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169P/NEAT
Classification: Jupiter-family Comet [NEO]          SPK-ID: 1001656
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 2454405.5 (2007-Nov-01.0) TDB
Reference: JPL 124 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7668594528813818 1.5475e-08  
a 2.604330237990576 1.0617e-08 au
q .6071749765626839 3.839e-08 au
i 11.30248657910837 5.7236e-06 deg
node 176.2132135046318 3.1326e-05 deg
peri 217.9787791565537 3.1506e-05 deg
M 181.654687157076 1.0615e-06 deg
tp 2455166.004356459450
(2009-Nov-30.50435646)
8.1869e-06 TDB
period 1535.120626167129
4.20
9.3874e-06
2.57e-08
d
yr
n .234509258662522 1.434e-09 deg/d
Q 4.601485499418468 1.8759e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1213  
   data-arc span      11390 days (31.18 yr)  
   first obs. used      1989-03-07  
   last obs. used      2020-05-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55473  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-26 12:44:58  

Additional Information
 Earth MOID = .142371 au 
 Jupiter MOID = .975032 au 
 T_jup = 2.888 
[ 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
comet total magnitude M1 16.5   1. 124 2 parameter fit from 300 observations, autocmod 2.8
comet total magnitude slope K1 5.5   n/a 124 autocmod 2.8
rotation period rot_per 8.369 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Warner, B.D. (2006) Minor Planet Bull. 33, 35-39.]

[ 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
1911-Jan-17 15:54 < 00:01 Jupiter 1.26339671914922 1.2633934484096 1.26339998988919 7.75412610222781 7.66717719518839 2419054.162820675 0.423873308720495 168.961086623137 89.0597157788046 -20.9954395533938 828017.586413042 T 124 CATAB v2.0f-lin.ifort 2020-May-26 12:45:12 2020-May-26 12:45
1913-Jul-24 17:03 00:02 Venus 0.086426651741088 0.0864239763452946 0.0864293287879855 19.2383406922592 19.2370346164426 2419973.210208187 2.36035380104307 611.580229123481 8.24114116877287 77.41878338381 1563182.98359724 T 124 CATAB v2.0f-lin.ifort 2020-May-26 12:45:12 2020-May-26 12:45
1917-Sep-30 20:09 00:02 Earth 0.369795552480734 0.369792689459472 0.369798415590176 21.0838643125912 21.083522566166 2421502.339644444 2.07827956819617 318.79494443542 6.2412469851175 63.4174567230386 6924431.25624613 T 124 CATAB v2.0f-lin.ifort 2020-May-26 12:45:12 2020-May-26 12:45
1922-Jan-29 22:44 < 00:01 Earth 0.292281702447187 0.292272188496996 0.292291216653703 28.6871197253021 28.6868019455749 2423084.446949051 0.899711372890759 641.458251022334 9.98617493701422 42.3087286967927 2856748.86304444 T 124 CATAB v2.0f-lin.ifort 2020-May-26 12:45:12 2020-May-26 12:45
1934-Aug-02 02:05 00:03 Venus 0.141122456155876 0.141121115046517 0.14112379796362 18.4281218848306 18.427286855784 2427651.586694689 2.49494702139547 506.044335773474 10.7688664361916 82.5022640090946 1929191.81325494 T 124 CATAB v2.0f-lin.ifort 2020-May-26 12:45:12 2020-May-26 12:45
1938-Sep-07 10:10 00:02 Earth 0.292375179077104 0.292370197558643 0.29238016073477 18.3595466198433 18.3590502381289 2429148.923738773 2.10551246762342 403.720235483457 6.72167227619607 52.0367366504623 4944211.55798534 T 124 CATAB v2.0f-lin.ifort 2020-May-26 12:45:12 2020-May-26 12:45
