274568965417 9.80803130559933 2458883.486510810 0.213993878569759 47.971417118478 12.7352825788844 5.72692936070347 187051.498970114 T 12 CATAB v2.0g-lin.ifort 2021-Apr-15 20:20:15 2021-Apr-15 20:20
2022-Feb-17 16:17 < 00:01 Earth 0.1146451809567 0.114643849376393 0.114646512539718 8.93560621685733 8.93300488504817 2459628.178611666 0.516375253700235 73.3717750333276 30.1369757256235 27.822651231952 298598.086303881 T 12 CATAB v2.0g-lin.ifort 2021-Apr-15 20:20:15 2021-Apr-15 20:20
2024-Mar-09 15:56 < 00:01 Earth 0.154058830707288 0.154057540511464 0.154060120905153 9.11996075786859 9.11806414824119 2460379.163703247 0.74527586318677 76.305502036966 47.1029057575225 43.1292495732434 325287.025401343 T 12 CATAB v2.0g-lin.ifort 2021-Apr-15 20:20:15 2021-Apr-15 20:20
2026-Mar-29 06:37 < 00:01 Earth 0.167586588298857 0.167585442226639 0.167587734371284 9.20398697560798 9.20225939682429 2461128.775994240 0.932859240633747 76.319760618591 56.1796114832441 78.3346854766331 357981.778993004 T 12 CATAB v2.0g-lin.ifort 2021-Apr-15 20:20:15 2021-Apr-15 20:20
2028-Apr-18 16:59 00:01 Earth 0.158394815427963 0.158393548111405 0.158396082750976 8.71862376409675 8.71669414530561 2461880.207467607 1.28795980023045 115.877549900023 53.9925651268212 -71.3313564395002 365242.201716766 T 12 CATAB v2.0g-lin.ifort 2021-Apr-15 20:20:15 2021-Apr-15 20:20
2030-May-10 13:08 00:01 Earth 0.126102037813418 0.126100413913117 0.126103661768045 8.87705080441993 8.87467024085151 2462632.046982356 1.22134292432638 183.913984015613 49.593352145381 -68.802888468927 354067.060389331 T 12 CATAB v2.0g-lin.ifort 2021-Apr-15 20:20:15 2021-Apr-15 20:20
2032-May-21 20:28 < 00:01 Earth 0.100088531540466 0.100087531702001 0.100089531396744 10.7003668388869 10.6978786699209 2463374.352532904 0.787490820259489 215.913696118724 47.2858289087851 85.7043686325111 298928.721376862 T 12 CATAB v2.0g-lin.ifort 2021-Apr-15 20:20:15 2021-Apr-15 20:20
2034-May-29 10:41 < 00:01 Earth 0.117209465551362 0.11720605677756 0.117212874442147 12.9287969390436 12.9270385252114 2464111.945326463 0.68203040937765 256.670576850131 47.4626913371507 49.6829166879422 258263.455018681 T 12 CATAB v2.0g-lin.ifort 2021-Apr-15 20:20:15 2021-Apr-15 20:20
2036-Jun-03 21:19 < 00:01 Earth 0.180039549116761 0.180034256884162 0.180044841384544 15.4935933773527 15.4926381523659 2464848.388054465 0.651807506512641 293.230744728897 50.0340240390617 26.2630621629067 224095.416822566 T 12 CATAB v2.0g-lin.ifort 2021-Apr-15 20:20:15 2021-Apr-15 20:20
2038-Jun-09 09:56 < 00:01 Earth 0.256139002647211 0.256132650423028 0.256145354883652 18.0081641409606 18.0075864784708 2465583.913744244 0.659679357682424 329.207164651863 53.869562690635 16.0329605058529 201008.375655069 T 12 CATAB v2.0g-lin.ifort 2021-Apr-15 20:20:15 2021-Apr-15 20:20
