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4179 Toutatis (1989 AC)
Classification: Apollo [NEO, PHA]          SPK-ID: 2004179
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 498 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6296101756201973 7.8302e-10  
a 2.533899735306762 1.7997e-10 AU
q .9385306779563 1.9235e-09 AU
i .4471200287566686 1.8896e-07 deg
node 124.3647618253029 3.4628e-05 deg
peri 278.7510751311503 3.4432e-05 deg
M 184.1319033839458 2.8256e-08 deg
tp 2457720.225895366388
(2016-Nov-27.72589537)
1.5502e-07 JED
period 1473.270748460738
4.03
1.5696e-07
4.297e-10
d
yr
n .2443542711861518 2.6033e-11 deg/d
Q 4.129268792657223 2.9328e-10 AU
  Orbit Determination Parameters
   # obs. used (total)      5212  
   # delay obs. used      29  
   # Doppler obs. used      28  
   data-arc span      29317 days (80.27 yr)  
   first obs. used      1934-02-10  
   last obs. used      2014-05-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .32569  
   data source      ORB  
   producer      OSOD/JPL  
   solution date      2015-Mar-10 15:01:59  

Additional Information
 Earth MOID = .0060684 AU 
 T_jup = 3.138 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.30 mag n/a PDS3 (MPC 28111)  
magnitude slope G 0.10   n/a PDS3 (MPC 28111) Fit
diameter diameter 5.4 km n/a Hazards due to Comets and Asteroids (1994), Ed. T. Gehrels, pp.540-543 based on assumed medium albedo (0.15)
extent extent 1.70x2.03x4.26 km 0.08 Hudson et al. (2003) Icarus 161:346-355 dynamically equivalent, equal volume ellipsoid
rotation period rot_per 176. h n/a LCDB (Rev. 2015-Feb); Warner et al., 2009 Published Reference List:
[Nakamura, T.; Fuse, T. (1998) Publ. Astron. Soc. Japan 50, 531-536.]
[Pravec, P.; et al. (2005) Icarus 173, 108-131.]
SMASSII spectral type spec_B Sk   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

4179 Toutatis (1989 AC)          Discovered 1989-Jan-04 by Pollas, C. at Caussols
Reference: DISCOVERY.DBLast Updated: 2013-09-05

[ 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
1903-Jan-24 10:55 < 00:01 Earth 0.409563392016809 0.409563343693533 0.409563440340091 27.7834973981827 27.7832632417238 2416138.954762745 0.000971821162054124 2.48926755556465 0.602956526615562 -19.5173664518118 38154872.12469 T 498 CATAB v2.0c-linF95 2015-Mar-10 15:39:44 2015-Mar-10 15:39
1906-Oct-02 14:38 < 00:01 Earth 0.154539087460311 0.154539069798771 0.154539105121796 12.3343517409329 12.3329538210069 2417486.109795270 0.00507837647256266 0.462606825690999 0.0676464832939066 -5.44824957754272 44022951.3350795 T 498 CATAB v2.0c-linF95 2015-Mar-10 15:39:44 2015-Mar-10 15:39
1922-Mar-30 19:55 < 00:01 Venus 0.0887051789509028 0.0887051729317666 0.0887051849700477 8.01643571795463 8.01338134968985 2423144.329597843 0.00515003480980871 0.701747370833252 0.117626292894989 75.0729279045459 66901389.2497761 T 498 CATAB v2.0c-linF95 2015-Mar-10 15:39:44 2015-Mar-10 15:39
1933-Dec-09 17:02 < 00:01 Earth 0.106213670354247 0.106213574817657 0.106213765890869 12.1010289772518 12.0989557503106 2427416.209536361 0.0122047920097559 3.08019747318909 0.295947244065999 -13.2458781324665 9755132.35589658 T 498 CATAB v2.0c-linF95 2015-Mar-10 15:39:44 2015-Mar-10 15:39
1937-Aug-23 23:45 < 00:01 Earth 0.191373896638244 0.191373773037767 0.191374020238715 20.0855924801514 20.0848992898078 2428769.489781198 0.00400157788502615 5.73147020524595 0.219377316501311 -2.05157999353978 5958757.51173163 T 498 CATAB v2.0c-linF95 2015-Mar-10 15:39:44 2015-Mar-10 15:39
1947-May-21 19:16 < 00:01 Jupiter 1.77482342730803 1.77482340781889 1.77482344679727 5.63157373683646 5.54618213154916 2432327.302990750 0.00775352440594888 0.294017552533332 0.158399699823363 31.4987691081338 109608126.307792 T 498 CATAB v2.0c-linF95 2015-Mar-10 15:39:44 2015-Mar-10 15:39