1943-Jan-30 06:57 < 00:01 Earth 0.307940692256307 0.307932607893282 0.307948776764006 29.0201885469184 29.0198903883625 2430754.789299246 0.731657467451233 522.850221642267 10.0602246623095 39.56203032854 2822332.80489974 T 124 CATAB v2.0f-lin.ifort 2020-May-26 12:45:12 2020-May-26 12:45
1958-Apr-13 00:03 < 00:01 Jupiter 1.94344053889719 1.94343805259705 1.94344302519734 9.48162862858981 9.43555023575668 2436306.502024591 0.243913882619669 124.490648807159 88.873416893363 -12.3726465835214 1406612.87759728 T 124 CATAB v2.0f-lin.ifort 2020-May-26 12:45:12 2020-May-26 12:45
1959-Sep-02 08:04 00:01 Earth 0.291022324713143 0.291018683393765 0.291025966098809 18.3566864809754 18.3561877140337 2436813.836180052 1.4047699608336 284.613635947971 6.58244159553622 50.3771904717884 4969192.72760566 T 124 CATAB v2.0f-lin.ifort 2020-May-26 12:45:12 2020-May-26 12:45
1959-Sep-21 10:26 00:02 Venus 0.11064796667664 0.110645449570153 0.110650484067253 18.9192131547602 18.9181757831832 2436832.934704576 1.50790709216958 306.918426554712 7.28910016854787 65.8949044400923 2075586.77377105 T 124 CATAB v2.0f-lin.ifort 2020-May-26 12:45:12 2020-May-26 12:45
1964-Jan-13 14:06 < 00:01 Earth 0.213908494946751 0.213905733576153 0.213911256448182 19.3587148869575 19.3580714366411 2438408.087702265 0.656106924064634 298.159791316237 9.71708848356349 -62.5512910143052 3027135.70365568 T 124 CATAB v2.0f-lin.ifort 2020-May-26 12:45:12 2020-May-26 12:45
1970-Apr-27 21:59 < 00:01 Jupiter 1.04238694790757 1.04238571719309 1.04238817862329 6.28758970015519 6.15699803119641 2440704.415640340 0.292974763589441 94.5122518820961 34.5646151645437 55.1522232365057 2620951.41415592 T 124 CATAB v2.0f-lin.ifort 2020-May-26 12:45:12 2020-May-26 12:45
1982-Mar-23 23:12 < 00:01 Jupiter 1.20401277401678 1.20401160701802 1.20401394101583 7.45690314033271 7.36195661670243 2445052.466795675 0.211264284063325 90.5897520994372 52.1100969895161 70.7380186912001 2254499.58324717 T 124 CATAB v2.0f-lin.ifort 2020-May-26 12:45:12 2020-May-26 12:45
1984-Aug-30 16:56 < 00:01 Earth 0.277297231413126 0.277295846228902 0.277298616604097 17.8131299073459 17.8125904797454 2445943.205762173 0.508527843417561 97.3171623802406 7.06155736926938 44.9338904027502 4059291.60164094 T 124 CATAB v2.0f-lin.ifort 2020-May-26 12:45:12 2020-May-26 12:45
1989-Jan-19 18:48 < 00:01 Earth 0.165500388917875 0.165500231112406 0.165500546723343 22.1917691867319 22.1910437016103 2447546.283046468 0.171620395849764 111.639809026223 7.8688140060547 -89.9642688292239 3127547.45863008 T 124 CATAB v2.0f-lin.ifort 2020-May-26 12:45:12 2020-May-26 12:45
1997-May-05 01:52 < 00:01 Venus 0.138947152889245 0.138946930410869 0.138947375367621 17.9610967068553 17.9602265511694 2450573.577810871 0.248360947945298 53.6516399665295 11.0937070841386 -89.8958667956934 1879106.73992007 T 124 CATAB v2.0f-lin.ifort 2020-May-26 12:45:12 2020-May-26 12:45
