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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 84 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7069723997830024 3.0869e-08  
a 2.538236987888842 6.813e-09 au
q .7437734933430876 7.9245e-08 au
i 9.555888312891151 5.1089e-06 deg
node 164.1267126729964 5.8078e-05 deg
peri 25.08889968786131 5.8142e-05 deg
M 139.2934661542159 7.8892e-06 deg
tp 2456828.988565111567
(2014-Jun-20.48856511)
3.017e-05 JED
period 1477.055042424246
4.04
5.947e-06
1.628e-08
d
yr
n .2437282224832616 9.8131e-10 deg/d
Q 4.332700482434596 1.163e-08 au
  Orbit Determination Parameters
   # obs. used (total)      599  
   # delay obs. used      0  
   # Doppler obs. used      1  
   data-arc span      12323 days (33.74 yr)  
   first obs. used      1981-12-16  
   last obs. used      2015-09-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .59916  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Oct-05 13:36:06  

Additional Information
 Earth MOID = .101707 au 
 Jupiter MOID = .660692 au 
 T_jup = 3.024 
[ 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 23.949 h n/a LCDB (Rev. 2015-December); 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.; 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
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 0.272157126663639 0.27215491298817 0.272159340393288 17.1465860077286 17.1460150259956 2415066.991160680 0.444313871252373 115.85842262738 11.4823703321058 -58.4008384792994 2536496.14146916 T 84 CATAB v2.0c-linF95 2015-Oct-05 13:36:09 2015-Oct-05 13:36
1904-Jan-26 01:56 < 00:01 Venus 0.0739272112430917 0.0739268973096415 0.073927525258696 15.6511665688435 15.6492896566751 2416505.580477643 0.389328967702675 135.038400690336 9.6285511963097 -83.1827664810786 951643.891759092 T 84 CATAB v2.0c-linF95 2015-Oct-05 13:36:09 2015-Oct-05 13:36
1923-Jul-05 21:15 < 00:01 Earth 0.310344420407691 0.310341439042476 0.310347401786722 27.7670856906631 27.7667764899175 2423606.385507999 0.0907910764319413 176.37149045425 13.0487632142963 -34.4248761611616 1877063.52766692 T 84 CATAB v2.0c-linF95 2015-Oct-05 13:36:09 2015-Oct-05 13:36
1927-Apr-10 18:14 < 00:01 Earth 0.346806084706088 0.34680592043098 0.346806248980512 19.1839940030257 19.1835935135099 2424981.259984104 0.457067565002207 61.1947384852078 10.4888445308522 -87.1934103574319 4271606.5671313 T 84 CATAB v2.0c-linF95 2015-Oct-05 13:36:09 2015-Oct-05 13:36
1931-Jan-10 22:30 < 00:01 Earth 0.151962908885308 0.15196109173973 0.151964726103385 22.2548973882923 22.2541095141455 2426352.437331240 0.120712707761418 175.085267073344 14.1422950843771 60.059200485363 1246456.21729633 T 84 CATAB v2.0c-linF95 2015-Oct-05 13:36:09 2015-Oct-05 13:36
1931-Mar-09 11:04 < 00:01 Venus 0.126705913500517 0.12670279302211 0.126709034038023 19.4484509297056 19.4475696842605 2426409.961158512 0.171296330806125 194.883095464388 10.539513364209 -40.2392474148811 1027822.07102534 T 84 CATAB v2.0c-linF95 2015-Oct-05 13:36:09 2015-Oct-05 13:36
