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(2018 KM2)
Classification: Apollo [NEO]          SPK-ID: 3825024
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3635525538895165 4.6298e-07  
a 1.530952255800923 2.1208e-08 au
q .9743706533215812 7.2149e-07 au
i 14.02723903922181 1.2351e-05 deg
node 99.74902069759048 2.1334e-05 deg
peri 267.2676157544867 5.1573e-05 deg
M 300.9729208154139 1.1209e-05 deg
tp 2459113.946131310415
(2020-Sep-21.44613131)
2.2249e-05 TDB
period 691.8961235407735
1.89
1.4377e-05
3.936e-08
d
yr
n .520309317759583 1.0812e-08 deg/d
Q 2.087533858280266 2.8918e-08 au
  Orbit Determination Parameters
   # obs. used (total)      99  
   data-arc span      6774 days (18.55 yr)  
   first obs. used      2002-01-08  
   last obs. used      2020-07-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41083  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jul-27 06:29:55  

Additional Information
 Earth MOID = .160606 au 
 Jupiter MOID = 3.45452 au 
 T_jup = 4.379 
[ 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 20.4   n/a E2018N64  

[ 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
1912-Jul-24 09:12 00:06 Earth 0.336595167518258 0.336563462710736 0.336626878079273 6.98924031181384 6.98810762537817 2419607.883387792 5.7888616340813 2704.90540070653 9.67769464343751 -54.2320276991757 1926855.53333356 T 21 CATAB v2.0f-lin.ifort 2020-Jul-27 06:30:10 2020-Jul-27 06:30
1912-Nov-23 22:51 00:02 Earth 0.205817857746401 0.205807888132116 0.205827832791636 11.3827165190332 11.381579140358 2419730.451742906 1.94519252962603 1744.01942747653 35.8648457477478 73.4793694895071 808714.407307006 T 21 CATAB v2.0f-lin.ifort 2020-Jul-27 06:30:10 2020-Jul-27 06:30
1914-Jul-17 09:11 00:02 Earth 0.400154392500193 0.400119072434232 0.400189712982271 19.2203548298244 19.2200083904216 2420330.882540594 2.107902609206 1875.16833511272 27.0288974340625 20.076897783733 677888.73918365 T 21 CATAB v2.0f-lin.ifort 2020-Jul-27 06:30:10 2020-Jul-27 06:30
1929-Dec-04 13:36 00:02 Earth 0.413900764640001 0.413875783181017 0.41392574674945 19.1631917695204 19.1628558369685 2425950.066449624 2.32928896875748 1490.77562789194 50.1032457275678 33.3418490839887 623826.238772072 T 21 CATAB v2.0f-lin.ifort 2020-Jul-27 06:30:10 2020-Jul-27 06:30
1931-Jul-29 09:52 00:02 Earth 0.175360158473653 0.175344598041208 0.175375723504429 11.8823209131684 11.8810421105391 2426551.911057795 1.59252078538828 1615.50472844823 26.1053004663564 61.308295730773 797894.468576355 T 21 CATAB v2.0f-lin.ifort 2020-Jul-27 06:30:10 2020-Jul-27 06:30
1931-Dec-08 00:24 00:03 Earth 0.360371379766873 0.360350951631698 0.360391810323713 7.58193132169091 7.580956084736 2426683.516951198 3.46112408512729 1791.77908792302 33.2721819884033 -55.3682595740863 1012614.60623156 T 21 CATAB v2.0f-lin.ifort 2020-Jul-27 06:30:10 2020-Jul-27 06:30
1948-Aug-02 00:45 00:01 Earth 0.25036481929394 0.250344593010465 0.25038504655904 7.14718468667647 7.14569549947007 2432765.531477102 1.26724803829525 1276.19582463225 13.0408364235872 -37.7753941643282 1354414.32546663 T 21 CATAB v2.0f-lin.ifort 2020-Jul-27 06:30:10 2020-Jul-27 06:30