2005-Aug-07 00:29 < 00:01 Earth 0.147491987651739 0.147491826687915 0.147492148615563 21.254304471841 21.2534544976972 2453589.519896911 0.0276417477752076 8.15677724214531 5.55034737356462 14.050490763171 2828258.49398584 T 124 CATAB v2.0f-lin.ifort 2020-May-26 12:45:12 2020-May-26 12:45
2010-Jan-12 02:35 < 00:01 Earth 0.194351943735642 0.194351711508753 0.194352175962586 18.9178422865624 18.9171175833501 2455208.607442556 0.0487029349006897 14.0097365583807 8.66476046455315 -45.7413658776199 2938127.48277548 T 124 CATAB v2.0f-lin.ifort 2020-May-26 12:45:12 2020-May-26 12:45
2022-Jul-13 17:38 < 00:01 Venus 0.139497961684844 0.139497685765 0.139498237612284 18.0147626584529 18.0138985207475 2459774.234959294 0.431515837401467 60.8972693843407 6.88559443551455 78.6455501697057 2851353.72061054 T 124 CATAB v2.0f-lin.ifort 2020-May-26 12:45:12 2020-May-26 12:45
2026-Aug-11 19:33 < 00:01 Earth 0.167166520822113 0.167165407902478 0.167167633765665 19.8970244867917 19.8962233924551 2461264.314420220 0.288177661574188 114.888947917437 7.35192845768739 61.3280160160897 3050980.44659651 T 124 CATAB v2.0f-lin.ifort 2020-May-26 12:45:12 2020-May-26 12:45
2029-Jun-24 04:28 < 00:01 Jupiter 1.99217417259264 1.99217321047753 1.99217513470786 9.72268415449382 9.67885516508075 2462311.686202726 0.257576466340712 87.3811625817957 43.4051774242106 74.6491153721904 4440856.77021749 T 124 CATAB v2.0f-lin.ifort 2020-May-26 12:45:12 2020-May-26 12:45
2031-Jan-13 05:11 < 00:01 Earth 0.203140956616412 0.203139307734888 0.203142605515522 18.7175183611541 18.716817592406 2462879.715976167 0.325097940693711 125.36939075034 7.71063247359214 -49.1391788014605 3137897.72321546 T 124 CATAB v2.0f-lin.ifort 2020-May-26 12:45:12 2020-May-26 12:45
2041-Jul-13 12:55 < 00:01 Jupiter 1.06486460596247 1.06486352879561 1.06486568313061 6.3269260071957 6.19993047077348 2466714.037870577 0.28397820342407 95.1512673691182 35.694640980395 62.9533501044877 3466776.84785601 T 124 CATAB v2.0f-lin.ifort 2020-May-26 12:45:12 2020-May-26 12:45
2051-Aug-20 08:25 00:01 Earth 0.246100040719228 0.246095917185894 0.246104164304882 18.0570765803233 18.0564769819556 2470403.850499316 1.06167038893451 272.667593072297 7.67448810459535 41.0699197965602 3251576.67049924 T 124 CATAB v2.0f-lin.ifort 2020-May-26 12:45:12 2020-May-26 12:45
2053-Jun-02 17:31 < 00:01 Jupiter 1.18105658880098 1.18105526320187 1.18105791440096 7.28963720560138 7.19058158575019 2471056.230053524 0.263111949896228 93.8697901936858 41.0095884678609 53.1839374716431 2040568.41602445 T 124 CATAB v2.0f-lin.ifort 2020-May-26 12:45:12 2020-May-26 12:45
2056-Jan-15 11:44 < 00:01 Earth 0.172934311114665 0.172930234215524 0.172938388145903 19.254295995565 19.2534957697278 2472012.988996681 0.697014817471044 313.390801439847 7.36347505297859 -49.5719076547853 2789858.2297428 T 124 CATAB v2.0f-lin.ifort 2020-May-26 12:45:12 2020-May-26 12:45
2072-Jul-24 13:11 < 00:01 Earth 0.194791228115546 0.194784449542278 0.194798006822029 26.8669498129734 26.8664406829456 2478048.048972845 0.686045783176219 422.877773477158 8.26129056870647 -36.9417804502597 2070706.75901759 T 124 CATAB v2.0f-lin.ifort 2020-May-26 12:45:12 2020-May-26 12:45
