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(2018 BU1)
Classification: Apollo [NEO]          SPK-ID: 3797752
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4621254778495456 1.9086e-07  
a 1.593495967552987 1.8733e-08 au
q .8571008820962386 3.0103e-07 au
i 6.378566585106759 2.7294e-05 deg
node 302.9929963626071 1.0237e-05 deg
peri 238.0384704794497 6.0097e-05 deg
M 39.757064157757 2.2527e-05 deg
tp 2458919.359685642577
(2020-Mar-10.85968564)
4.4803e-05 TDB
period 734.7251057765337
2.01
1.2956e-05
3.547e-08
d
yr
n .4899791733937207 8.6402e-09 deg/d
Q 2.329891053009734 2.739e-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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42007  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-25 05:41:59  

Additional Information
 Earth MOID = .00748989 au 
 Jupiter MOID = 2.65932 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 24.7   n/a MPO438050  

[ 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 0.0551847840374836 0.0551768395172122 0.0551927285733484 15.0510510637897 15.0507063767269 2447994.895473830 0.52649109713832 398.858726404922 17.8422849891233 6.67509930042643 57088.4651685815 T 11 CATAB v2.0f-lin.ifort 2020-Jan-25 05:42:13 2020-Jan-25 05:42
2005-Dec-31 23:39 < 00:01 Earth 0.419734091420075 0.41973174386348 0.41973643897722 23.7389051624772 23.7386377511049 2453736.485566673 0.239358190434252 119.560820874257 14.2311638471784 11.8200198052128 906791.083205977 T 11 CATAB v2.0f-lin.ifort 2020-Jan-25 05:42:13 2020-Jan-25 05:42
2008-Jan-05 18:51 < 00:01 Earth 0.335262702108444 0.335261154567147 0.335264249650237 21.2260001063437 21.2256256831148 2454471.285366900 0.187101385057611 79.9344128154608 11.2064187492071 15.2704874713611 1120223.58870624 T 11 CATAB v2.0f-lin.ifort 2020-Jan-25 05:42:13 2020-Jan-25 05:42
2010-Jan-09 12:51 < 00:01 Earth 0.251685181070241 0.251684461201531 0.251685900939466 18.7761216735011 18.7755578342038 2455206.035400747 0.131199849976097 40.2904434339503 6.78150492906958 27.4307736464044 2077027.88080721 T 11 CATAB v2.0f-lin.ifort 2020-Jan-25 05:42:13 2020-Jan-25 05:42
2012-Jan-15 01:42 < 00:01 Earth 0.165866895892537 0.165866589169662 0.165867202615412 16.2196421098885 16.2186516779595 2455941.570630027 0.0752648482477033 15.9285495745326 15.256745738534 -76.1936313129463 1861920.11038262 T 11 CATAB v2.0f-lin.ifort 2020-Jan-25 05:42:13 2020-Jan-25 05:42
2014-Jan-19 07:28 < 00:01 Earth 0.0917381892261754 0.0917371445364525 0.0917392339161121 14.0255913509006 14.0235203843884 2456676.811291900 0.0762391273085097 52.5687126295171 8.92147634715394 -7.841600817371 324642.128344727 T 11 CATAB v2.0f-lin.ifort 2020-Jan-25 05:42:13 2020-Jan-25 05:42
2016-Jan-25 01:58 < 00:01 Earth 0.0250086502906626 0.0250069791208063 0.025010321463743 12.0679788984007 12.0591471537165 2457412.581867993 0.185208534504211 84.5349486435883 5.43205842771659 9.7207359630228 115289.181913654 T 11 CATAB v2.0f-lin.ifort 2020-Jan-25 05:42:13 2020-Jan-25 05:42