1948-Nov-22 04:24 < 00:01 Earth 0.198024330477575 0.198018057965555 0.198030605609956 8.99461885094514 8.99312279733153 2432877.683293573 0.738848378485283 1183.16045460538 29.3860367186963 -74.7235553675482 926265.207501255 T 21 CATAB v2.0f-lin.ifort 2020-Jul-27 06:30:10 2020-Jul-27 06:30
1950-Jul-13 02:27 00:01 Earth 0.498901651184578 0.498876997697895 0.49892630475838 22.0280659026426 22.0278234519449 2433475.602177350 1.38009493460531 1272.59715400351 27.3084443890366 14.9823340502554 638182.635972375 T 21 CATAB v2.0f-lin.ifort 2020-Jul-27 06:30:10 2020-Jul-27 06:30
1965-Jul-06 17:35 00:03 Earth 0.475881109543337 0.475864629750411 0.47589759004334 7.85616322780918 7.85545050100256 2438948.232841210 2.76924904201401 1229.77266998877 12.3468418837558 -48.0753547224657 1609442.13736345 T 21 CATAB v2.0f-lin.ifort 2020-Jul-27 06:30:10 2020-Jul-27 06:30
1965-Nov-30 16:47 00:02 Earth 0.318838788332844 0.318825308522464 0.318852268666315 16.1494428602517 16.1489253837653 2439095.199427500 1.62816963948582 932.057996401276 48.3413743088246 43.9239786016858 639340.824021129 T 21 CATAB v2.0f-lin.ifort 2020-Jul-27 06:30:10 2020-Jul-27 06:30
1967-Jul-25 11:36 00:01 Earth 0.245460620848933 0.245443110074817 0.245478132320285 14.5447572696449 14.5440109322657 2439696.983151954 1.07405675093101 1090.17765374124 26.8429611744348 36.7931029655652 736357.474190743 T 21 CATAB v2.0f-lin.ifort 2020-Jul-27 06:30:10 2020-Jul-27 06:30
1967-Dec-17 11:14 00:02 Earth 0.437512371107567 0.437500954443169 0.437523787855652 8.207402012343 8.20665995759878 2439841.968173962 1.74357275665367 645.023049132225 56.6343733159959 -28.1688176765622 447161.350435802 T 21 CATAB v2.0f-lin.ifort 2020-Jul-27 06:30:10 2020-Jul-27 06:30
1984-Aug-02 22:35 < 00:01 Earth 0.185923701547005 0.185917100587849 0.18593030316864 8.31839159520195 8.31666860337074 2445915.440953423 0.348551910910706 645.136687117431 23.0205306714119 -59.3717820071326 881134.14817612 T 21 CATAB v2.0f-lin.ifort 2020-Jul-27 06:30:10 2020-Jul-27 06:30
1984-Nov-23 20:18 < 00:01 Earth 0.239280544383401 0.239274215519928 0.239286873949704 7.56406470800672 7.56259242262068 2446028.345829161 0.374931543256001 720.897247163949 20.7802553278333 -64.0794244841678 1174947.47808031 T 21 CATAB v2.0f-lin.ifort 2020-Jul-27 06:30:10 2020-Jul-27 06:30
2001-Jul-17 15:55 < 00:01 Earth 0.391397377919486 0.391391558949757 0.391403197052585 7.2858328084645 7.2848983863798 2452108.163274237 0.874594898320393 493.244732587129 6.00660324682914 -53.973075051826 1515107.26845064 T 21 CATAB v2.0f-lin.ifort 2020-Jul-27 06:30:10 2020-Jul-27 06:30
2001-Nov-27 01:25 < 00:01 Earth 0.235573637776195 0.235572061764028 0.23557521379258 13.1285706681718 13.1277091142326 2452240.559326775 0.748801507962027 171.532349161667 74.3001716575313 80.469352711685 488533.116057009 T 21 CATAB v2.0f-lin.ifort 2020-Jul-27 06:30:10 2020-Jul-27 06:30
2003-Jul-21 01:40 < 00:01 Earth 0.341788772577696 0.341782578787833 0.34179496638386 17.4825796957241 17.4821337781525 2452841.569734955 0.205042722846376 330.70352590042 27.8326390042457 21.0219941167946 627286.742693944 T 21 CATAB v2.0f-lin.ifort 2020-Jul-27 06:30:10 2020-Jul-27 06:30