2076-Dec-08 19:11 00:02 Earth 0.345436190732198 0.345432422557809 0.345439958923985 17.1939915609943 17.193542946318 2479646.299249956 1.94054174764915 224.252587075981 9.23941116399553 -33.1163358361782 2549934.51718123 T 124 CATAB v2.0f-lin.ifort 2020-May-26 12:45:12 2020-May-26 12:45
2085-Apr-28 17:30 00:02 Venus 0.132258557752367 0.132257658692607 0.132259457168294 17.6006934208303 17.5997605384415 2482709.229263811 1.8784546512024 353.8739747289 9.95690052194374 -82.8990337633685 2007686.39612597 T 124 CATAB v2.0f-lin.ifort 2020-May-26 12:45:12 2020-May-26 12:45
2093-Jul-23 13:26 < 00:01 Earth 0.210661963108969 0.210655223998941 0.210668702316531 27.486327548191 27.4858673836526 2485717.059917055 0.644233856778784 405.038258580804 8.36559602802314 -33.942467186563 2052963.99055686 T 124 CATAB v2.0f-lin.ifort 2020-May-26 12:45:12 2020-May-26 12:45
2097-Dec-08 16:39 00:02 Earth 0.34706297640339 0.347059589854009 0.347066362966797 17.2540009272259 17.2535559683722 2487316.193795439 1.7715667266767 201.616919091345 9.22356547508723 -33.1568058230741 2570243.63645238 T 124 CATAB v2.0f-lin.ifort 2020-May-26 12:45:12 2020-May-26 12:45
2112-Sep-30 04:25 < 00:01 Jupiter 1.10926656845063 1.10926549792005 1.10926763898177 6.4531831719241 6.33375064832578 2492724.684057884 0.273849704228359 95.4407986559354 45.2867055269422 70.6718829944259 2689560.15973319 T 124 CATAB v2.0f-lin.ifort 2020-May-26 12:45:12 2020-May-26 12:45
2118-Aug-21 07:13 < 00:01 Earth 0.24812848145702 0.248124642423508 0.248132320515554 17.6484475615012 17.6478390949391 2494875.801020120 0.917578836203339 228.29441411203 8.95238974408895 33.0393384013229 2373488.50665477 T 124 CATAB v2.0f-lin.ifort 2020-May-26 12:45:12 2020-May-26 12:45
2122-Dec-02 22:10 < 00:01 Earth 0.394399487917928 0.394398133265956 0.394400842572523 19.5275639111478 19.5272179464437 2496440.423583360 0.817053630897983 84.757312548504 8.15240632796233 -37.3624407740121 3543438.08623611 T 124 CATAB v2.0f-lin.ifort 2020-May-26 12:45:12 2020-May-26 12:45
2124-Aug-14 22:50 < 00:01 Jupiter 1.12685245482522 1.12685122718309 1.12685368246882 6.94618002215726 6.83711010133108 2497061.451286374 0.271253224473538 94.5297845747275 25.379250969689 52.8300258648892 3303875.47651862 T 124 CATAB v2.0f-lin.ifort 2020-May-26 12:45:12 2020-May-26 12:45
2127-Jan-01 03:35 < 00:01 Venus 0.056138440751498 0.0561361409767404 0.0561407407151496 22.059046026043 22.0572923913215 2497930.649518021 0.422888176496009 199.39969731798 10.8144931707144 -55.0112292279517 631168.418653225 T 124 CATAB v2.0f-lin.ifort 2020-May-26 12:45:12 2020-May-26 12:45
2143-Oct-02 09:04 < 00:01 Earth 0.375177950273955 0.375177302842289 0.375178597706666 19.9119574573604 19.9116007886724 2504048.877795422 0.337879330049207 45.349996345125 6.8883862004982 45.279233562165 4628953.1804441 T 124 CATAB v2.0f-lin.ifort 2020-May-26 12:45:12 2020-May-26 12:45
2147-Dec-05 00:15 < 00:01 Venus 0.0413920035061106 0.0413915397424846 0.0413924673176973 20.5647812998686 20.5622300362132 2505573.510231653 0.198797945481881 83.6884081844357 11.2547954475579 -75.9002049470714 534428.782739773 T 124 CATAB v2.0f-lin.ifort 2020-May-26 12:45:12 2020-May-26 12:45