1942-Nov-09 03:35 < 00:01 Venus 0.0900057462927817 0.0900035007943989 0.0900079918680688 16.8457850842767 16.8443528109126 2430672.649643930 0.210289975157526 156.306989221645 10.7754570661968 -48.0819702021379 793882.458118981 T 84 CATAB v2.0c-linF95 2015-Oct-05 13:36:09 2015-Oct-05 13:36
1951-Nov-11 04:20 < 00:01 Jupiter 1.9575099809225 1.9575089639214 1.9575109979235 11.8089811409999 11.7722821691007 2433961.680867368 0.0939052335996413 19.5489667997219 16.5058169434099 60.5853012210504 3330835.04964307 T 84 CATAB v2.0c-linF95 2015-Oct-05 13:36:09 2015-Oct-05 13:36
1963-Sep-12 08:18 < 00:01 Jupiter 1.86069208403955 1.86069085006609 1.86069331801272 11.3643675325686 11.3242399868539 2438284.845687662 0.0858804982777105 19.4645843777724 17.9103185432125 28.7023349108614 2737054.45373424 T 84 CATAB v2.0c-linF95 2015-Oct-05 13:36:09 2015-Oct-05 13:36
1966-Jul-10 05:20 < 00:01 Earth 0.470438251985073 0.470435947689412 0.470440556282815 31.7354055436385 31.7352270729505 2439316.722522305 0.0545034428272233 123.731601905003 12.9608354506446 -22.6816627828193 2036229.22109667 T 84 CATAB v2.0c-linF95 2015-Oct-05 13:36:09 2015-Oct-05 13:36
1970-Jun-29 05:58 < 00:01 Earth 0.286132618477363 0.286130874552061 0.286134362408869 25.6253117768 25.6249483818323 2440766.748757591 0.0575979285697122 106.093139530298 12.7570717105171 -37.0919093324026 1878592.6944072 T 84 CATAB v2.0c-linF95 2015-Oct-05 13:36:09 2015-Oct-05 13:36
1974-Jun-14 19:36 < 00:01 Earth 0.171304169195656 0.171303909476869 0.171304428914755 19.0965408347942 19.0957263199943 2442213.316707074 0.0686771148768357 79.0388085918559 11.5625146051862 -84.0741615123995 1903781.7743679 T 84 CATAB v2.0c-linF95 2015-Oct-05 13:36:09 2015-Oct-05 13:36
1975-Jul-30 08:46 < 00:01 Jupiter 1.92809641612725 1.92809518285376 1.92809764940059 11.5903485208626 11.5523836809065 2442623.865068338 0.0677652071697489 18.5740379504464 18.294461966499 72.4791069265178 3009289.7187906 T 84 CATAB v2.0c-linF95 2015-Oct-05 13:36:09 2015-Oct-05 13:36
1978-Jun-06 03:54 < 00:01 Earth 0.180202906196109 0.180202370099026 0.18020344230353 16.663370139083 16.6624827802262 2443665.662535279 0.0727718062237135 55.9137004781616 10.4751868534067 75.9367115747071 2076874.59525846 T 84 CATAB v2.0c-linF95 2015-Oct-05 13:36:09 2015-Oct-05 13:36
1982-Jun-02 00:07 < 00:01 Earth 0.194545178633294 0.194544623416139 0.194545733854606 15.793455267456 15.7925880527109 2445122.504927494 0.0679709436441388 40.1235202894415 9.93797280786792 68.7635363715194 2240115.65619212 T 84 CATAB v2.0c-linF95 2015-Oct-05 13:36:09 2015-Oct-05 13:36
1986-May-25 03:06 < 00:01 Earth 0.21806570600367 0.218065257051073 0.218066154958317 14.9051151168312 14.9042953287617 2446575.629360518 0.0672895838433326 25.4183184826187 9.22848738932621 66.5944462815965 2629516.68190506 T 84 CATAB v2.0c-linF95 2015-Oct-05 13:36:09 2015-Oct-05 13:36