1959-Mar-06 17:23 < 00:01 Jupiter 1.59561934192982 1.59561932728917 1.59561935657114 4.94135138102064 4.8327288902601 2436634.224357788 0.00848225988114039 0.205036499614156 0.133319523749091 57.5525911789004 134927462.036061 T 498 CATAB v2.0c-linF95 2015-Mar-10 15:39:44 2015-Mar-10 15:39
1971-Jan-04 20:09 < 00:01 Jupiter 1.5152252929431 1.51522528015841 1.51522530572794 4.60671625189301 4.48372828620202 2440956.339872276 0.0077164351020111 0.179702557849108 0.0991709064723544 -87.7205591576813 175788859.382414 T 498 CATAB v2.0c-linF95 2015-Mar-10 15:39:44 2015-Mar-10 15:39
1981-Jan-12 23:45 < 00:01 Earth 0.376506796475907 0.376506741342821 0.376506851608992 24.0861948245436 24.0859010095256 2444617.489365186 0.00105180980278343 2.79394629082046 0.237253798899656 -18.1179951848671 69197152.4944375 T 498 CATAB v2.0c-linF95 2015-Mar-10 15:39:44 2015-Mar-10 15:39
1982-Nov-22 04:39 < 00:01 Jupiter 1.51536830510987 1.51536828899185 1.51536832122789 4.51352469610479 4.38793748970332 2445295.693403304 0.00591508958887612 0.195842181185847 0.0781501884492872 -64.4633651586147 200836395.909052 T 498 CATAB v2.0c-linF95 2015-Mar-10 15:39:44 2015-Mar-10 15:39
1985-Jan-05 17:00 < 00:01 Earth 0.282452289186401 0.282452245310734 0.282452333062076 20.6310424937367 20.6305852467029 2446071.207994384 0.000971314155078243 2.21460263603282 0.199302968633438 -21.8844893786419 71223419.2333345 T 498 CATAB v2.0c-linF95 2015-Mar-10 15:39:44 2015-Mar-10 15:39
1988-Dec-26 00:05 < 00:01 Earth 0.116929708423124 0.116929681620036 0.116929735226216 15.6008008944869 15.5993401948284 2447521.503389510 0.000856223478579091 1.36116013578681 0.134800379869069 -33.2425366332115 58498913.050685 T 498 CATAB v2.0c-linF95 2015-Mar-10 15:39:44 2015-Mar-10 15:39
1992-Dec-08 05:36 < 00:01 Earth 0.0241504184477457 0.024150417375022 0.0241504195204772 11.1874848803716 11.1776187516466 2448964.733419344 0.000133785139547862 0.659638517424072 0.0366012465082066 89.7716354851958 69790164.6579604 T 498 CATAB v2.0c-linF95 2015-Mar-10 15:39:44 2015-Mar-10 15:39
1994-Oct-29 12:10 < 00:01 Jupiter 1.60075932921807 1.60075930134307 1.60075935709304 4.6585549288103 4.54355126716615 2449655.006897144 0.00295395214169577 0.27944525393358 0.0702612049717396 -41.3334432453462 181930528.372548 T 498 CATAB v2.0c-linF95 2015-Mar-10 15:39:44 2015-Mar-10 15:39
1996-Nov-29 22:53 < 00:01 Earth 0.0354323409152332 0.0354323377052646 0.0354323441252039 10.1840323786106 10.1766456818695 2450417.453326340 0.000395516819811985 0.588233427626698 0.0942852114086258 -84.6546511819547 37709929.3297763 T 498 CATAB v2.0c-linF95 2015-Mar-10 15:39:44 2015-Mar-10 15:39
2000-Oct-31 04:28 < 00:01 Earth 0.07386478028562 0.0738647752684512 0.0738647853027909 9.70614592314834 9.70242876277305 2451848.686251334 0.000522989025330058 0.399973517047496 0.0405934537805487 -63.0122199906842 159401484.710407 T 498 CATAB v2.0c-linF95 2015-Mar-10 15:39:44 2015-Mar-10 15:39
2004-Sep-29 13:37 < 00:01 Earth 0.0103571745964084 0.0103571674012971 0.0103571817915272 10.9982966825367 10.974880926273 2453278.067040214 0.000217428806807703 0.396523612027657 0.0106809016929072 -50.9427080267813 78629174.6563433 T 498 CATAB v2.0c-linF95 2015-Mar-10 15:39:44 2015-Mar-10 15:39
2006-Oct-10 02:33 < 00:01 Jupiter 1.73363613528654 1.73363610047675 1.73363617009635 5.09219087402437 4.99532230485327 2454018.606429193 0.00292165631956044 0.334332577837533 0.0842119382359612 -33.6946319258628 155082668.191798 T 498 CATAB v2.0c-linF95 2015-Mar-10 15:39:44 2015-Mar-10 15:39
2008-Nov-09 12:22 < 00:01 Earth 0.0502478928329617 0.0502478893543561 0.0502478963115708 9.20807581549792 9.20231529822188 2454780.015325804 0.000419086174594593 0.422140439756518 0.0407359689143771 -73.2822368360863 112493797.473519 T 498 CATAB v2.0c-linF95 2015-Mar-10 15:39:44 2015-Mar-10 15:39
