+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   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 2456400.5 (2013-Apr-18.0) TDB Reference: JPL 55 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .7069535386378408 4.7383e-08   a 2.536761611277086 9.4301e-09 AU q .7433890135041191 1.2126e-07 AU i 9.555562647275163 8.1546e-06 deg node 164.155895492634 0.00010689 deg peri 25.0878232499485 0.00010602 deg M 255.497593570972 9.4294e-06 deg tp 2456828.892345962904 (2014-Jun-20.39234596) 4.0882e-05 JED period 1475.767399207057 4.04 8.229e-06 2.253e-08 d yr n .2439408813295585 1.3602e-09 deg/d Q 4.330134209050052 1.6097e-08 AU   Orbit Determination Parameters    # obs. used (total)      539      # delay obs. used      0      # Doppler obs. used      1      data-arc span      10306 days (28.22 yr)      first obs. used      1981-12-16      last obs. used      2010-03-05      planetary ephem.      DE405      SB-pert. ephem.      SB405-CPV-2      condition code      0      fit RMS      .46826      data source      ORB      producer      Otto Matic      solution date      2013-Apr-29 15:44:07   Additional Information  Earth MOID = .101984 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 16.3 mag n/a PDS3 (MPC 31087)   rotation period rot_per 24. h n/a Asteroid Lightcurve DataBase (Rev. 2013-May-01) Result based on less than full coverage, so that the period may be wrong by 30 percent or so. Published Reference List: [Pravec, P.; Sarounova, L.; Wolf, M. (1996) Icarus 124, 471-482.] [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 (413) Reference: DISCOVERY.DB Last 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 11:48 < 00:01 Earth 0.272159384897617 0.272155877467946 0.272162892458018 17.146636329178 17.1460653538621 2415066.991769472 0.697518562526088 179.757051036571 19.9172514184462 -57.6037143825123 1450538.86004688 T 55 CATAB v2.0c-linF95 2013-Apr-29 15:44:09 2013-Apr-29 15:44 1904-Jan-26 01:57 < 00:01 Venus 0.0739274594730233 0.0739270036245628 0.0739279154988647 15.6512027845375 15.6493258829757 2416505.581129771 0.625856796988698 212.337711580781 15.2263196985206 -83.7463986589403 602461.947075751 T 55 CATAB v2.0c-linF95 2013-Apr-29 15:44:09 2013-Apr-29 15:44 1923-Jul-05 21:15 < 00:01 Earth 0.310346259609118 0.310341008164458 0.310351511097233 27.7671590397211 27.7668498416266 2423606.385641148 0.15811755002316 311.232709565986 19.0869794886402 -34.5399712551317 1284650.79608436 T 55 CATAB v2.0c-linF95 2013-Apr-29 15:44:09 2013-Apr-29 15:44 1927-Apr-10 18:15 < 00:01 Earth 0.346806119806643 0.346805867703438 0.346806371908777 19.1839867891887 19.1835862995653 2424981.260285470 0.809618305043434 106.13243462181 16.049150289736 -88.0079972683991 2793291.61663171 T 55 CATAB v2.0c-linF95 2013-Apr-29 15:44:09 2013-Apr-29 15:44 1931-Jan-10 22:30 < 00:01 Earth 0.151961784929072 0.151958623775549 0.151964946311034 22.2548245316496 22.2540366491009 2426352.437466253 0.213479430046866 308.894494924871 22.7255296717627 60.411755157781 778246.670341812 T 55 CATAB v2.0c-linF95 2013-Apr-29 15:44:09 2013-Apr-29 15:44 1931-Mar-09 11:04 < 00:01 Venus 