2040-Jun-13 20:51 < 00:01 Earth 0.341210074962193 0.341202986894814 0.341217163034034 20.6386837332589 20.6383053669175 2466319.368794139 0.673175296634497 358.932490887686 58.9502449492937 10.1691568143775 185789.864785296 T 12 CATAB v2.0g-lin.ifort 2021-Apr-15 20:20:15 2021-Apr-15 20:20
2042-Jun-19 03:06 < 00:01 Earth 0.430645524530024 0.430637866553067 0.430653182508572 23.3103300590376 23.3100646312004 2467054.628878505 0.692022918522126 384.175177184177 65.1723916546471 6.37555205407879 180746.002613779 T 12 CATAB v2.0g-lin.ifort 2021-Apr-15 20:20:15 2021-Apr-15 20:20
2146-Dec-31 20:31 00:02 Earth 0.474236042143653 0.474209632215972 0.474262452075944 25.3731400102828 25.3729185756846 2505235.355024819 1.91906332248685 1319.01519715045 22.6427273130175 3.21200173244453 166918.52839327 T 12 CATAB v2.0g-lin.ifort 2021-Apr-15 20:20:15 2021-Apr-15 20:20
2149-Jan-05 03:39 00:02 Earth 0.378309768665322 0.378282947292023 0.378336590042707 22.5150186221035 22.5147058013861 2505970.652202337 1.99047794397259 1338.90888130144 19.6519083700109 2.67048343796836 126826.030769811 T 12 CATAB v2.0g-lin.ifort 2021-Apr-15 20:20:15 2021-Apr-15 20:20
2151-Jan-10 10:16 00:02 Earth 0.28530735882459 0.285280445465007 0.285334272188423 19.7482857905049 19.7478128841176 2506705.928033105 2.08625468832316 1343.17970005665 16.8411785288531 2.36757081788949 97988.4394282513 T 12 CATAB v2.0g-lin.ifort 2021-Apr-15 20:20:15 2021-Apr-15 20:20
2153-Jan-14 23:45 00:02 Earth 0.189624402249662 0.189597890016254 0.189650914490346 16.9509142008677 16.950085236953 2507441.489298896 2.24231764612445 1323.35473582676 13.7364096315009 2.5776669843195 85292.6065529954 T 12 CATAB v2.0g-lin.ifort 2021-Apr-15 20:20:15 2021-Apr-15 20:20
2155-Jan-20 23:09 00:02 Earth 0.104102761912203 0.104077975534942 0.104127548337384 14.3763985136932 14.3746180755268 2508177.464901614 2.45257755013546 1241.00655532053 11.3151476000527 5.18286955368224 112796.808136968 T 12 CATAB v2.0g-lin.ifort 2021-Apr-15 20:20:15 2021-Apr-15 20:20
2157-Jan-26 03:04 00:03 Earth 0.0302018049754044 0.0301829095539297 0.0302207023503737 12.169633184371 12.1623816254259 2508913.627520405 2.62218414223637 1017.20886067293 9.13275586700704 22.1416065613314 173965.309995982 T 12 CATAB v2.0g-lin.ifort 2021-Apr-15 20:20:15 2021-Apr-15 20:20
2159-Jan-30 23:55 < 00:01 Earth 0.0199960495833981 0.0199957615187389 0.0199963376480562 10.9087159787351 10.89649410276 2509648.496342431 0.0377470789076619 14.3652111591292 8.38748029616605 -1.88710469525253 194191.339987761 T 12 CATAB v2.0g-lin.ifort 2021-Apr-15 20:20:15 2021-Apr-15 20:20
2161-Feb-10 21:55 00:06 Earth 0.0861458881385874 0.0861286831128655 0.0861630932697331 9.20175615127331 9.19839423860991 2510390.413272261 6.12727998295745 871.020466456405 19.1389764122188 9.90111776560788 123140.32379646 T 12 CATAB v2.0g-lin.ifort 2021-Apr-15 20:20:15 2021-Apr-15 20:20
