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8201 (1994 AH2)
Classification: Apollo [NEO]          SPK-ID: 2008201
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 80 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7068419214073279 3.0918e-08  
a 2.537978391596415 6.8339e-09 AU
q .7440288687901253 7.937e-08 AU
i 9.554145384818392 5.1416e-06 deg
node 164.1271472830146 6.4815e-05 deg
peri 25.08383032876856 6.4874e-05 deg
M 41.83211112704132 7.5316e-06 deg
tp 2456828.891976673879
(2014-Jun-20.39197667)
3.0237e-05 JED
period 1476.829324003882
4.04
5.9649e-06
1.633e-08
d
yr
n .2437654738761496 9.8457e-10 deg/d
Q 4.331927914402705 1.1664e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      593  
   # delay obs. used      0  
   # Doppler obs. used      1  
   data-arc span      12277 days (33.61 yr)  
   first obs. used      1981-12-16  
   last obs. used      2015-07-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .60394  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-29 06:16:29  

Additional Information
 Earth MOID = .101559 AU 
 T_jup = 3.025 
[ 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 15.8 mag n/a MPO231468  
rotation period rot_per 24. h n/a LCDB (Rev. 2015-July); 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:
[Pravec, P.; Wolf, M.; Sarounova, L. (1998) http://www.asu.cas.cz/~ppravec/neo.htm]
SMASSII spectral type spec_B O   n/a Binzel et al. (2001) Icarus 151, 139-149  

8201 (1994 AH2)          Discovered 1994-Jan-05 by Garradd, G. J. at Siding Spring
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ 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
1900-Feb-16 11:47 < 00:01 Earth 0.272157288311919 0.272155021790924 0.272159554888079 17.1465893102611 17.1460183289772 2415066.991205813 0.454147633370787 117.909697313321 12.1813886694177 -58.2005805630966 2386245.01063067 T 80 CATAB v2.0c-linF95 2015-Jul-29 06:16:34 2015-Jul-29 06:16
1904-Jan-26 01:56 < 00:01 Venus 0.0739271781059686 0.0739268573515729 0.0739274989404112 15.651169407244 15.6492924945747 2416505.580528384 0.399195347834541 137.837463055124 10.1349797921994 -83.2977056341155 904307.475042838 T 80 CATAB v2.0c-linF95 2015-Jul-29 06:16:34 2015-Jul-29 06:16
1923-Jul-05 21:15 < 00:01 Earth 0.310344569070429 0.310341476896638 0.310347661259039 27.7670905411051 27.7667813405616 2423606.385513620 0.0939019925360967 182.830726515047 13.151756119267 -34.3759016952404 1859492.19917732 T 80 CATAB v2.0c-linF95 2015-Jul-29 06:16:34 2015-Jul-29 06:16
1927-Apr-10 18:14 < 00:01 Earth 0.346806054542261 0.346805886613135 0.346806222472074 19.1839935654938 19.183593075934 2424981.260001587 0.473999213430084 63.0662182380048 10.643054733008 -87.1048797476862 4209394.42478566 T 80 CATAB v2.0c-linF95 2015-Jul-29 06:16:34 2015-Jul-29 06:16
1931-Jan-10 22:30 < 00:01 Earth 0.151962907600744 0.151961032058609 0.151964783220904 22.2548934092882 22.2541055349938 2426352.437337529 0.125015794504691 181.5454763599 15.1677139659957 60.2260998833181 1164204.55547605 T 80 CATAB v2.0c-linF95 2015-Jul-29 06:16:34 2015-Jul-29 06:16