2018-Dec-07 23:13 < 00:01 Earth 0.466780595565563 0.466775219813074 0.466785971318742 20.8460470698004 20.8457732412664 2458460.467105710 0.456658209172107 269.573007278378 27.7176969042464 -6.09523025483256 349712.078044545 T 21 CATAB v2.0f-lin.ifort 2020-Jul-27 06:30:10 2020-Jul-27 06:30
2020-Jul-31 07:38 < 00:01 Earth 0.161335762113274 0.161334838794854 0.161336685432152 10.5120793965699 10.5105082180383 2459061.818290988 0.179516686041373 48.4228458992863 19.6244802624389 -19.7571762180647 890786.385134687 T 21 CATAB v2.0f-lin.ifort 2020-Jul-27 06:30:10 2020-Jul-27 06:30
2020-Dec-02 04:02 < 00:01 Earth 0.316031541233264 0.316027788202903 0.316035294670678 7.30148341464159 7.3003286189106 2459185.668322016 0.903234656058377 597.684735536984 15.6760043549169 -71.8126423056045 1289952.86001634 T 21 CATAB v2.0f-lin.ifort 2020-Jul-27 06:30:10 2020-Jul-27 06:30
2037-Jul-29 22:53 00:01 Earth 0.296299398462972 0.296293483362752 0.296305313683601 6.93056752747335 6.92926988979641 2465269.453779615 1.21971344386878 419.403393515942 12.8595360549764 -45.3351248313632 2116809.37472368 T 21 CATAB v2.0f-lin.ifort 2020-Jul-27 06:30:10 2020-Jul-27 06:30
2037-Nov-24 00:04 < 00:01 Earth 0.191023975264009 0.191021394119686 0.191026557157794 10.2184896313865 10.2171245241162 2465386.503123609 0.244035664169787 620.674350843043 23.8185766746566 78.2357978329488 950437.906016469 T 21 CATAB v2.0f-lin.ifort 2020-Jul-27 06:30:10 2020-Jul-27 06:30
2039-Jul-16 08:12 < 00:01 Earth 0.448640042463074 0.448633134305873 0.448646950638126 20.5708414048315 20.5705526925123 2465985.841570183 0.744031989717589 372.436994892325 26.7877190947374 22.4050334856079 824663.689935055 T 21 CATAB v2.0f-lin.ifort 2020-Jul-27 06:30:10 2020-Jul-27 06:30
2054-Dec-03 10:14 < 00:01 Earth 0.355044841187253 0.355026468323803 0.355063214275672 17.4178774864864 17.417446623398 2471604.926089117 0.455536786249616 1018.98047418194 35.5909698982887 25.9774851610249 597440.418608594 T 21 CATAB v2.0f-lin.ifort 2020-Jul-27 06:30:10 2020-Jul-27 06:30
2056-Jul-27 02:25 00:01 Earth 0.214979799212864 0.214969887657562 0.214989711407624 13.4050644347326 13.4041398200706 2472206.600936075 1.07869085842837 766.231543386763 26.0461911585497 49.8739012804183 820732.078947563 T 21 CATAB v2.0f-lin.ifort 2020-Jul-27 06:30:10 2020-Jul-27 06:30
2056-Dec-13 12:33 00:03 Earth 0.405960848423279 0.405945739079439 0.405975958443065 7.92936526544748 7.92853749017174 2472346.022790968 2.7724454899004 1118.8633771434 37.8295534777159 -47.7093959565107 1032951.24131645 T 21 CATAB v2.0f-lin.ifort 2020-Jul-27 06:30:10 2020-Jul-27 06:30
2073-Aug-03 21:04 < 00:01 Earth 0.210098581109175 0.210084492715514 0.21011267033959 7.74145490113548 7.73981652879341 2478423.378051793 0.256248936757119 964.945586194282 18.3716945017653 -43.2696206137127 921655.743935003 T 21 CATAB v2.0f-lin.ifort 2020-Jul-27 06:30:10 2020-Jul-27 06:30
