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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 489 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6297787053424936 5.9452e-10  
a 2.533648329731053 1.4297e-10 AU
q .9380105648398591 1.4611e-09 AU
i .4471166162318544 1.4119e-07 deg
node 124.357625471424 2.5956e-05 deg
peri 278.7580752455628 2.5814e-05 deg
M 135.2502761740087 2.7036e-08 deg
tp 2456247.081607289912
(2012-Nov-15.58160729)
1.1585e-07 JED
period 1473.051493952647
4.03
1.2469e-07
3.414e-10
d
yr
n .2443906417921684 2.0687e-11 deg/d
Q 4.129286094622247 2.3302e-10 AU
  Orbit Determination Parameters
   # obs. used (total)      5209  
   # delay obs. used      29  
   # Doppler obs. used      28  
   data-arc span      29273 days (80.15 yr)  
   first obs. used      1934-02-10  
   last obs. used      2014-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5045  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 13:45:35  

Additional Information
 Earth MOID = .00604008 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 0.409563423580021 0.409563382422403 0.409563464737635 27.7834982044697 27.7832640480357 2416138.954763966 0.000857151815016055 2.07620192863374 0.539486757241099 -15.1931720443238 38224875.5965088 T 489 CATAB v2.0c-linF95 2014-Apr-17 13:45:47 2014-Apr-17 13:45
1906-Oct-02 14:38 < 00:01 Earth 0.154539093533019 0.154539076645428 0.154539110420546 12.3343516600908 12.3329537402106 2417486.109799324 0.00447794407757289 0.453068671760739 0.0525703262708825 -4.37165741977576 45145300.1540378 T 489 CATAB v2.0c-linF95 2014-Apr-17 13:45:47 2014-Apr-17 13:45
1922-Mar-30 19:55 < 00:01 Venus 0.0887051797412241 0.0887051741090723 0.0887051853733819 8.01643557083041 8.01338120253676 2423144.329600255 0.00421248640396371 0.548551738764537 0.112351558742308 72.7670889325856 69304240.2022557 T 489 CATAB v2.0c-linF95 2014-Apr-17 13:45:47 2014-Apr-17 13:45
1933-Dec-09 17:02 < 00:01 Earth 0.106213646756455 0.106213569844353 0.106213723668583 12.1010291423732 12.0989559149996 2427416.209541887 0.00989839043799381 2.46036350391754 0.276803364930921 -11.7692143541682 9768876.60914961 T 489 CATAB v2.0c-linF95 2014-Apr-17 13:45:47 2014-Apr-17 13:45
1937-Aug-23 23:45 < 00:01 Earth 0.191373876873242 0.191373774961876 0.191373978784604 20.0855917748297 20.0848985843901 2428769.489782937 0.00321115050610401 4.72191376541733 0.199362245316042 -1.42267340686276 6132945.74978191 T 489 CATAB v2.0c-linF95 2014-Apr-17 13:45:47 2014-Apr-17 13:45
1947-May-21 19:16 < 00:01 Jupiter 1.7748234143808 1.77482339452945 1.77482343423223 5.63157355522902 5.54618194651886 2432327.303002926 0.00594307257304008 0.258682537465006 0.134019364989641 19.3898162045979 110014164.745682 T 489 CATAB v2.0c-linF95 2014-Apr-17 13:45:47 2014-Apr-17 13:45
1959-Mar-06 17:23 < 00:01 Jupiter 1.59561933108566 1.59561931606498 1.59561934610721 4.94135118693637 4.83272869106699 2436634.224372847 0.00649122292158115 0.166457913618573 0.122190998930684 37.0509487223195 135486523.153129 T 489 CATAB v2.0c-linF95 2014-Apr-17 13:45:47 2014-Apr-17 13:45
1971-Jan-04 20:09 < 00:01 Jupiter 1.51522528246416 1.51522526983849 1.51522529508983 4.6067162494765 4.483728282857 2440956.339869798 0.00588951911082186 0.134306983859376 0.0986432697532538 -86.5280561755642 176677027.362021 T 489 CATAB v2.0c-linF95 2014-Apr-17 13:45:47 2014-Apr-17 13:45
1981-Jan-12 23:45 < 00:01 Earth 0.376506819263001 0.376506776940895 0.376506861585115 24.0861953466728 24.0859015316789 2444617.489366260 0.000823752248870399 2.13547147642811 0.232025510781599 -17.254493450592 69207121.3106389 T 489 CATAB v2.0c-linF95 2014-Apr-17 13:45:47 2014-Apr-17 13:45