2148-Feb-06 10:41 < 00:01 Earth 0.275603540276408 0.27560238716379 0.275604693389966 30.1865116826412 30.1861914121401 2505636.945145816 0.106226175692937 62.9858122434115 9.86019909409569 24.408804461384 1777201.37542974 T 124 CATAB v2.0f-lin.ifort 2020-May-26 12:45:12 2020-May-26 12:45
2164-Sep-09 23:10 00:01 Earth 0.307624482691762 0.307621717524444 0.307627247866984 17.2683928327165 17.2678912462061 2511697.465388884 1.01996433083229 158.381779506788 8.94638324488581 29.525245745304 2232804.37767409 T 124 CATAB v2.0f-lin.ifort 2020-May-26 12:45:12 2020-May-26 12:45
2169-Jan-06 23:52 < 00:01 Venus 0.116281361270457 0.116281207572649 0.116281514974478 19.1407476338574 19.1397719457528 2513277.494646501 0.880336616884227 269.660924359821 7.56905244653269 89.7454260518159 2294827.35514756 T 124 CATAB v2.0f-lin.ifort 2020-May-26 12:45:12 2020-May-26 12:45
2169-Jan-30 20:48 < 00:01 Earth 0.172541614638673 0.17253739392115 0.172545835409119 26.669073495134 26.6684944461746 2513301.366490003 0.400835657432426 258.960172938396 10.1977422751147 35.6666499270376 1451649.64403077 T 124 CATAB v2.0f-lin.ifort 2020-May-26 12:45:12 2020-May-26 12:45
2183-Dec-15 18:59 < 00:01 Jupiter 1.22266586640874 1.22266416464325 1.22266756817445 6.87152001732774 6.7699522470852 2518733.291013113 0.328588370537161 106.830119083541 77.5692000572387 -64.4030849408718 1674933.47022565 T 124 CATAB v2.0f-lin.ifort 2020-May-26 12:45:12 2020-May-26 12:45
2185-Jul-26 11:50 < 00:01 Earth 0.118950062893175 0.118943491500727 0.118956634599797 25.8582874732372 25.8574211994043 2519321.993228027 0.728049937856269 447.684451630202 11.0469029232462 -42.9642412195344 1085512.95201074 T 124 CATAB v2.0f-lin.ifort 2020-May-26 12:45:12 2020-May-26 12:45
2189-Oct-11 17:35 00:02 Venus 0.100758399261983 0.100751048592563 0.100765750166281 18.3691908372014 18.3680175305559 2520860.232964338 2.00680667610313 439.615874831575 10.6421783214808 33.5181187413768 800360.845546194 T 124 CATAB v2.0f-lin.ifort 2020-May-26 12:45:12 2020-May-26 12:45
2189-Oct-26 14:05 00:01 Earth 0.441113850697083 0.441113373715743 0.441114327691512 23.2550947810108 23.254835036742 2520875.087138460 1.44123789586222 123.925338146648 4.13853846853913 79.0992748798864 13897743.375694 T 124 CATAB v2.0f-lin.ifort 2020-May-26 12:45:12 2020-May-26 12:45
2194-Jan-30 20:10 < 00:01 Earth 0.101200201499753 0.101194713064598 0.101205690456171 25.1862780026187 25.1852326182551 2522432.339943024 0.711342234976234 454.224142111004 11.4313946441962 52.9710292356701 1049307.03557582 T 124 CATAB v2.0f-lin.ifort 2020-May-26 12:45:12 2020-May-26 12:45
2195-Oct-26 05:34 < 00:01 Jupiter 1.0508595673532 1.05085830944385 1.05086082526387 6.47616821811564 6.35048803286558 2523065.731837312 0.290157063332109 93.4935207808791 30.1510290133008 52.49938065829 2083442.17863774 T 124 CATAB v2.0f-lin.ifort 2020-May-26 12:45:12 2020-May-26 12:45

Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2001.5   169P/2002 EX12       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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