2018-Jan-26 23:38 < 00:01 Moon 0.0068538066733787 0.00685360165732725 0.00685401169018947 12.0261352579556 12.0257376381425 2458145.484494627 0.0466278473410886 10.8885611155946 2.87053520163841 -20.9036180649994 154719.958678137 T 11 CATAB v2.0f-lin.ifort 2020-Jan-25 05:42:13 2020-Jan-25 05:42
2018-Jan-27 05:00 < 00:01 Earth 0.00787230611268433 0.00787208712526494 0.00787252510012251 11.3077240681205 11.2777523856748 2458145.708521538 0.0488925199173006 10.9389001290657 3.25619044344516 -3.72602005926503 107979.304980305 T 11 CATAB v2.0f-lin.ifort 2020-Jan-25 05:42:13 2020-Jan-25 05:42
2020-Feb-03 23:41 < 00:01 Earth 0.0576104425306363 0.057609484986812 0.0576114000746015 9.81274560490843 9.80803122102736 2458883.486511176 0.213993964965604 47.9714544418956 12.7352762080775 5.72689667889652 187051.289134137 T 11 CATAB v2.0f-lin.ifort 2020-Jan-25 05:42:13 2020-Jan-25 05:42
2022-Feb-17 16:17 < 00:01 Earth 0.114645183447408 0.114643851866864 0.11464651503067 8.93560609628252 8.93300476449523 2459628.178611462 0.516373598506074 73.3716836188991 30.1369692286477 27.8224627371157 298597.431497831 T 11 CATAB v2.0f-lin.ifort 2020-Jan-25 05:42:13 2020-Jan-25 05:42
2024-Mar-09 15:56 < 00:01 Earth 0.154058831723102 0.154057541527129 0.154060121921106 9.11996080698174 9.1180641973774 2460379.163705561 0.745268832445144 76.3051977515997 47.1029688513023 43.1288849274139 325286.233702092 T 11 CATAB v2.0f-lin.ifort 2020-Jan-25 05:42:13 2020-Jan-25 05:42
2026-Mar-29 06:37 < 00:01 Earth 0.167586588201077 0.167585442129679 0.167587734272676 9.20398696332397 9.20225938453727 2461128.775994333 0.932841221944215 76.3191958022136 56.1795097006967 78.3341531881119 357982.274227417 T 11 CATAB v2.0f-lin.ifort 2020-Jan-25 05:42:13 2020-Jan-25 05:42
2028-Apr-18 16:59 00:01 Earth 0.15839481576748 0.15839354847903 0.158396083062396 8.71862373189752 8.71669411310374 2461880.207467402 1.28791857313198 115.87454192068 53.9923584906596 -71.3321254839866 365245.08039904 T 11 CATAB v2.0f-lin.ifort 2020-Jan-25 05:42:13 2020-Jan-25 05:42
2030-May-10 13:08 00:01 Earth 0.126102040069023 0.126100416254223 0.12610366393815 8.87705071119021 8.87467014763979 2462632.046981881 1.22129390076813 183.905269814894 49.5932104539632 -68.8035918741343 354069.497013036 T 11 CATAB v2.0f-lin.ifort 2020-Jan-25 05:42:13 2020-Jan-25 05:42
2032-May-21 20:28 < 00:01 Earth 0.100088533490415 0.100087533643487 0.10008953335515 10.7003666222756 10.6978784533082 2463374.352531756 0.787461409135451 215.899553834108 47.285700625887 85.7036049145631 298929.493338505 T 11 CATAB v2.0f-lin.ifort 2020-Jan-25 05:42:13 2020-Jan-25 05:42
2034-May-29 10:41 < 00:01 Earth 0.11720946059904 0.117206052047652 0.11721286926739 12.9287965752284 12.9270381612726 2464111.945324887 0.682002360631835 256.649121018449 47.4625239222782 49.6821406590261 258262.357266275 T 11 CATAB v2.0f-lin.ifort 2020-Jan-25 05:42:13 2020-Jan-25 05:42
2036-Jun-03 21:19 < 00:01 Earth 0.18003953551093 0.180034243783639 0.180044827273395 15.493592865134 15.4926376400435 2464848.388053343 0.651775650319333 293.200586189608 50.0338176924274 26.262258367784 224093.444141286 T 11 CATAB v2.0f-lin.ifort 2020-Jan-25 05:42:13 2020-Jan-25 05:42