0.126707390815552 0.126701877261269 0.126712904559805 19.4485611181359 19.4476798879401 2426409.961381209 0.303040216526436 346.288512880007 18.3348135167834 -40.5867673428563 594984.657090515 T 55 CATAB v2.0c-linF95 2013-Apr-29 15:44:09 2013-Apr-29 15:44 1942-Nov-09 03:36 < 00:01 Venus 0.090006296159009 0.0900024231531957 0.0900101694012963 16.8458406818326 16.8444084219161 2430672.649819537 0.364520542341535 271.943569687717 18.8749743976338 -48.5092034130477 456228.963404171 T 55 CATAB v2.0c-linF95 2013-Apr-29 15:44:09 2013-Apr-29 15:44 1951-Nov-11 04:21 < 00:01 Jupiter 1.95750914352572 1.95750776697823 1.95751052007324 11.80897990923 11.7722809168779 2433961.680918240 0.169144177662941 34.8447204196407 23.683834574024 82.3938282762676 2394795.55698548 T 55 CATAB v2.0c-linF95 2013-Apr-29 15:44:09 2013-Apr-29 15:44 1963-Sep-12 08:18 < 00:01 Jupiter 1.86069140271063 1.8606896846864 1.86069312073358 11.3643669400556 11.3242393765493 2438284.845704533 0.154605223013978 33.5859288797364 26.154003131215 -86.727726832573 1994469.35426236 T 55 CATAB v2.0c-linF95 2013-Apr-29 15:44:09 2013-Apr-29 15:44 1966-Jul-10 05:20 < 00:01 Earth 0.470438211375227 0.470434639748501 0.470441783006745 31.7354108897213 31.735232419049 2439316.722531400 0.0848592849081346 191.594214543378 19.8452384454646 -22.6471328191456 1327191.56095657 T 55 CATAB v2.0c-linF95 2013-Apr-29 15:44:09 2013-Apr-29 15:44 1970-Jun-29 05:58 < 00:01 Earth 0.286132530648463 0.286129876010832 0.286135185300335 25.6253163937178 25.6249529987064 2440766.748765217 0.0880434071602431 161.167917897771 19.3714552278763 -37.0200682469127 1235160.66437807 T 55 CATAB v2.0c-linF95 2013-Apr-29 15:44:09 2013-Apr-29 15:44 1974-Jun-14 19:36 < 00:01 Earth 0.171304031692351 0.171303630739296 0.171304432646308 19.0965449118618 19.0957303965872 2442213.316712830 0.102226956781304 117.429697072571 17.6637774693956 -83.9552943634643 1245937.01263392 T 55 CATAB v2.0c-linF95 2013-Apr-29 15:44:09 2013-Apr-29 15:44 1975-Jul-30 08:46 < 00:01 Jupiter 1.92809599667661 1.92809414665179 1.92809784670023 11.5903487937395 11.5523839454875 2442623.865065466 0.122464673743494 34.4129425396845 26.1508253090698 -76.7860367776286 2084665.57109724 T 55 CATAB v2.0c-linF95 2013-Apr-29 15:44:09 2013-Apr-29 15:44 1978-Jun-06 03:54 < 00:01 Earth 0.180202783699452 0.180201989565589 0.180203577853015 16.6633746720814 16.6624873128683 2443665.662541808 0.106914464331385 82.7275463193677 16.360987749376 76.0563771514192 1330557.89646929 T 55 CATAB v2.0c-linF95 2013-Apr-29 15:44:09 2013-Apr-29 15:44 1982-Jun-02 00:07 < 00:01 Earth 0.194545064694473 0.194544252434419 0.194545876966107 15.7934604608978 15.7925932459355 2445122.504937447 0.0985197949818541 58.8227281364203 15.7364046956959 69.1168085971337 1418868.15846136 T 55 CATAB v2.0c-linF95 2013-Apr-29 15:44:09 2013-Apr-29 15:44 1986-May-25 03:06 < 00:01 Earth 0.218065610099027 0.218064955945069 0.218066264256757 14.905120225775 14.9043004376311 2446575.629375186 0.0960174027732274 37.3789935113705 15.1088316342528 68.109723687551 1625268.36508881 T 55 CATAB v2.0c-linF95 2013-Apr-29 15:44:09 