1990-May-31 20:33 < 00:01 Earth 0.188901207946034 0.18890089728777 0.188901518604646 15.6730307500568 15.6721307612557 2448043.356341032 0.0371287358925093 18.9026534570265 9.96918113189683 73.9013533507073 2244669.60919391 T 84 CATAB v2.0c-linF95 2015-Oct-05 13:36:09 2015-Oct-05 13:36
1994-Jun-11 02:08 < 00:01 Earth 0.169331765811834 0.169331494736341 0.169332036887427 18.2331858664083 18.2323228448618 2449514.589074986 0.0190656492276746 12.2766847989533 10.6847769114459 -46.6447835208457 1903307.15409162 T 84 CATAB v2.0c-linF95 2015-Oct-05 13:36:09 2015-Oct-05 13:36
1998-Jun-17 13:22 < 00:01 Earth 0.193027156767536 0.193026847209859 0.193027466325178 20.7546990511307 20.7540339549386 2450982.056730042 0.0147383679342592 14.2857198358038 10.6828294117059 -22.718997320781 1882238.98100779 T 84 CATAB v2.0c-linF95 2015-Oct-05 13:36:09 2015-Oct-05 13:36
2002-Jun-26 22:16 < 00:01 Earth 0.311769949264383 0.311769435962251 0.311770462566577 25.5043718557238 25.5040367619754 2452452.428075549 0.0162693595185597 26.6814747552126 12.5692710531189 -26.7666216852831 2094940.62490212 T 84 CATAB v2.0c-linF95 2015-Oct-05 13:36:09 2015-Oct-05 13:36
2079-Jan-04 16:54 < 00:01 Earth 0.359528062808793 0.359526378697819 0.359529746920402 28.3792711094978 28.3790099653346 2480403.204458470 0.0504193298795521 86.6655899972046 18.029379764375 18.0336582249221 1019834.57177006 T 84 CATAB v2.0c-linF95 2015-Oct-05 13:36:09 2015-Oct-05 13:36
2083-Jan-10 17:38 < 00:01 Earth 0.240819373550609 0.240818178337636 0.240820568764539 24.8278150839065 24.8273694416855 2481870.234739400 0.0461652520424198 63.1112664977264 17.4286782218023 25.5455886702828 938898.10276015 T 84 CATAB v2.0c-linF95 2015-Oct-05 13:36:09 2015-Oct-05 13:36
2087-Jan-12 14:50 < 00:01 Earth 0.2097995049836 0.209798590540286 0.209800419427423 23.7979515264814 23.7974178559878 2483333.118335042 0.0384730666536379 48.3907745422402 17.1030001649521 27.9309099667494 935275.470072907 T 84 CATAB v2.0c-linF95 2015-Oct-05 13:36:09 2015-Oct-05 13:36
2091-Jan-15 05:50 < 00:01 Earth 0.177685493860861 0.177684634943747 0.177686352779071 22.6367063596933 22.6360439090892 2484796.743286690 0.0349855993672103 47.1273761678336 16.9426099044251 33.608924662505 885498.004676551 T 84 CATAB v2.0c-linF95 2015-Oct-05 13:36:09 2015-Oct-05 13:36
2095-Jan-13 10:04 < 00:01 Earth 0.183857852671116 0.183856803128474 0.183858902216011 23.131310418257 23.1306838969894 2486255.919129515 0.0354707767079879 59.6102002067309 17.1711128793258 35.5466539780659 904238.382625024 T 84 CATAB v2.0c-linF95 2015-Oct-05 13:36:09 2015-Oct-05 13:36
2099-Jan-05 04:46 < 00:01 Earth 0.304971186621415 0.304969709305898 0.304972663937742 27.2996027205061 27.2992826838192 2487708.698528650 0.0338213406116347 76.6201257385414 17.7683044923699 21.5769794536568 1013155.1739425 T 84 CATAB v2.0c-linF95 2015-Oct-05 13:36:09 2015-Oct-05 13:36
2102-Dec-30 14:44 < 00:01 Earth 0.426675225791473 0.426673440610879 0.42667701097252 31.1338974174158 31.1336968396273 2489163.114143279 0.033502439525928 91.1949702185022 18.2224912620133 15.9674578166915 1106271.18765161 T 84 CATAB v2.0c-linF95 2015-Oct-05 13:36:09 2015-Oct-05 13:36
