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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 496 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6297787063902855 7.4215e-10  
a 2.533648329876716 1.7312e-10 AU
q .9380105622390504 1.8225e-09 AU
i .4471163794544787 1.7925e-07 deg
node 124.3575824682318 3.2908e-05 deg
peri 278.7581181237655 3.2724e-05 deg
M 135.2502761112111 2.7192e-08 deg
tp 2456247.081607499143
(2012-Nov-15.58160750)
1.197e-07 JED
period 1473.051494079679
4.03
1.5097e-07
4.133e-10
d
yr
n .2443906417710929 2.5048e-11 deg/d
Q 4.129286097514382 2.8214e-10 AU
  Orbit Determination Parameters
   # obs. used (total)      5252  
   # 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      .40535  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 13:27:58  

Additional Information
 Earth MOID = .00604007 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 Asteroid Lightcurve DataBase (Rev. 2013-Sep-12) 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 (010)
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 0.409563423869234 0.40956337719416 0.409563470544314 27.7834983125285 27.7832641560956 2416138.954764395 0.000944456485005847 2.39513050610878 0.594632188105975 -18.8207965092098 38160619.2511129 T 496 CATAB v2.0c-linF95 2014-Jun-16 13:28:10 2014-Jun-16 13:28
1906-Oct-02 14:38 < 00:01 Earth 0.154539098005865 0.154539080522574 0.154539115489103 12.3343518162131 12.3329538963911 2417486.109800423 0.00494106110926615 0.460543990879234 0.0648472289381927 -5.20647683102565 44132667.4504911 T 496 CATAB v2.0c-linF95 2014-Jun-16 13:28:10 2014-Jun-16 13:28
1922-Mar-30 19:55 < 00:01 Venus 0.0887051801262235 0.0887051741803935 0.0887051860720615 8.01643568225259 8.01338131401467 2423144.329598255 0.00495481836777571 0.670208342702683 0.116763904084347 74.687142492974 67282286.6130343 T 496 CATAB v2.0c-linF95 2014-Jun-16 13:28:10 2014-Jun-16 13:28
1933-Dec-09 17:02 < 00:01 Earth 0.106213682636919 0.106213590908818 0.106213774365048 12.1010287486043 12.0989555218636 2427416.209533387 0.0117331141022582 2.95340756325848 0.293169221833024 -13.0063180500874 9747174.13423215 T 496 CATAB v2.0c-linF95 2014-Jun-16 13:28:10 2014-Jun-16 13:28
1937-Aug-23 23:45 < 00:01 Earth 0.191373920238967 0.191373801048394 0.191374039429536 20.0855931362437 20.0848999460083 2428769.489779845 0.00383877700826631 5.52614652030788 0.216325350433335 -1.94619070848763 5976142.63278178 T 496 CATAB v2.0c-linF95 2014-Jun-16 13:28:10 2014-Jun-16 13:28
1947-May-21 19:16 < 00:01 Jupiter 1.77482340659623 1.77482338697873 1.77482342621383 5.63157365484828 5.54618204729447 2432327.302991910 0.0073718949702568 0.28684237383172 0.153927935863739 29.2003691701343 109652939.346998 T 496 CATAB v2.0c-linF95 2014-Jun-16 13:28:10 2014-Jun-16 13:28
1959-Mar-06 17:23 < 00:01 Jupiter 1.59561932481647 1.59561931007695 1.59561933955602 4.94135118140776 4.83272868498254 2436634.224370588 0.00806012187949366 0.196788587852714 0.131662422897563 54.5594289967902 135011846.27451 T 496 CATAB v2.0c-linF95 2014-Jun-16 13:28:10 2014-Jun-16 13:28
1971-Jan-04 20:09 < 00:01 Jupiter 1.51522527847101 1.51522526576496 1.51522529117706 4.60671620437984 4.48372823619479 2440956.339872775 0.00732499201644182 0.170404462021341 0.0990783251309722 -88.0988498202407 175985945.8556 T 496 CATAB v2.0c-linF95 2014-Jun-16 13:28:10 2014-Jun-16 13:28