1982-Nov-22 04:38 < 00:01 Jupiter 1.51536829233763 1.51536827782843 1.51536830684684 4.51352466704204 4.38793745873511 2445295.693402355 0.00450604987288234 0.148599473714649 0.0764793845895222 -60.1733784673026 202085254.484356 T 489 CATAB v2.0c-linF95 2014-Apr-17 13:45:47 2014-Apr-17 13:45
1985-Jan-05 17:00 < 00:01 Earth 0.28245230872835 0.282452275239653 0.282452342217042 20.6310429135408 20.6305856665479 2446071.207995228 0.000760919582569574 1.68178743524666 0.196059128104441 -21.0985202275394 71277512.9203078 T 489 CATAB v2.0c-linF95 2014-Apr-17 13:45:47 2014-Apr-17 13:45
1988-Dec-26 00:05 < 00:01 Earth 0.116929720059836 0.116929699738924 0.116929740380752 15.6008010946138 15.5993403951193 2447521.503390453 0.000671785368865063 1.02458544887851 0.133815202507949 -32.6527077976978 58529057.2549425 T 489 CATAB v2.0c-linF95 2014-Apr-17 13:45:47 2014-Apr-17 13:45
1992-Dec-08 05:36 < 00:01 Earth 0.0241504191631209 0.0241504180996508 0.0241504202265896 11.1874847462122 11.1776186176611 2448964.733419304 0.000133257419864669 0.493172897520398 0.0365362295146521 89.8483267322287 69914670.1631642 T 489 CATAB v2.0c-linF95 2014-Apr-17 13:45:47 2014-Apr-17 13:45
1994-Oct-29 12:10 < 00:01 Jupiter 1.60075930888262 1.60075928584085 1.60075933192428 4.65855465887508 4.54355098891904 2449655.006915338 0.00227417858246812 0.214960106440533 0.0677992294143992 -38.2839295874357 183129925.737623 T 489 CATAB v2.0c-linF95 2014-Apr-17 13:45:47 2014-Apr-17 13:45
1996-Nov-29 22:53 < 00:01 Earth 0.0354323378337359 0.0354323347416627 0.0354323409258018 10.1840323244846 10.1766456270616 2450417.453326602 0.000395069968711813 0.439845266127768 0.0941304748196254 -84.3847337028464 37758941.4620895 T 489 CATAB v2.0c-linF95 2014-Apr-17 13:45:47 2014-Apr-17 13:45
2000-Oct-31 04:28 < 00:01 Earth 0.0738647764065606 0.0738647725630093 0.0738647802501131 9.70614580998066 9.70242864936677 2451848.686251201 0.000458692290814879 0.299249076962097 0.0402874581522549 -62.744091724294 160398416.435644 T 489 CATAB v2.0c-linF95 2014-Apr-17 13:45:47 2014-Apr-17 13:45
2004-Sep-29 13:37 < 00:01 Earth 0.0103571694447393 0.0103571637357833 0.0103571751536998 10.9982967560844 10.9748809883182 2453278.067040164 0.000211252801998307 0.311903635518071 0.0101205473088403 -50.5850479525661 82567279.5746042 T 489 CATAB v2.0c-linF95 2014-Apr-17 13:45:47 2014-Apr-17 13:45
2006-Oct-10 02:33 < 00:01 Jupiter 1.73363611065343 1.73363608204733 1.73363613925955 5.09219085000815 4.99532227898159 2454018.606425567 0.00222999035224153 0.260397965515369 0.0802607013570973 -30.1910135494672 156156096.333945 T 489 CATAB v2.0c-linF95 2014-Apr-17 13:45:47 2014-Apr-17 13:45
2008-Nov-09 12:22 < 00:01 Earth 0.0502478900822371 0.0502478873702881 0.050247892794188 9.20807570358565 9.20231518592411 2454780.015324233 0.000369054630567116 0.315509390497683 0.0405200741865652 -73.220385030624 113093730.70156 T 489 CATAB v2.0c-linF95 2014-Apr-17 13:45:47 2014-Apr-17 13:45
2012-Dec-12 06:40 < 00:01 Earth 0.0463320405746255 0.046332037458273 0.0463320436910007 11.9132285397456 11.9084002928398 2456273.777841953 0.000283891114689955 0.465566350099927 0.101891814423775 -83.8293056499228 49352912.054408 T 489 CATAB v2.0c-linF95 2014-Apr-17 13:45:47 2014-Apr-17 13:45
2016-Dec-29 14:15 < 00:01 Earth 0.251196398269123 0.25119639232291 0.251196404215339 18.3353966715043 18.3348181553505 2457752.094003169 0.00028676679398596 0.647242089385065 0.0526131747779786 62.6572700359519 542535709.848096 T 489 CATAB v2.0c-linF95 2014-Apr-17 13:45:47 2014-Apr-17 13:45
2065-Sep-05 06:23 < 00:01 Earth 0.364427668274906 0.364427605850583 0.364427730699219 20.4439353209323 20.443577685685 2475533.766217970 0.00145208827517774 3.00002910685004 0.0537047748949382 0.906928711457294 21218450.3467055 T 489 CATAB v2.0c-linF95 2014-Apr-17 13:45:47 2014-Apr-17 13:45
