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(2018 XW2)
Classification: Aten [NEO]          SPK-ID: 3836859
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .301885172347282 0.0005034  
a .9976658613341354 0.00031231 au
q .6964853308402804 0.00028443 au
i 19.73559514538671 0.04124 deg
node 78.15693153952745 0.0018078 deg
peri 249.8819491862679 0.02236 deg
M 279.2443378048525 0.56543 deg
tp 2459478.148192726756
(2021-Sep-20.64819273)
0.61002 TDB
period 363.9788044905454
1.00
0.17091
0.0004679
d
yr
n .9890685819024149 0.00046442 deg/d
Q 1.29884639182799 0.00040659 au
  Orbit Determination Parameters
   # obs. used (total)      42  
   data-arc span      4 days  
   first obs. used      2018-12-10  
   last obs. used      2018-12-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .37969  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 20:55:57  

Additional Information
 Earth MOID = .0195269 au 
 Jupiter MOID = 4.03171 au 
 T_jup = 6.001 
[ 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 25.5   .47383 E2018Y63 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
1928-Mar-06 02:34 1_02:22 Venus 0.0812093028837344 0.0706898932100127 0.124718379638689 11.8224880281926 11.8202260113754 2425311.607030185 1582.31028034228 3132988.78286042 2827.51469049898 -60.5750527515476 4640.44217787945 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 20:55:57 2021-Apr-15 20:56
1939-Mar-31 19:42 08:22 Venus 0.0840407499064668 0.0752870397800831 0.093816982242138 14.0904166388542 14.0885827058965 2429354.320955370 502.436047189736 654097.202005093 5586.5635870255 44.7213364329758 1375.62384424863 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 20:55:57 2021-Apr-15 20:56
1950-Apr-25 12:12 2_13:21 Venus 0.130576907060936 0.0712211079454292 0.209821811528576 16.401131143442 16.4001171335482 2433397.008543470 3680.72599789359 4318107.13431386 402.190133184266 30.5484038303844 14708.7999856152 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 20:55:57 2021-Apr-15 20:56
1961-Apr-21 12:23 5_13:49 Earth 0.483379195115625 0.379516949248754 0.591007402642451 25.299280607479 25.2990627271107 2437411.015709172 8029.11429949698 5686905.84385402 2356.27058571783 -21.4345211451182 9832.07881026247 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 20:55:57 2021-Apr-15 20:56
1962-Apr-23 15:35 5_19:28 Earth 0.450895011705838 0.346248359734936 0.560214841397241 24.3336827355853 24.333439889419 2437778.149352458 8368.47858283402 5806334.44082958 2398.32921083714 -22.5501065403412 9405.45876203355 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 20:55:57 2021-Apr-15 20:56
1963-Apr-25 21:21 6_00:23 Earth 0.418617384316408 0.313650439811533 0.529473662051988 23.3712812742197 23.3710089319169 2438145.389641109 8662.68347697092 5925240.15893877 2431.37528281829 -23.8587708270452 9020.87704980945 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 20:55:57 2021-Apr-15 20:56
1964-Apr-27 01:37 6_05:51 Earth 0.387022894091817 0.282726334079451 0.498819534524512 22.4271342682124 22.4268272918823 2438512.567073357 8990.95389569135 6023441.63592389 2468.25814641371 -25.4268431778115 8668.41312529804 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 20:55:57 2021-Apr-15 20:56
1965-Apr-29 07:44 6_11:57 Earth 0.356097095375018 0.253483666498366 0.468364804646739 21.52079959562 21.5204519081574 2438879.822524885 9356.8084874881 6108260.94274248 2499.38358954542 -27.2537281781525 8340.88112950865 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 20:55:57 2021-Apr-15 20:56
1966-May-01 13:58 6_17:00 Earth 0.325657573502641 0.226227152054879 0.43776264211504 20.607470773421 20.6070737367093 2439247.081641711 9660.37825238852 6179081.36920646 2531.46483465149 -29.5235175694608 8046.4564442914 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 20:55:57 2021-Apr-15 20:56