2038-Jun-09 09:56 < 00:01 Earth 0.256138983574391 0.256132632105215 0.256145335055812 18.0081635201546 18.0075858576019 2465583.913743334 0.659638526788928 329.166597621102 53.8693106211739 16.0321168933398 201007.825383521 T 11 CATAB v2.0f-lin.ifort 2020-Jan-25 05:42:13 2020-Jan-25 05:42
2040-Jun-13 20:51 < 00:01 Earth 0.341210053641543 0.341202966583737 0.34121714070381 20.6386830628705 20.6383046964933 2466319.368793099 0.67312307187002 358.880334977672 58.9499540961508 10.1682516059184 185794.248483424 T 11 CATAB v2.0f-lin.ifort 2020-Jan-25 05:42:13 2020-Jan-25 05:42
2042-Jun-19 03:06 < 00:01 Earth 0.430645500399395 0.43063784370681 0.430653157093571 23.3103292888757 23.3100638610148 2467054.628876430 0.691956560733411 384.110000649221 65.1720612524788 6.37456007116153 180759.670705935 T 11 CATAB v2.0f-lin.ifort 2020-Jan-25 05:42:13 2020-Jan-25 05:42
2146-Dec-31 20:31 00:02 Earth 0.474235662207203 0.47420939882563 0.474261925593331 25.3731285073561 25.3729070724801 2505235.355044068 1.9087195903599 1311.70193021844 22.6386190588414 3.2165344140641 167241.346300447 T 11 CATAB v2.0f-lin.ifort 2020-Jan-25 05:42:13 2020-Jan-25 05:42
2149-Jan-05 03:39 00:02 Earth 0.378309363100006 0.378282694759895 0.37833603144416 22.5150064344739 22.5146936132519 2505970.652222023 1.97942509998235 1331.2738823545 19.6484494819467 2.67448594230181 127085.271723325 T 11 CATAB v2.0f-lin.ifort 2020-Jan-25 05:42:13 2020-Jan-25 05:42
2151-Jan-10 10:16 00:02 Earth 0.285306929892929 0.285280174485631 0.285333685304428 19.7482729435112 19.7478000361053 2506705.928055458 2.07431178289502 1335.3000980774 16.8383263495786 2.37110678780041 98187.058090308 T 11 CATAB v2.0f-lin.ifort 2020-Jan-25 05:42:13 2020-Jan-25 05:42
2153-Jan-14 23:45 00:02 Earth 0.189623961129092 0.189597609170718 0.189650313094676 16.9509010381629 16.9500720716761 2507441.489324273 2.22904894372783 1315.35777756748 13.7343636259117 2.58071104755934 85427.3089678577 T 11 CATAB v2.0f-lin.ifort 2020-Jan-25 05:42:13 2020-Jan-25 05:42
2155-Jan-20 23:09 00:02 Earth 0.10410234063761 0.104077708812826 0.104126972509771 14.376385966453 14.3746055195274 2508177.464929724 2.43753912624718 1233.27389198088 11.3140142443635 5.18567968926804 112876.755627638 T 11 CATAB v2.0f-lin.ifort 2020-Jan-25 05:42:13 2020-Jan-25 05:42
2157-Jan-26 03:04 00:03 Earth 0.0302014767529176 0.0301827040359907 0.0302202513986551 12.1696228695605 12.162371225635 2508913.627550857 2.60537006849248 1010.62471565921 9.13323256484297 22.1446555082629 173984.810974171 T 11 CATAB v2.0f-lin.ifort 2020-Jan-25 05:42:13 2020-Jan-25 05:42
2159-Jan-30 23:55 < 00:01 Earth 0.0199960533267604 0.0199957667273599 0.0199963399261599 10.9087157560882 10.8964938821548 2509648.496342356 0.0376809117743968 14.2925917464579 8.46117342752436 -1.98724146966109 195105.253084355 T 11 CATAB v2.0f-lin.ifort 2020-Jan-25 05:42:13 2020-Jan-25 05:42
2161-Feb-10 21:55 00:06 Earth 0.0861455957776142 0.0861284948168659 0.0861626968424932 9.20176118722172 9.19839926498777 2510390.413201276 6.09070259593916 865.749329136058 19.1412583006418 9.90009904664364 123132.681753272 T 11 CATAB v2.0f-lin.ifort 2020-Jan-25 05:42:13 2020-Jan-25 05:42