1931-Mar-09 11:04 < 00:01 Venus 0.126705954724321 0.126702728085787 0.126709181426577 19.448457279696 19.4475760348254 2426409.961168852 0.177434060755685 201.812723872967 11.3287557212409 -40.3297507058659 958139.199700687 T 80 CATAB v2.0c-linF95 2015-Jul-29 06:16:34 2015-Jul-29 06:16
1942-Nov-09 03:35 < 00:01 Venus 0.0900056966241401 0.0900033882206024 0.0900080051093053 16.8457870289011 16.8443547549119 2430672.649647029 0.216735572374586 160.897691339344 11.6979431066039 -48.1568388832562 732284.213854764 T 80 CATAB v2.0c-linF95 2015-Jul-29 06:16:34 2015-Jul-29 06:16
1951-Nov-11 04:20 < 00:01 Jupiter 1.95750998282494 1.95750896719511 1.95751099845437 11.8089811307088 11.7722821588132 2433961.680869993 0.0974111805275207 21.4392992348639 16.8016328137596 71.9536157553385 3328358.67339872 T 80 CATAB v2.0c-linF95 2015-Jul-29 06:16:34 2015-Jul-29 06:16
1963-Sep-12 08:18 < 00:01 Jupiter 1.86069207175131 1.86069083354293 1.86069330995858 11.3643674527575 11.3242399064945 2438284.845690970 0.0890528913398217 20.6005685573281 18.9077049053127 68.7793477470736 2731959.63168633 T 80 CATAB v2.0c-linF95 2015-Jul-29 06:16:34 2015-Jul-29 06:16
1966-Jul-10 05:20 < 00:01 Earth 0.470438219913534 0.470435892834547 0.470440546994494 31.7354041560431 31.7352256853351 2439316.722517096 0.0553167446474232 125.008809716504 12.9856096991031 -22.7349079517823 2035556.29008404 T 80 CATAB v2.0c-linF95 2015-Jul-29 06:16:34 2015-Jul-29 06:16
1970-Jun-29 05:58 < 00:01 Earth 0.286132592032507 0.286130835706249 0.286134348364939 25.6253104024154 25.6249470073946 2440766.748752182 0.0583616383109654 106.934495994673 12.8008277058771 -37.1477482693967 1874285.20259747 T 80 CATAB v2.0c-linF95 2015-Jul-29 06:16:34 2015-Jul-29 06:16
1974-Jun-14 19:36 < 00:01 Earth 0.171304163245133 0.171303903595829 0.171304422894693 19.0965397080791 19.0957251932029 2442213.316699256 0.0694317419607736 79.445214636304 11.5885781679313 -84.1381623923876 1899713.07726741 T 80 CATAB v2.0c-linF95 2015-Jul-29 06:16:34 2015-Jul-29 06:16
1975-Jul-30 08:46 < 00:01 Jupiter 1.92809640614374 1.92809515534482 1.92809765694204 11.5903482367303 11.5523833956435 2442623.865084511 0.0704094545554905 20.6921047566226 18.4931338292882 -88.0572224866102 2980654.93831085 T 80 CATAB v2.0c-linF95 2015-Jul-29 06:16:34 2015-Jul-29 06:16
1978-Jun-06 03:54 < 00:01 Earth 0.180202902438787 0.180202362662577 0.180203442224058 16.6633695334588 16.6624821745512 2443665.662525889 0.0735414061866364 56.1420521030566 10.4986734057231 75.8579746463682 2071531.03641946 T 80 CATAB v2.0c-linF95 2015-Jul-29 06:16:34 2015-Jul-29 06:16
1982-Jun-02 00:07 < 00:01 Earth 0.194545172096958 0.194544614198849 0.194545730000231 15.7934553059856 15.7925880912135 2445122.504916750 0.0686741785339199 40.2146783533917 9.98188733868095 68.6875037806677 2229232.86921059 T 80 CATAB v2.0c-linF95 2015-Jul-29 06:16:34 2015-Jul-29 06:16
1986-May-25 03:06 < 00:01 Earth 0.218065690146514 0.218065239588664 0.218066140706913 14.9051159427156 14.9042961546318 2446575.629350824 0.067924284206759 25.4329010139841 9.37957855823759 66.6551394139687 2589150.3745472 T 80 CATAB v2.0c-linF95 2015-Jul-29 06:16:34 2015-Jul-29 06:16