1967-May-03 22:03 7_00:03 Earth 0.295994690110438 0.201672841863299 0.407067839253734 19.7499296526058 19.7494738593499 2439614.419045070 10082.6950768809 6223325.79050514 2559.31058235863 -32.2038975999958 7767.59143170714 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 20:55:57 2021-Apr-15 20:56
1968-May-05 07:21 7_05:42 Earth 0.267461474165053 0.180773825728656 0.376615707463708 18.8858760062658 18.885348509193 2439981.806485422 10422.4294662531 6252914.62546294 2585.52528282755 -35.542808031321 7516.5579751766 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 20:55:57 2021-Apr-15 20:56
1969-May-07 16:41 7_13:25 Earth 0.24091377663908 0.164736519458134 0.347019166498124 18.0995372694819 18.0989262000201 2440349.195071782 10884.6105864349 6256329.00836004 2610.2169428612 -39.5075502464475 7287.26571895659 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 20:55:57 2021-Apr-15 20:56
1970-May-10 06:04 7_21:13 Earth 0.215486522464478 0.153819023677938 0.3174012936454 17.3029677652905 17.3022531363268 2440716.753063980 11353.3324093491 6261657.45126222 2637.01893364272 -44.5886887401016 7059.74554423438 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 20:55:57 2021-Apr-15 20:56
1971-May-12 19:50 8_06:33 Earth 0.192713432173161 0.149608810901466 0.288512510088298 16.5652333230627 16.5643986550795 2441084.326158706 11912.8691313662 6244633.31924728 2660.05591069484 -50.9343050766534 6867.05158255075 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 20:55:57 2021-Apr-15 20:56
1972-May-14 12:00 8_17:14 Earth 0.173687294594227 0.14821291901582 0.261491028585383 15.8767016617443 15.8757353945431 2441451.999691077 12554.167431052 6228932.79319638 2679.07035349105 -58.6019770378279 6694.73421649832 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 20:55:57 2021-Apr-15 20:55
1973-May-17 03:42 9_03:23 Earth 0.159318875916163 0.147067684404584 0.236387184955265 15.2613697655686 15.2602738749692 2441819.653877473 13163.0601554166 6177388.5979781 2694.38295771843 -67.4304607048907 6546.5523369256 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 20:55:57 2021-Apr-15 20:55
1974-May-19 22:03 9_16:49 Earth 0.14981716034171 0.146095640444742 0.214029245266251 14.7126699974627 14.7114611342991 2442187.418958853 13969.4211457879 6154117.56422115 2704.68513896409 -77.2954876152019 6419.07338385573 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 20:55:57 2021-Apr-15 20:55
1980-Jun-21 05:59 2_03:06 Venus 0.108246198630439 0.0745958961671995 0.251498921957243 10.8712349889105 10.8693894879614 2444411.749273885 3066.27661819119 8066873.73342194 1962.73314451636 -43.5867900362933 10609.0013194127 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 20:55:57 2021-Apr-15 20:55
1991-Jul-17 01:30 5_04:35 Venus 0.074584247132744 0.0735055198680013 0.228578883151209 13.1236584431851 13.121439717405 2448454.562786547 7475.0664824614 10171258.4918026 1480.16611507651 80.382914481611 11109.6468190387 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 20:55:57 2021-Apr-15 20:55
2002-Aug-09 21:46 8_22:03 Venus 0.129314158784211 0.0697757246234803 0.411636953254476 16.3397397440108 16.3387119847698 2452496.406804294 12843.121894749 14801024.475589 1010.66716552025 32.6692749373028 12990.1850803163 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 20:55:57 2021-Apr-15 20:55
2008-Dec-06 15:41 1_06:11 Earth 0.12320546432726 0.0768241248404814 0.381542758849776 11.5967644118712 11.5948994048301 2454807.153198250 1811.40721743653 13833726.0810599 253.723336153081 -38.5806648538473 16754.8778102436 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 20:55:57 2021-Apr-15 20:55
2009-Dec-06 21:05 14:08 Earth 0.0989147126781041 0.0550804876639373 0.335755518968849 11.947778775465 11.9455239897623 2455172.378786726 848.017416275633 12419368.5460389 142.227802765482 -33.843469188643 20230.9581472212 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 20:55:57 2021-Apr-15 20:55