2069-Nov-05 15:51 < 00:01 Earth 0.0198485197830675 0.0198485150252209 0.0198485245409149 8.40638875158939 8.39040466413482 2477056.160196505 0.00886941726856398 0.306830157233951 0.128065128407473 -77.26460638632 13639822.2679492 T 489 CATAB v2.0c-linF95 2014-Apr-17 13:45:47 2014-Apr-17 13:45
2074-Jan-04 01:51 < 00:01 Earth 0.433388763928859 0.433388740938872 0.43338878691886 22.5507448002314 22.5504721684732 2478576.576909007 0.000280104249405465 1.20310732381262 0.299055248964233 -24.3064558512547 91300054.9651105 T 489 CATAB v2.0c-linF95 2014-Apr-17 13:45:47 2014-Apr-17 13:45
2103-Jan-17 02:50 < 00:01 Amphi 0.0441115827532345 0.0441112720115466 0.0441118934950395 11.3451421725206 11.3451421610335 2489180.617874173 0.00789928598915776 15.9032204870765 0.0946563645277874 -13.0179630701111 15706924.2527029 T 489 CATAB v2.0c-linF95 2014-Apr-17 13:45:47 2014-Apr-17 13:45
2105-Nov-28 22:37 < 00:01 Thisb 0.00622374452848066 0.00622349625479233 0.00622399281731344 12.0077388685033 12.0077387772682 2490227.442439351 0.00700389022592495 19.7407414193221 1.16019828570249 51.2845969939364 626716.74627866 T 489 CATAB v2.0c-linF95 2014-Apr-17 13:45:47 2014-Apr-17 13:45
2112-Aug-28 12:24 < 00:01 Jupiter 1.79620818586197 1.79620799388867 1.79620837783538 5.06100461064642 4.96695528389013 2492692.016665343 0.0195256335078244 2.23379963137115 0.160133646615895 -0.106858999267623 10174702.4582547 T 489 CATAB v2.0c-linF95 2014-Apr-17 13:45:47 2014-Apr-17 13:45
2124-Sep-18 10:22 < 00:01 Jupiter 1.51269630402415 1.51269611594956 1.51269649209837 4.33626473682333 4.20515248738561 2497095.932071182 0.0353846482859751 1.84650074569125 0.135306198156529 0.253840308204937 8886802.04542042 T 489 CATAB v2.0c-linF95 2014-Apr-17 13:45:47 2014-Apr-17 13:45
2136-Sep-18 22:42 < 00:01 Jupiter 1.36900198072387 1.36900182597342 1.3690021354743 4.00514769678227 3.84756772622343 2501479.445779022 0.0564028170138603 1.37376650709499 0.124323096283373 0.666789324640155 10023374.9837607 T 489 CATAB v2.0c-linF95 2014-Apr-17 13:45:47 2014-Apr-17 13:45
2148-Sep-03 03:31 < 00:01 Jupiter 1.30796923639834 1.30796911152534 1.30796936127119 3.89839209450792 3.72857734251943 2505846.646801655 0.0843375903418381 1.06971185456259 0.121516717986889 1.56016211545343 12163630.4127097 T 489 CATAB v2.0c-linF95 2014-Apr-17 13:45:47 2014-Apr-17 13:45
2160-Aug-07 12:00 < 00:01 Jupiter 1.28538077245463 1.28538067549017 1.28538086941872 3.87088105538391 3.69672661880164 2510203.000151966 0.12720701989753 0.872433875013113 0.121963017325963 3.69113246437476 15492328.3618844 T 489 CATAB v2.0c-linF95 2014-Apr-17 13:45:47 2014-Apr-17 13:45
2172-Jul-07 08:02 < 00:01 Jupiter 1.27823169902414 1.27823161337933 1.27823178466907 3.86316727754688 3.68764936594781 2514554.834457275 0.207000278467601 0.724457093544354 0.123063915646873 9.25027400012931 23000935.0958668 T 489 CATAB v2.0c-linF95 2014-Apr-17 13:45:47 2014-Apr-17 13:45
2184-Jun-04 01:50 < 00:01 Jupiter 1.27958692203566 1.27958686837845 1.27958697569281 3.85595728957767 3.68028622431349 2518904.576607730 0.344728762443056 0.580064397565531 0.119942510326055 22.4200325391272 43538308.5917504 T 489 CATAB v2.0c-linF95 2014-Apr-17 13:45:47 2014-Apr-17 13:45
2196-Apr-29 01:44 < 00:01 Jupiter 1.27893812462446 1.2789381018973 1.27893814735149 3.85844181034833 3.68279807638338 2523251.571924838 0.575968562355408 0.417887905678659 0.011006925811567 -78.5018661322437 1096866790.88896 T 489 CATAB v2.0c-linF95 2014-Apr-17 13:45:47 2014-Apr-17 13:45

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