2163-Mar-03 16:24 00:15 Earth 0.140969497811067 0.140950727143026 0.140988269131117 8.92639914835749 8.92428145818875 2511141.183505161 15.3171549875575 1051.27891991021 40.1514639213515 27.1083262373787 207598.548943721 T 12 CATAB v2.0g-lin.ifort 2021-Apr-15 20:20:15 2021-Apr-15 20:20
2165-Mar-25 21:22 00:21 Earth 0.167200752449879 0.167195144111255 0.167206361131181 9.24404027064781 9.24231620895825 2511894.390351871 20.9573018813469 475.626055315495 53.9200414311684 54.4971432885226 317547.93583936 T 12 CATAB v2.0g-lin.ifort 2021-Apr-15 20:20:15 2021-Apr-15 20:20
2167-Apr-18 02:44 00:31 Earth 0.161042781509569 0.161024096731568 0.161061469822335 8.77461749574322 8.77273172206205 2512647.613552358 30.5586726419044 1512.66921361211 49.8806004811295 -52.0258076848181 321795.18345547 T 12 CATAB v2.0g-lin.ifort 2021-Apr-15 20:20:15 2021-Apr-15 20:20
2169-May-11 06:53 00:31 Earth 0.127266558817837 0.12721928530161 0.127313863485373 8.77347602076651 8.77108938889345 2513401.786617501 30.7403187440103 3927.65418647485 52.2622914545189 -53.0999179746122 333673.482139357 T 12 CATAB v2.0g-lin.ifort 2021-Apr-15 20:20:15 2021-Apr-15 20:20
2171-May-25 14:26 00:16 Earth 0.0959287388986245 0.0959199310304708 0.0959376597913892 10.8288407015621 10.8262754314561 2514146.101643122 16.4743430903116 5245.33075737952 50.1078517982126 -85.1898815325855 292372.451811447 T 12 CATAB v2.0g-lin.ifort 2021-Apr-15 20:20:15 2021-Apr-15 20:20
2173-Jun-01 17:49 00:14 Earth 0.123725018399118 0.123641712452979 0.123808409406341 13.3980775748329 13.3964701214201 2514884.242593335 13.5524294277594 6591.71573110511 48.4881736249812 50.9177179897366 275873.794230671 T 12 CATAB v2.0g-lin.ifort 2021-Apr-15 20:20:15 2021-Apr-15 20:20
2175-Jun-08 06:03 00:13 Earth 0.195640278107384 0.195504373702147 0.195776211905961 16.1068214290836 16.105975847255 2515620.752356288 13.1733103019631 7761.34735883106 48.5590920800476 29.1643344032971 263968.899939937 T 12 CATAB v2.0g-lin.ifort 2021-Apr-15 20:20:15 2021-Apr-15 20:20
2177-Jun-13 12:12 00:13 Earth 0.284611032601684 0.284446383997575 0.284775692323626 18.9810546825389 18.9805614565773 2516357.008172568 13.3736914309675 8676.59828403198 50.3462956169803 18.8668897914098 244176.501926779 T 12 CATAB v2.0g-lin.ifort 2021-Apr-15 20:20:15 2021-Apr-15 20:20
2179-Jun-19 00:36 00:14 Earth 0.377999269737088 0.377815593994159 0.378182950465593 21.7851649723196 21.784841405658 2517092.525237580 13.859228954763 9411.64059778787 54.2337914101022 13.3017918243773 215378.560326904 T 12 CATAB v2.0g-lin.ifort 2021-Apr-15 20:20:15 2021-Apr-15 20:20
2181-Jun-23 11:10 00:15 Earth 0.471486266983229 0.471287264404956 0.471685271992047 24.5869855095064 24.5867556618637 2517827.965168115 14.5622498351467 10066.0733426633 59.5266443859728 9.65797419712484 180289.717149845 T 12 CATAB v2.0g-lin.ifort 2021-Apr-15 20:20:15 2021-Apr-15 20:20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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