2105-Oct-24 19:13 < 00:01 Jupiter 1.94849641560449 1.94849472599798 1.94849810520831 11.3152580682949 11.2767749704485 2490192.300817106 0.0508150668448917 23.7781829232418 15.3137556302618 10.1384443125777 2338701.77316572 T 84 CATAB v2.0c-linF95 2015-Oct-05 13:36:09 2015-Oct-05 13:36
2107-Feb-07 14:59 < 00:01 Venus 0.0748914206674152 0.0748900148963354 0.0748928264530048 15.1905037006977 15.1885947619618 2490663.124542174 0.130330526046543 78.5606423864016 11.1481969157126 -37.7467870846469 516890.277233737 T 84 CATAB v2.0c-linF95 2015-Oct-05 13:36:09 2015-Oct-05 13:36
2117-Sep-05 18:58 < 00:01 Jupiter 1.94064254748031 1.94064090341548 1.94064419154406 11.3445123522178 11.3059732241117 2494526.290240502 0.0480326505979403 22.9132190822388 15.2734112638703 10.2375143793711 2418347.2719903 T 84 CATAB v2.0c-linF95 2015-Oct-05 13:36:09 2015-Oct-05 13:36
2142-Jul-17 19:46 < 00:01 Earth 0.466795603259251 0.466794199231991 0.466797007286874 32.9898262312523 32.9896532071077 2503607.323805631 0.0282853580027761 73.0997971298181 14.184799587281 -19.6854848490756 1786961.76484955 T 84 CATAB v2.0c-linF95 2015-Oct-05 13:36:09 2015-Oct-05 13:36
2146-May-24 06:47 < 00:01 Earth 0.277155810110368 0.277154733849818 0.277156886381188 15.3569118139205 15.3562857865358 2505013.782855220 0.15943581864418 49.157576193695 7.98462998495501 55.131550294501 3469589.65837366 T 84 CATAB v2.0c-linF95 2015-Oct-05 13:36:09 2015-Oct-05 13:36
2150-Feb-18 15:56 < 00:01 Earth 0.255890091209796 0.255889255205045 0.255890927224967 16.6302581305781 16.6296319954451 2506380.163691435 0.188363656757247 49.4827869512221 9.54976025726826 -67.0412241118399 3075925.99637359 T 84 CATAB v2.0c-linF95 2015-Oct-05 13:36:09 2015-Oct-05 13:36
2153-Dec-22 10:10 < 00:01 Earth 0.469021639318912 0.469019551271017 0.469023727367487 34.0200887165776 34.0199217286402 2507782.923815536 0.0569634496674232 107.572290081887 18.1675989572691 15.2206171129027 1133803.52567704 T 84 CATAB v2.0c-linF95 2015-Oct-05 13:36:09 2015-Oct-05 13:36
2161-Nov-18 00:45 < 00:01 Venus 0.0988553154308874 0.0988532685166996 0.0988573624544509 17.866495231376 17.8652656861847 2510670.531411813 0.193798113297957 174.745827061726 9.63146219118807 -55.9235068487873 1101498.92564037 T 84 CATAB v2.0c-linF95 2015-Oct-05 13:36:09 2015-Oct-05 13:36
2177-Jun-02 23:49 < 00:01 Earth 0.25520836223066 0.255204952890712 0.255211771671067 15.3839916627171 15.383312993736 2516346.492498127 0.365261558639703 158.454122015787 9.11940464255055 52.6775522831321 2698221.13700188 T 84 CATAB v2.0c-linF95 2015-Oct-05 13:36:09 2015-Oct-05 13:36
2181-Feb-05 09:58 < 00:01 Earth 0.216997501965493 0.216994312082119 0.217000691942855 16.5852853482499 16.5845449858271 2517689.915320827 0.369849083885156 163.320801855264 13.3815845159157 -52.4032797264228 1598174.20124128 T 84 CATAB v2.0c-linF95 2015-Oct-05 13:36:09 2015-Oct-05 13:36
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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