2010-Dec-07 06:20 1_18:07 Earth 0.0764660526397399 0.0386434793306266 0.289942295970116 12.3422670998363 12.3394435307089 2455537.763819513 2526.74265725096 11039313.8139146 88.7009079670076 -30.3623497672368 22346.1606295242 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 20:55:57 2021-Apr-15 20:55
2011-Dec-07 17:44 2_11:21 Earth 0.0557326514847161 0.0280665237606156 0.242662852941037 12.7227840739132 12.7190258327586 2455903.239122936 3561.46084887569 9618709.88104226 86.5569567032425 -30.2472299624005 18637.2739961989 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 20:55:57 2021-Apr-15 20:55
2012-Dec-07 06:47 2_12:32 Earth 0.039031254098844 0.0226570983253718 0.191211289056373 13.0640118129623 13.0587853224177 2456268.782349292 3631.97131461094 7883323.04426249 157.603400636679 -35.4997284288871 12655.7071085243 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 20:55:57 2021-Apr-15 20:55
2013-Dec-07 18:35 2_01:22 Earth 0.0281099954387568 0.0204044248145252 0.134965177002379 13.3455293189742 13.3384248537749 2456634.274332287 2961.71832321905 5689215.21527526 227.494027108032 -46.5650869997969 9470.8831359938 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 20:55:57 2021-Apr-15 20:55
2014-Dec-08 04:11 1_08:26 Earth 0.0232170899375718 0.0196992444929551 0.0849595605887034 13.4862476190765 13.4777352484149 2456999.674080956 1946.3433257238 3509151.05465879 270.005859083402 -58.0797516817798 8193.69335421646 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 20:55:57 2021-Apr-15 20:55
2015-Dec-08 11:43 18:34 Earth 0.0215966443694355 0.0194387336881421 0.0531747179804772 13.5540232076823 13.5449177085445 2457364.988243752 1113.90104624783 1999625.55135065 287.094771438905 -64.2095495338139 7762.9162149448 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 20:55:57 2021-Apr-15 20:55
2016-Dec-07 17:00 10:17 Earth 0.0219897995627227 0.0194727009986946 0.0379834279154082 13.5438764311956 13.5349270787732 2457730.208596418 617.377412590968 1117371.11010637 281.00528716602 -62.3527740068367 7912.93682967412 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 20:55:57 2021-Apr-15 20:55
2017-Dec-07 20:32 04:44 Earth 0.0248664818534749 0.0201985512529228 0.0326020467190337 13.4245838936343 13.4165997867285 2458095.355287777 283.538215947027 539708.75994466 249.371764035084 -52.5294971523591 8734.306115623 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 20:55:57 2021-Apr-15 20:55
2018-Dec-07 21:35 < 00:01 Earth 0.0324505717603634 0.0322653066550139 0.0326358349461228 13.2310730728729 13.2248658574225 2458460.399533308 0.145449465643922 9229.98301420488 205.628811455351 -0.410533196512119 379.906496079336 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 20:55:57 2021-Apr-15 20:55
2019-Dec-07 21:35 03:39 Earth 0.0447839825424546 0.0363305274534899 0.0540478985685438 12.9558742956535 12.9512812590349 2458825.399027084 219.433835780149 534634.892465493 148.70653021 -33.509636748883 13667.5025944836 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 20:55:57 2021-Apr-15 20:56
2020-Dec-06 21:58 05:14 Earth 0.0617244865471704 0.0446244512047192 0.0808276393922228 12.6090240696022 12.6056000805485 2459190.415565118 314.033354237349 1060571.93502582 108.830533089087 -30.1219748558447 17657.5953431073 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 20:55:57 2021-Apr-15 20:56
2021-Dec-06 23:43 03:50 Earth 0.0822292510651138 0.0574960207944114 0.110528283036204 12.2541684216126 12.2515238883039 2459555.487924858 229.522112823485 1576556.47797848 127.481554083772 -31.0269063379662 18949.4821907703 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 20:55:57 2021-Apr-15 20:56
2022-Dec-07 03:28 01:10 Earth 0.105645953289305 0.0748906463679254 0.142519291141648 11.8676276938399 11.8655023242236 2459920.644308802 69.8447051353794 2115183.78385459 216.296514970517 -34.8848420402762 16920.0920389485 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 20:55:57 2021-Apr-15 20:56