2073-Nov-23 14:41 < 00:01 Earth 0.216546617677217 0.216534833292731 0.21655840629611 8.02207303076871 8.0205390643043 2478535.112044949 0.99263045787829 1621.06407041886 16.8795383492394 -68.7435247670511 1100789.65524971 T 21 CATAB v2.0f-lin.ifort 2020-Jul-27 06:30:10 2020-Jul-27 06:30
2090-Jul-13 14:30 00:04 Earth 0.428131474070287 0.428109939535585 0.428153010457335 7.52743665373436 7.5266098318872 2484611.104034361 4.15798684639804 1767.94430368835 9.54982290638655 -52.6016940463119 1504022.66961706 T 21 CATAB v2.0f-lin.ifort 2020-Jul-27 06:30:10 2020-Jul-27 06:30
2090-Nov-29 15:23 00:01 Earth 0.26482752507873 0.264801411822121 0.264853640416394 14.4063051974719 14.4056067927756 2484750.141186003 1.10887649450104 1751.33979590769 34.0865884647558 41.9784601643144 715931.357289314 T 21 CATAB v2.0f-lin.ifort 2020-Jul-27 06:30:10 2020-Jul-27 06:30
2092-Jul-23 00:28 00:02 Earth 0.300656635979931 0.300632014000059 0.300681258759768 16.1882588945142 16.1877114390875 2485351.519628872 1.98767421318771 1451.17363081812 26.6091854574795 32.2213610233624 781759.152926784 T 21 CATAB v2.0f-lin.ifort 2020-Jul-27 06:30:10 2020-Jul-27 06:30
2092-Dec-22 13:42 00:04 Earth 0.481525174675107 0.481501626002197 0.481548723619897 8.59186308526231 8.59121903125108 2485504.070533230 4.00353173452231 1305.83332861802 54.147334128622 -25.9721455650458 482511.67418875 T 21 CATAB v2.0f-lin.ifort 2020-Jul-27 06:30:10 2020-Jul-27 06:30
2109-Aug-03 16:40 00:01 Earth 0.166991183422899 0.166983577738029 0.166998794010986 9.37801625874099 9.3763146988721 2491571.194345308 1.23924145997488 1479.42746664992 24.2802017161122 -75.1614492322668 875756.224119955 T 21 CATAB v2.0f-lin.ifort 2020-Jul-27 06:30:10 2020-Jul-27 06:30
2109-Nov-29 07:41 00:04 Earth 0.276460480744748 0.276435058296302 0.276485922143344 7.26406475384375 7.26273785059226 2491688.820112496 4.11349252866795 3826.17124575914 14.1848665198964 -70.6435777087084 1289980.48127097 T 21 CATAB v2.0f-lin.ifort 2020-Jul-27 06:30:10 2020-Jul-27 06:30
2126-Jul-25 10:24 00:06 Earth 0.344722881154499 0.344690980635206 0.344754787356702 7.04322679561083 7.04212929590961 2497770.933433045 6.27976115582477 2720.86742623633 5.96775865884527 -54.2213571642864 1593678.42993095 T 21 CATAB v2.0f-lin.ifort 2020-Jul-27 06:30:10 2020-Jul-27 06:30
2126-Nov-27 11:18 00:01 Earth 0.201502431140326 0.20148374869836 0.201521122389454 11.634490963205 11.6333543678055 2497895.971167902 1.29531651271078 2299.25640806646 31.0958953787719 66.1080884698712 826633.148041774 T 21 CATAB v2.0f-lin.ifort 2020-Jul-27 06:30:10 2020-Jul-27 06:30
2128-Jul-19 19:52 00:03 Earth 0.395556794680994 0.395520347049806 0.395593242926556 18.9930340889514 18.9926794281306 2498496.328111542 2.73098332909021 1976.81008189979 27.1395129306836 23.1646644362821 749482.594461255 T 21 CATAB v2.0f-lin.ifort 2020-Jul-27 06:30:10 2020-Jul-27 06:30
2143-Dec-08 04:24 00:02 Earth 0.41635254739579 0.416304917254383 0.416400178678841 19.3913877258391 19.3910577015257 2504115.683510861 2.24393768925081 2612.22061286245 42.6374026699306 24.6047653819465 555385.294855667 T 21 CATAB v2.0f-lin.ifort 2020-Jul-27 06:30:10 2020-Jul-27 06:30