2013-Apr-29 15:44 1990-May-31 20:33 < 00:01 Earth 0.188901094752313 0.18890062653943 0.18890156296578 15.6730355575575 15.6721355684988 2448043.356348101 0.0541712405011244 28.2608587918815 15.8891457852573 76.1696148310206 1420546.26963941 T 55 CATAB v2.0c-linF95 2013-Apr-29 15:44:09 2013-Apr-29 15:44 1994-Jun-11 02:08 < 00:01 Earth 0.169331622215272 0.169331204362194 0.169332040068515 18.2331896880327 18.2323266659407 2449514.589079065 0.0288212128143627 19.1744061393884 16.2659114318351 -45.5538252186448 1233784.48005869 T 55 CATAB v2.0c-linF95 2013-Apr-29 15:44:09 2013-Apr-29 15:44 1998-Jun-17 13:22 < 00:01 Earth 0.193027002550834 0.19302654425418 0.193027460847444 20.7547022659119 20.7540371692957 2450982.056734744 0.0218080859186148 20.6739212256485 15.9637423403744 -13.7532601570576 1253640.77804792 T 55 CATAB v2.0c-linF95 2013-Apr-29 15:44:09 2013-Apr-29 15:44 2002-Jun-26 22:16 < 00:01 Earth 0.311769784662736 0.311769109608446 0.311770459717332 25.5043739255686 25.5040388316725 2452452.428078937 0.0227178077592617 35.0587443525108 19.5006381775182 -28.4992920257846 1496866.57922859 T 55 CATAB v2.0c-linF95 2013-Apr-29 15:44:09 2013-Apr-29 15:44 2079-Jan-04 16:54 < 00:01 Earth 0.359529355269478 0.3595266444188 0.359532066122064 28.3793152634499 28.3790541206335 2480403.204355064 0.0813810017560237 140.338114168562 30.3882934617612 19.0431497444374 634377.314599167 T 55 CATAB v2.0c-linF95 2013-Apr-29 15:44:09 2013-Apr-29 15:44 2083-Jan-10 17:38 < 00:01 Earth 0.2408205065883 0.240818507979438 0.240822505200292 24.8278549903471 24.827409350942 2481870.234635190 0.0774569251867971 106.782314987513 29.4268484296897 26.8900529605504 574748.876699239 T 55 CATAB v2.0c-linF95 2013-Apr-29 15:44:09 2013-Apr-29 15:44 2087-Jan-12 14:50 < 00:01 Earth 0.209800609547481 0.209799057554406 0.209802161542843 23.7979912084125 23.7974575416218 2483333.118228059 0.0671055848114965 83.4168377294645 28.9742427056629 29.4823171336782 566463.80529237 T 55 CATAB v2.0c-linF95 2013-Apr-29 15:44:09 2013-Apr-29 15:44 2091-Jan-15 05:50 < 00:01 Earth 0.177686523640384 0.17768516001413 0.177687887269251 22.6367448755225 22.636082429889 2484796.743178212 0.0610033827222581 74.6847388090894 28.5590456654048 33.5906288018528 532918.432547545 T 55 CATAB v2.0c-linF95 2013-Apr-29 15:44:09 2013-Apr-29 15:44 2095-Jan-13 10:03 < 00:01 Earth 0.183858761247168 0.183857244246965 0.183860278250931 23.1313451031536 23.1307185859256 2486255.919029107 0.0575322753384959 84.4597972467455 28.6558598781569 34.3741919401792 544781.436742041 T 55 CATAB v2.0c-linF95 2013-Apr-29 15:44:09 2013-Apr-29 15:44 2099-Jan-05 04:46 < 00:01 Earth 0.304972289188869 0.304970235694368 0.304974342684608 27.2996419859534 27.2993219508859 2487708.698430065 0.0523271241726724 105.633431992027 29.5950643168805 20.519075525951 624755.130521708 T 55 CATAB v2.0c-linF95 2013-Apr-29 15:44:09 2013-Apr-29 15:44 2102-Dec-30 14:44 < 00:01 Earth 0.426676426856307 0.426673964918854 0.426678888794428 31.1339399687981 31.1337393918496 2489163.114043367 0.0501218975022858 125.112119635054 30.4269710351555 14.9575110233861 689215.985788092 