1981-Jan-12 23:45 < 00:01 Earth 0.376506794505123 0.376506742040999 0.376506846969243 24.0861947174711 24.0859009024502 2444617.489365448 0.00100335638371137 2.65728495096941 0.236919599506328 -18.0084358298863 69143090.0125764 T 496 CATAB v2.0c-linF95 2014-Jun-16 13:28:10 2014-Jun-16 13:28
1982-Nov-22 04:39 < 00:01 Jupiter 1.51536829095008 1.51536827527667 1.51536830662349 4.51352464223024 4.38793743309653 2445295.693404872 0.00560996539543378 0.18567714183243 0.0780341613100763 -64.2295763566996 201209331.83154 T 496 CATAB v2.0c-linF95 2014-Jun-16 13:28:10 2014-Jun-16 13:28
1985-Jan-05 17:00 < 00:01 Earth 0.28245229022213 0.282452248520107 0.282452331924161 20.6310424364055 20.630585189372 2446071.207994129 0.000926084932611757 2.10377817053367 0.199173518485238 -21.7983445227058 71200113.0252923 T 496 CATAB v2.0c-linF95 2014-Jun-16 13:28:10 2014-Jun-16 13:28
1988-Dec-26 00:05 < 00:01 Earth 0.116929709034618 0.116929683568073 0.116929734501166 15.6008008460691 15.5993401464136 2447521.503389563 0.000816990334499322 1.29229834987659 0.134812894730551 -33.1788875404293 58469249.559692 T 496 CATAB v2.0c-linF95 2014-Jun-16 13:28:10 2014-Jun-16 13:28
1992-Dec-08 05:36 < 00:01 Earth 0.0241504187672491 0.0241504176987226 0.0241504198357756 11.1874848121773 11.1776186835227 2448964.733419547 0.000133595132296525 0.626034807290603 0.0365824662789906 89.8168331365716 69826191.1577792 T 496 CATAB v2.0c-linF95 2014-Jun-16 13:28:10 2014-Jun-16 13:28
1994-Oct-29 12:10 < 00:01 Jupiter 1.60075931289363 1.60075928619791 1.60075933958938 4.65855483925991 4.54355117416147 2449655.006901493 0.00280299367273408 0.265159202389994 0.0700693941186527 -41.0769341754023 182354908.339521 T 496 CATAB v2.0c-linF95 2014-Jun-16 13:28:10 2014-Jun-16 13:28
1996-Nov-29 22:53 < 00:01 Earth 0.0354323386234101 0.0354323354424743 0.0354323418043477 10.1840323778946 10.1766456806751 2450417.453326836 0.000395612706567727 0.558050634304622 0.094326741947724 -84.6591843702594 37694071.8178084 T 496 CATAB v2.0c-linF95 2014-Jun-16 13:28:10 2014-Jun-16 13:28
2000-Oct-31 04:28 < 00:01 Earth 0.0738647786921589 0.0738647739330017 0.0738647834513178 9.70614587712073 9.7024287166476 2451848.686251115 0.000507037775104315 0.379108240791503 0.0405187074417231 -63.0525641050842 159775235.604584 T 496 CATAB v2.0c-linF95 2014-Jun-16 13:28:10 2014-Jun-16 13:28
2004-Sep-29 13:37 < 00:01 Earth 0.0103571718771519 0.0103571650275357 0.0103571787267749 10.9982967418134 10.9748809795219 2453278.067040212 0.000215333234235494 0.377081637533884 0.0106287243797997 -50.9001801038035 78969057.5632831 T 496 CATAB v2.0c-linF95 2014-Jun-16 13:28:10 2014-Jun-16 13:28
2006-Oct-10 02:33 < 00:01 Jupiter 1.73363611589543 1.73363608258289 1.733636149208 5.09219067214586 4.99532209796596 2454018.606441171 0.00276944947384792 0.317665130003639 0.0838788611496951 -33.3427129817551 155500163.447164 T 496 CATAB v2.0c-linF95 2014-Jun-16 13:28:10 2014-Jun-16 13:28
2008-Nov-09 12:22 < 00:01 Earth 0.0502478914670948 0.0502478881605686 0.0502478947736216 9.20807577486971 9.20231525741161 2454780.015325199 0.000408258428560571 0.400390447271648 0.040654352571769 -73.3464797262288 112762233.31972 T 496 CATAB v2.0c-linF95 2014-Jun-16 13:28:10 2014-Jun-16 13:28
2012-Dec-12 06:40 < 00:01 Earth 0.0463320415610339 0.0463320382127052 0.0463320449093742 11.9132287139238 11.9084004671915 2456273.777842674 0.000327434503152909 0.590807129364101 0.102252182550459 -84.01741031491 49190500.2674255 T 496 CATAB v2.0c-linF95 2014-Jun-16 13:28:10 2014-Jun-16 13:28