2145-Jul-31 15:56 00:03 Earth 0.178536523366835 0.178518667424329 0.178554389104603 11.6628376575209 11.6615579672161 2504717.164028375 2.5457931233993 2268.49318448784 26.0034247408838 66.8966831869254 838119.527886742 T 21 CATAB v2.0f-lin.ifort 2020-Jul-27 06:30:10 2020-Jul-27 06:30
2145-Dec-08 23:36 00:07 Earth 0.353448264042118 0.353409780048629 0.353486759576339 7.51895103612423 7.51794836569901 2504847.483391152 7.15062409014336 3718.96736992599 30.185698878878 -58.9356861544226 1097730.39036791 T 21 CATAB v2.0f-lin.ifort 2020-Jul-27 06:30:10 2020-Jul-27 06:30
2162-Aug-04 02:23 00:04 Earth 0.256540255298004 0.256500727438948 0.25657978719022 7.10071584449988 7.09925299570444 2510929.599159223 3.81611804592897 2541.46690362251 12.4077929868246 -39.1312148032045 1229800.4638334 T 21 CATAB v2.0f-lin.ifort 2020-Jul-27 06:30:10 2020-Jul-27 06:30
2162-Nov-25 09:44 < 00:01 Earth 0.190705962889763 0.190694745551558 0.190717198858135 9.12776975570823 9.12623895086875 2511042.905901900 0.449655580060306 3027.6828684114 24.7625508754216 -79.3475216038264 961202.240148804 T 21 CATAB v2.0f-lin.ifort 2020-Jul-27 06:30:10 2020-Jul-27 06:30
2164-Jul-15 07:47 00:04 Earth 0.499517803545841 0.499469099874354 0.499566507680241 21.9723070652592 21.9720642991128 2511640.823999038 3.55888684214404 2544.30533326613 27.6261154104332 17.3444082191698 712690.210146317 T 21 CATAB v2.0f-lin.ifort 2020-Jul-27 06:30:10 2020-Jul-27 06:30
2179-Jul-09 21:21 00:08 Earth 0.470441483855337 0.470396167978235 0.470486805340052 7.87897466302872 7.87825578227802 2517113.389870454 8.16422909400863 3415.78208269238 12.5244350594438 -48.5833654583984 1585926.92444759 T 21 CATAB v2.0f-lin.ifort 2020-Jul-27 06:30:10 2020-Jul-27 06:30
2179-Dec-03 18:05 00:03 Earth 0.30790313836227 0.307844617131341 0.30796166524433 15.99217129107 15.9916301653757 2517260.253626037 3.0914049765255 3583.91329613486 38.7873095764846 35.4880950436565 634000.099016829 T 21 CATAB v2.0f-lin.ifort 2020-Jul-27 06:30:10 2020-Jul-27 06:30
2181-Jul-27 06:00 00:04 Earth 0.255555150592262 0.255505284428069 0.255605023305582 14.6954184333918 14.6947089271084 2517861.749848393 3.97489431899836 3216.6048279931 26.738419392117 39.3717259203308 793408.866309659 T 21 CATAB v2.0f-lin.ifort 2020-Jul-27 06:30:10 2020-Jul-27 06:30
2181-Dec-19 20:32 00:09 Earth 0.442674028483449 0.442624470156279 0.44272358895454 8.21210213238505 8.21136915031006 2518007.355238090 8.5120154254487 2910.0941694295 52.4829613994833 -31.8859173499258 561903.702534852 T 21 CATAB v2.0f-lin.ifort 2020-Jul-27 06:30:10 2020-Jul-27 06:30
2198-Aug-05 10:37 00:01 Earth 0.184866768064559 0.184837131586474 0.184896419740419 8.51408928083588 8.51239627486654 2524079.942340694 1.41742182732702 3028.95019562295 22.9335695545554 -60.7805501565281 880835.781808414 T 21 CATAB v2.0f-lin.ifort 2020-Jul-27 06:30:10 2020-Jul-27 06:30
2198-Nov-27 08:49 00:05 Earth 0.243862259160668 0.24381722087931 0.243907347994586 7.49509095081481 7.49363303281661 2524193.867279920 5.02891998281676 5975.91720525233 15.016788512867 -67.9089402852092 1318642.62542 T 21 CATAB v2.0f-lin.ifort 2020-Jul-27 06:30:10 2020-Jul-27 06:30
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