1990-May-31 20:33 < 00:01 Earth 0.188901192836638 0.188900880797639 0.188901504875984 15.6730309804689 15.672130991609 2448043.356332581 0.0378879818573586 18.9037603397057 10.0382152231297 73.8766928667895 2229385.96059101 T 80 CATAB v2.0c-linF95 2015-Jul-29 06:16:34 2015-Jul-29 06:16
1994-Jun-11 02:08 < 00:01 Earth 0.169331757377487 0.169331485398205 0.169332029356873 18.2331857133341 18.2323226917374 2449514.589068510 0.0198309094414235 12.3107115934614 10.6941846211844 -46.0049104778226 1897244.58804678 T 80 CATAB v2.0c-linF95 2015-Jul-29 06:16:34 2015-Jul-29 06:16
1998-Jun-17 13:22 < 00:01 Earth 0.193027156876391 0.193026845027658 0.193027468725148 20.7546989928241 20.7540338966305 2450982.056725700 0.0152900222711097 14.4077982386783 10.6771296969357 -22.7326823577566 1870466.18182898 T 80 CATAB v2.0c-linF95 2015-Jul-29 06:16:34 2015-Jul-29 06:16
2002-Jun-26 22:16 < 00:01 Earth 0.311769962192346 0.311769446883465 0.311770477501387 25.5043719722962 25.5040368785632 2452452.428072288 0.016513870167877 26.7503313421468 12.6091163048422 -26.592410029939 2083669.58428654 T 80 CATAB v2.0c-linF95 2015-Jul-29 06:16:34 2015-Jul-29 06:16
2079-Jan-04 16:54 < 00:01 Earth 0.359528076503289 0.359526355421139 0.359529797586115 28.3792701549184 28.3790090107565 2480403.204458640 0.051418608728147 88.6656889063938 19.7318587513 18.2992548335039 959940.97495492 T 80 CATAB v2.0c-linF95 2015-Jul-29 06:16:34 2015-Jul-29 06:16
2083-Jan-10 17:38 < 00:01 Earth 0.240819412884555 0.24081818432303 0.240820641447086 24.8278144538339 24.8273688116744 2481870.234738890 0.0472550170375532 64.9447668783791 19.0690851216358 25.8569237313087 878618.695883407 T 80 CATAB v2.0c-linF95 2015-Jul-29 06:16:34 2015-Jul-29 06:16
2087-Jan-12 14:50 < 00:01 Earth 0.2097995663237 0.209798621743269 0.209800510904792 23.7979514361809 23.7974177658413 2483333.118333980 0.0394760508299721 49.9151988157239 18.7106419697568 28.0697796374648 873473.019392076 T 80 CATAB v2.0c-linF95 2015-Jul-29 06:16:34 2015-Jul-29 06:16
2091-Jan-15 05:50 < 00:01 Earth 0.177685575219037 0.177684692565299 0.177686457873914 22.6367067126958 22.6360442624053 2484796.743284075 0.0357618325852207 48.0403980324785 18.4865304436544 33.247981673464 819839.673007354 T 80 CATAB v2.0c-linF95 2015-Jul-29 06:16:34 2015-Jul-29 06:16
2095-Jan-13 10:04 < 00:01 Earth 0.183857939902732 0.183856875185415 0.183859004622107 23.131311057291 23.130684536338 2486255.919126332 0.0358700699819692 59.9495128747209 18.6973372407958 35.1321948365868 833914.387692365 T 80 CATAB v2.0c-linF95 2015-Jul-29 06:16:34 2015-Jul-29 06:16
2099-Jan-05 04:46 < 00:01 Earth 0.304971272184259 0.304969786281546 0.304972758087723 27.2996039070117 27.2992838704285 2487708.698524899 0.0340280061607744 76.8120522375085 19.3567529116783 21.2208286186046 941356.718176615 T 80 CATAB v2.0c-linF95 2015-Jul-29 06:16:34 2015-Jul-29 06:16
2102-Dec-30 14:44 < 00:01 Earth 0.42667531525987 0.426673523114803 0.426677107405354 31.1338990179007 31.1336984401646 2489163.114138537 0.0336235411542 91.3689538618953 19.8813423302474 15.6434703913364 1031988.89069769 T 80 CATAB v2.0c-linF95 2015-Jul-29 06:16:34 2015-Jul-29 06:16