2016-Dec-29 14:15 < 00:01 Earth 0.251196402884072 0.251196395407226 0.251196410360921 18.3353969162486 18.3348184001133 2457752.094003709 0.000344380280539138 0.821028882207647 0.0527274833213271 62.7242590278803 541505201.058221 T 496 CATAB v2.0c-linF95 2014-Jun-16 13:28:10 2014-Jun-16 13:28
2065-Sep-05 06:23 < 00:01 Earth 0.364427648851696 0.364427583667145 0.364427714036237 20.4439348687472 20.4435772334729 2475533.766218446 0.00145598848594029 3.12965235462039 0.0646550231480253 0.718658844213489 17841270.233974 T 496 CATAB v2.0c-linF95 2014-Jun-16 13:28:10 2014-Jun-16 13:28
2069-Nov-05 15:51 < 00:01 Earth 0.0198485201705753 0.0198485153341494 0.0198485250069974 8.40638883649193 8.39040474951146 2477056.160199231 0.00897658818841801 0.385982135026269 0.129757363071104 -79.5641104525733 13539246.935682 T 496 CATAB v2.0c-linF95 2014-Jun-16 13:28:10 2014-Jun-16 13:28
2074-Jan-04 01:51 < 00:01 Earth 0.433388751067665 0.433388723835137 0.433388778300185 22.5507445213371 22.5504718895675 2478576.576908448 0.000324151708475681 1.45194793969524 0.315063223344333 -27.0474864805413 91135372.3141984 T 496 CATAB v2.0c-linF95 2014-Jun-16 13:28:10 2014-Jun-16 13:28
2112-Aug-28 12:24 < 00:01 Jupiter 1.79620822943734 1.79620803500661 1.79620842386808 5.06100481850436 4.96695549798707 2492692.016661301 0.0202286326732947 2.2884673492508 0.198924080258549 -0.731507371362389 10010432.1004482 T 496 CATAB v2.0c-linF95 2014-Jun-16 13:28:10 2014-Jun-16 13:28
2124-Sep-18 10:22 < 00:01 Jupiter 1.5126963495512 1.51269615790415 1.51269654119795 4.33626490639627 4.20515266625321 2497095.932061472 0.0369109613350686 1.90275038526373 0.167098426791785 -0.451619659644191 8638074.11357827 T 496 CATAB v2.0c-linF95 2014-Jun-16 13:28:10 2014-Jun-16 13:28
2136-Sep-18 22:42 < 00:01 Jupiter 1.36900201956868 1.36900186132541 1.36900217781216 4.00514783898645 3.84756787881451 2501479.445766116 0.058974508015177 1.42089966052734 0.152959673687733 -0.252987955710387 9644842.23405843 T 496 CATAB v2.0c-linF95 2014-Jun-16 13:28:10 2014-Jun-16 13:28
2148-Sep-03 03:31 < 00:01 Jupiter 1.30796926820045 1.30796914028285 1.30796939611804 3.89839222024816 3.72857747820931 2505846.646785143 0.0880654733846032 1.10792868213886 0.149300912300032 0.379255098152752 11503670.762323 T 496 CATAB v2.0c-linF95 2014-Jun-16 13:28:10 2014-Jun-16 13:28
2160-Aug-07 12:00 < 00:01 Jupiter 1.2853807968827 1.28538069758644 1.28538089617903 3.87088116156887 3.6967267333767 2510203.000121920 0.132387344416221 0.902794284526178 0.149984115241601 2.24135246599036 14079777.3149372 T 496 CATAB v2.0c-linF95 2014-Jun-16 13:28:10 2014-Jun-16 13:28
2172-Jul-07 08:02 < 00:01 Jupiter 1.27823172071446 1.27823163294776 1.27823180848106 3.86316738348272 3.68764947997504 2514554.834416068 0.214655309249347 0.747202598560777 0.151839999433317 7.5428195444448 19371931.144392 T 496 CATAB v2.0c-linF95 2014-Jun-16 13:28:10 2014-Jun-16 13:28
2184-Jun-04 01:50 < 00:01 Jupiter 1.2795869350165 1.27958688021294 1.27958698982034 3.85595740912942 3.68028635139644 2518904.576539421 0.356535540300804 0.593157606243742 0.149269466403212 20.5966301362321 34742819.5421514 T 496 CATAB v2.0c-linF95 2014-Jun-16 13:28:10 2014-Jun-16 13:28
2196-Apr-29 01:43 < 00:01 Jupiter 1.27893811650784 1.27893809313444 1.27893813988213 3.85844191798032 3.68279818800738 2523251.571809773 0.59466888523399 0.418877681142958 0.0134784540931153 -78.4938731009319 895716491.39674 T 496 CATAB v2.0c-linF95 2014-Jun-16 13:28:10 2014-Jun-16 13:28

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