2023-Dec-07 13:42 12:03 Earth 0.130753430172898 0.0954513404115334 0.17576294334154 11.5094042324543 11.5076335534778 2460286.070765714 723.253873423793 2687925.26342667 397.864608846764 -39.4073437894895 14279.1410381936 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 20:55:57 2021-Apr-15 20:56
2024-Dec-07 06:14 1_04:58 Earth 0.157052244652724 0.117958475760814 0.209402135555138 11.2035269866586 11.2020125789987 2460651.759788879 1737.53804706926 3238071.18190159 642.530341072632 -42.7893722633406 12511.3270409748 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 20:55:57 2021-Apr-15 20:56
2025-Dec-08 09:11 2_07:26 Earth 0.184248996100348 0.140804979097525 0.242421090097817 10.9281057915169 10.9267823991259 2461017.882971557 3326.37517613165 3647266.8841805 919.989477736685 -43.7434728176307 11233.4156745481 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 20:55:57 2021-Apr-15 20:56
2026-Aug-10 11:45 1_12:39 Venus 0.0853845597835723 0.0680916898047394 0.146472427564193 11.5597632373272 11.5575629368301 2461262.989921796 2199.14089637509 3899228.90555995 1983.42683781759 -52.9226504062568 7465.88989210966 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 20:55:57 2021-Apr-15 20:56
2026-Dec-10 03:03 3_19:04 Earth 0.211915397625399 0.162283232064226 0.273947712859077 10.7503612767219 10.7491916415748 2461384.626898381 5464.44878182528 3792357.79556139 1126.14820982127 -40.9186893867199 10489.5531173121 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 20:55:57 2021-Apr-15 20:56
2027-Dec-12 07:51 5_16:12 Earth 0.238846063664121 0.182215500698195 0.30401174446784 10.6170415290311 10.6159907479514 2461751.827177000 8172.23432260304 3786392.83848529 1172.4069823541 -35.2780236243125 10211.9034524198 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 20:55:57 2021-Apr-15 20:56
2028-Dec-14 08:43 7_17:23 Earth 0.265182297222481 0.202314087570039 0.331718481675439 10.572921591931 10.5719712227684 2462119.863109190 11123.2635757337 3582898.84500741 882.254151765526 -24.9405054627086 10925.920532446 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 20:55:57 2021-Apr-15 20:56
2029-Dec-17 18:55 9_16:38 Earth 0.290991878488198 0.224600105539097 0.358611638279084 10.5445515032165 10.5436831003268 2462488.287969170 13958.3744659793 3471871.74856029 581.681894896937 -15.327878460304 12766.8873445626 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 20:55:57 2021-Apr-15 20:56
2060-Jun-09 12:08 5_01:11 Venus 0.068018999169956 0.0679195931637545 0.208437348786276 12.9784802346434 12.9760201161194 2473620.005334958 7270.74477547913 9678718.76777645 1731.97729767986 87.5045835816511 7817.75430181708 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 20:55:57 2021-Apr-15 20:56
2141-Jan-13 11:37 5_12:06 Venus 0.0860600567692729 0.0690559789143524 0.343024825472271 11.5610630038727 11.5588802209378 2503056.983899704 7925.94377635653 14196675.167632 1993.233381251 -53.4051947470826 7645.11152196271 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 20:55:57 2021-Apr-15 20:56
2161-Dec-13 12:33 3_10:12 Venus 0.0714525174369389 0.0693892165949534 0.17882013912982 12.4211181602348 12.4186711628872 2510696.022975259 4931.50382585475 7375215.18783336 1824.15942765651 -76.3179107663203 7910.88387591224 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 20:55:57 2021-Apr-15 20:56
2182-Nov-10 11:37 3_20:15 Venus 0.109964627527438 0.0677465298108203 0.227610628218018 15.6840902893262 15.6828311492773 2518332.983772893 5534.85070930829 6516863.47391002 1306.54767964812 38.047614637556 9166.76185878944 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 20:55:57 2021-Apr-15 20:56
2195-Oct-14 14:25 2_00:16 Venus 0.0693626497985843 0.0693232970385986 0.109912826783309 12.8731672397704 12.8707350419931 2523054.100485665 2895.62667993462 4211521.64468106 1724.66992301455 -89.3243556607887 8089.94785328318 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 20:55:57 2021-Apr-15 20:56
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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