T 55 CATAB v2.0c-linF95 2013-Apr-29 15:44:09 2013-Apr-29 15:44 2105-Oct-24 19:13 < 00:01 Jupiter 1.94849338725535 1.94849087551761 1.94849589898948 11.3152506718209 11.2767674878882 2490192.300606728 0.0834963494826779 36.4720695216705 27.3969738036111 28.2996409573189 1616764.22152519 T 55 CATAB v2.0c-linF95 2013-Apr-29 15:44:09 2013-Apr-29 15:44 2107-Feb-07 14:59 < 00:01 Venus 0.0748898365722683 0.074887738335645 0.0748919348377509 15.1904460223786 15.1885370359721 2490663.124288147 0.182939474616222 115.021873300415 19.9275702253292 -36.9163123171621 286391.682082207 T 55 CATAB v2.0c-linF95 2013-Apr-29 15:44:09 2013-Apr-29 15:44 2117-Sep-05 18:58 < 00:01 Jupiter 1.94063951118195 1.94063702378722 1.94064199857496 11.3445050044008 11.3059657899133 2494526.289978834 0.0801213134930905 35.7734544069594 27.4033120014671 28.6733777060575 1637756.58960204 T 55 CATAB v2.0c-linF95 2013-Apr-29 15:44:09 2013-Apr-29 15:44 2142-Jul-17 19:46 < 00:01 Earth 0.466789335874162 0.466787099403957 0.466791572345636 32.9896375216888 32.9894644942324 2503607.323496216 0.0456439587069134 117.094833263848 21.087183497048 -20.4894229635218 1218799.04447157 T 55 CATAB v2.0c-linF95 2013-Apr-29 15:44:09 2013-Apr-29 15:44 2146-May-24 06:45 < 00:01 Earth 0.277159783157731 0.277158086146618 0.277161480194401 15.3569827341833 15.3563567186679 2505013.781552983 0.248301412228978 76.0421824650657 12.245576768314 54.1117642617699 2234779.84068147 T 55 CATAB v2.0c-linF95 2013-Apr-29 15:44:09 2013-Apr-29 15:44 2150-Feb-18 15:54 < 00:01 Earth 0.255886513959861 0.25588526244656 0.255887765497257 16.6301977119502 16.6295715657929 2506380.162546883 0.286252514625536 75.0654828584458 16.3710731925623 -68.5145803336711 1813828.63753003 T 55 CATAB v2.0c-linF95 2013-Apr-29 15:44:09 2013-Apr-29 15:44 2153-Dec-22 10:10 < 00:01 Earth 0.469028918068711 0.469025815418233 0.469032020720654 34.0203283803325 34.0201613961639 2507782.923388412 0.0863405562157815 159.791554230327 30.249069607801 15.149474282036 702758.736538394 T 55 CATAB v2.0c-linF95 2013-Apr-29 15:44:09 2013-Apr-29 15:44 2161-Nov-18 00:44 < 00:01 Venus 0.0988496606247363 0.0988466442738058 0.098852677219964 17.8660815633739 17.8648519193445 2510670.530262188 0.289695883535615 260.514165874333 17.1039290860907 -56.4022652683034 623876.193551398 T 55 CATAB v2.0c-linF95 2013-Apr-29 15:44:09 2013-Apr-29 15:44 2177-Jun-02 23:46 < 00:01 Earth 0.25521595851633 0.255210846948354 0.255221070307365 15.3839034113845 15.3832247587148 2516346.490529947 0.543688493565793 236.11363167845 13.2083374838001 52.2827886024079 1853096.34519196 T 55 CATAB v2.0c-linF95 2013-Apr-29 15:44:09 2013-Apr-29 15:44 2181-Feb-05 09:56 < 00:01 Earth 0.216990497447853 0.216985759003626 0.216995236098657 16.5853553508348 16.5846149676421 2517689.913675254 0.550857345604996 241.883492160637 23.398597361562 -52.4389080618518 915107.752135348 T 55 CATAB v2.0c-linF95 2013-Apr-29 15:44:09 2013-Apr-29 15:44 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2013-May-21 23:40 UT (server date/time)   Site Manager:   Donald K. 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