2105-Oct-24 19:13 < 00:01 Jupiter 1.94849632689932 1.94849461581235 1.94849803798329 11.3152582455283 11.2767751465318 2490192.300817243 0.0521985194022621 24.0887082151457 16.8370545629638 11.9345451772346 2309733.8652361 T 80 CATAB v2.0c-linF95 2015-Jul-29 06:16:34 2015-Jul-29 06:16
2107-Feb-07 14:59 < 00:01 Venus 0.0748913008891984 0.0748898829633928 0.0748927188292219 15.190502144373 15.1885932023882 2490663.124531446 0.130533470401231 78.8187952832146 11.9941380280962 -37.4781580980173 478855.070889413 T 80 CATAB v2.0c-linF95 2015-Jul-29 06:16:34 2015-Jul-29 06:16
2117-Sep-05 18:58 < 00:01 Jupiter 1.94064245083369 1.94064078205834 1.94064411960611 11.3445125713038 11.3059734420219 2494526.290245227 0.049424628151351 23.2579514809921 16.796724298185 11.9980932310417 2382677.55537388 T 80 CATAB v2.0c-linF95 2015-Jul-29 06:16:34 2015-Jul-29 06:16
2142-Jul-17 19:46 < 00:01 Earth 0.466795543542358 0.466794125525083 0.466796961560094 32.9898236108122 32.9896505866317 2503607.323799591 0.0289289995671848 73.9235367197587 14.5750824698911 -19.8881071948779 1758234.05438286 T 80 CATAB v2.0c-linF95 2015-Jul-29 06:16:34 2015-Jul-29 06:16
2146-May-24 06:47 < 00:01 Earth 0.27715584720359 0.277154757670717 0.277156936747007 15.3569144475895 15.3562884203959 2505013.782832075 0.162049327167558 49.6397353120221 8.00939801744651 55.084904407796 3456682.82638845 T 80 CATAB v2.0c-linF95 2015-Jul-29 06:16:34 2015-Jul-29 06:16
2150-Feb-18 15:56 < 00:01 Earth 0.255890054248083 0.255889203136839 0.255890905370138 16.6302573335846 16.6296311983311 2506380.163676212 0.19128335140207 50.9121867605356 10.061110864777 -67.5047649191026 2929525.03394758 T 80 CATAB v2.0c-linF95 2015-Jul-29 06:16:34 2015-Jul-29 06:16
2153-Dec-22 10:10 < 00:01 Earth 0.469021772989342 0.469019649309319 0.469023896669998 34.0200918988617 34.0199249109875 2507782.923808194 0.0577980815789809 109.273219568836 19.7610134526388 15.015869304301 1054068.35392407 T 80 CATAB v2.0c-linF95 2015-Jul-29 06:16:34 2015-Jul-29 06:16
2161-Nov-18 00:45 < 00:01 Venus 0.0988551890445795 0.0988531152295417 0.0988572629714902 17.8664903129449 17.8652607658431 2510670.531393106 0.196503958630045 176.908787678057 10.3139262698035 -55.9133973523197 1028574.95304673 T 80 CATAB v2.0c-linF95 2015-Jul-29 06:16:34 2015-Jul-29 06:16
2177-Jun-02 23:49 < 00:01 Earth 0.255208449726628 0.255204999505854 0.255211900050762 15.3839918753655 15.3833132066265 2516346.492467763 0.369830923931046 160.248924039301 9.19063358944659 52.6546697784224 2676481.13891373 T 80 CATAB v2.0c-linF95 2015-Jul-29 06:16:34 2015-Jul-29 06:16
2181-Feb-05 09:58 < 00:01 Earth 0.216997452736321 0.216994221735591 0.2170006838334 16.5852859821042 16.5845456195417 2517689.915302957 0.37454751145349 165.492455894888 14.5933841165505 -52.4602129557588 1467032.84578983 T 80 CATAB v2.0c-linF95 2015-Jul-29 06:16:34 2015-Jul-29 06:16
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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