2163-Mar-03 16:24 00:15 Earth 0.140969173297055 0.140950519750974 0.140987827486979 8.92639608315976 8.92427838738849 2511141.183323904 15.2234924558441 1044.7122867073 40.1555344189771 27.1078556772938 207587.385435576 T 11 CATAB v2.0f-lin.ifort 2020-Jan-25 05:42:13 2020-Jan-25 05:42
2165-Mar-25 21:22 00:21 Earth 0.167200647829883 0.167195076614059 0.167206219383849 9.2440405892232 9.24231652651451 2511894.390105854 20.8278273954299 472.545967090789 53.9094724340073 54.5099094047358 317682.508448133 T 11 CATAB v2.0f-lin.ifort 2020-Jan-25 05:42:13 2020-Jan-25 05:42
2167-Apr-18 02:43 00:30 Earth 0.161043083383979 0.161024510146046 0.161061660112433 8.77462758577693 8.77274181780028 2512647.613191095 30.3685771106731 1503.36595518724 49.8855814505909 -52.0181846570173 321728.517097507 T 11 CATAB v2.0f-lin.ifort 2020-Jan-25 05:42:13 2020-Jan-25 05:42
2169-May-11 06:52 00:31 Earth 0.127267345252729 0.127220361656346 0.127314359612485 8.77345440062556 8.77106777762 2513401.786253984 30.5481085179578 3903.29486560584 52.2749470727192 -53.0971010319563 333615.308295861 T 11 CATAB v2.0f-lin.ifort 2020-Jan-25 05:42:13 2020-Jan-25 05:42
2171-May-25 14:26 00:16 Earth 0.0959288773422411 0.095920118179916 0.0959377481050745 10.8287889155556 10.8262236368821 2514146.101446489 16.3702128561577 5212.6072033513 50.1199920608038 -85.1870312186571 292324.39235734 T 11 CATAB v2.0f-lin.ifort 2020-Jan-25 05:42:13 2020-Jan-25 05:42
2173-Jun-01 17:49 00:13 Earth 0.123723601276748 0.123640821752781 0.123806464804747 13.3980116946912 13.3964042149607 2514884.242431152 13.4661925182689 6550.37676193527 48.4971510232298 50.9201274072959 275845.399813928 T 11 CATAB v2.0f-lin.ifort 2020-Jan-25 05:42:13 2020-Jan-25 05:42
2175-Jun-08 06:03 00:13 Earth 0.195637968798527 0.195502922606187 0.195773044019011 16.1067443764727 16.1058987806173 2515620.752198195 13.0891752756076 7712.47531803359 48.5632178921354 29.16626834265 263970.696114552 T 11 CATAB v2.0f-lin.ifort 2020-Jan-25 05:42:13 2020-Jan-25 05:42
2177-Jun-13 12:12 00:13 Earth 0.284608227184343 0.284444620986096 0.28477184436241 18.980968594279 18.9804753612186 2516357.008011227 13.2880097282129 8621.75497616574 50.3443282907148 18.8686604959069 244212.560209254 T 11 CATAB v2.0f-lin.ifort 2020-Jan-25 05:42:13 2020-Jan-25 05:42
2179-Jun-19 00:36 00:14 Earth 0.37799612785722 0.37781361924718 0.378178641391062 21.7850713247972 21.7847477540552 2517092.525069365 13.7701380334178 9351.90274107947 54.225334940302 13.3035415034556 215441.941255464 T 11 CATAB v2.0f-lin.ifort 2020-Jan-25 05:42:13 2020-Jan-25 05:42
2181-Jun-23 11:10 00:14 Earth 0.471482852593854 0.471285119794295 0.471680587793951 24.5868847567677 24.5866549065187 2517827.964992216 14.4682991124101 10001.89684163 59.511951270424 9.65974715578047 180368.15315786 T 11 CATAB v2.0f-lin.ifort 2020-Jan-25 05:42:13 2020-Jan-25 05:42
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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