2012-Dec-12 06:40 < 00:01 Earth 0.0463320414540064 0.0463320380387556 0.0463320448692585 11.9132287857725 11.9084005390582 2456273.777842631 0.00033820132250868 0.622274378858629 0.102276116066419 -84.0288669942962 49179196.2353026 T 498 CATAB v2.0c-linF95 2015-Mar-10 15:39:44 2015-Mar-10 15:39
2016-Dec-29 14:15 < 00:01 Earth 0.251196403242645 0.251196395382696 0.251196411102594 18.3353969943333 18.3348184782012 2457752.094003607 0.000358506439278149 0.86468367521338 0.0527588772924338 62.7332842586965 541197864.567918 T 498 CATAB v2.0c-linF95 2015-Mar-10 15:39:44 2015-Mar-10 15:39
2065-Sep-05 06:23 < 00:01 Earth 0.364427688728184 0.364427622965476 0.364427754490885 20.4439362099374 20.4435785747257 2475533.766214536 0.00145825187046412 3.15669781983778 0.0677209619093914 0.674528026929146 17251127.7534682 T 498 CATAB v2.0c-linF95 2015-Mar-10 15:39:44 2015-Mar-10 15:39
2069-Nov-05 15:51 < 00:01 Earth 0.019848524819529 0.0198485199353712 0.0198485297036885 8.40638888024072 8.39040479709097 2477056.160185956 0.00899487060827326 0.407236866794521 0.129972034675122 -79.6320153031335 13516964.1584078 T 498 CATAB v2.0c-linF95 2015-Mar-10 15:39:44 2015-Mar-10 15:39
2074-Jan-04 01:51 < 00:01 Earth 0.433388758476433 0.433388730205112 0.433388786747737 22.550744844173 22.550472212412 2478576.576908838 0.000334658799811431 1.5132506082058 0.318819991402188 -27.5893141004063 91021067.9606542 T 498 CATAB v2.0c-linF95 2015-Mar-10 15:39:44 2015-Mar-10 15:39
2112-Aug-28 12:24 < 00:01 Jupiter 1.79620808368169 1.79620788887966 1.79620827848323 5.06100430838194 4.96695497050146 2492692.016672884 0.0203678647060194 2.29852738702982 0.20907442276362 -0.861180626144586 9990952.81179095 T 498 CATAB v2.0c-linF95 2015-Mar-10 15:39:44 2015-Mar-10 15:39
2124-Sep-18 10:22 < 00:01 Jupiter 1.51269621085152 1.51269601860325 1.5126964030998 4.33626458628071 4.20515232394764 2497095.932092599 0.0372240362709023 1.91356836821349 0.17539837183361 -0.604155469388339 8605519.26024953 T 498 CATAB v2.0c-linF95 2015-Mar-10 15:39:44 2015-Mar-10 15:39
2136-Sep-18 22:42 < 00:01 Jupiter 1.36900190741578 1.36900174855874 1.36900206627261 4.00514751834352 3.84756753186562 2501479.445793779 0.0595077857748409 1.43020254954823 0.160419032597197 -0.455710281144984 9593668.0263884 T 498 CATAB v2.0c-linF95 2015-Mar-10 15:39:44 2015-Mar-10 15:39
2148-Sep-03 03:31 < 00:01 Jupiter 1.30796917865888 1.30796905019595 1.30796930712179 3.89839200139419 3.72857723749785 2505846.646833999 0.0888344706502297 1.11555970140216 0.156528348546478 0.116801273626735 11415480.051366 T 498 CATAB v2.0c-linF95 2015-Mar-10 15:39:44 2015-Mar-10 15:39
2160-Aug-07 12:00 < 00:01 Jupiter 1.28538072721651 1.28538062750488 1.28538082692821 3.87088095810866 3.69672651067008 2510203.000197366 0.133440065191607 0.908858623949886 0.157272097262427 1.91856449908065 13883595.9968297 T 498 CATAB v2.0c-linF95 2015-Mar-10 15:39:44 2015-Mar-10 15:39
2172-Jul-07 08:02 < 00:01 Jupiter 1.27823165924259 1.27823157109596 1.27823174738929 3.86316717621095 3.68764925419616 2514554.834526025 0.21618213656614 0.751693528654917 0.159333296345611 7.16449218087578 18790800.4926332 T 498 CATAB v2.0c-linF95 2015-Mar-10 15:39:44 2015-Mar-10 15:39
2184-Jun-04 01:50 < 00:01 Jupiter 1.27958689579176 1.27958684079689 1.27958695078718 3.85595715878317 3.68028608358683 2518904.576715991 0.358854950035013 0.595623480984583 0.156933454340256 20.2079290259725 33165948.2737451 T 498 CATAB v2.0c-linF95 2015-Mar-10 15:39:44 2015-Mar-10 15:39
2196-Apr-29 01:44 < 00:01 Jupiter 1.27893813110412 1.27893810764043 1.27893815456794 3.8584416960373 3.68279795753162 2523251.572099013 0.598303866452557 0.419499356088164 0.0140840919387575 -78.5015855165691 857224492.017201 T 498 CATAB v2.0c-linF95 2015-Mar-10 15:39:44 2015-Mar-10 15:39

Alternate Designations
 1989 AC = 1934 CT 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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