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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 75 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7068175983088414 3.275e-08  
a 2.537764144975113 7.3025e-09 AU
q .7440277869495133 8.4112e-08 AU
i 9.553729564062971 5.4968e-06 deg
node 164.1300009031728 7.7244e-05 deg
peri 25.07833860908369 7.717e-05 deg
M 353.0790815807883 7.6067e-06 deg
tp 2456828.888114078212
(2014-Jun-20.38811408)
3.1317e-05 JED
period 1476.642325357785
4.04
6.3737e-06
1.745e-08
d
yr
n .2437963437847234 1.0523e-09 deg/d
Q 4.331500503000713 1.2464e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      580  
   # delay obs. used      0  
   # Doppler obs. used      1  
   data-arc span      11774 days (32.24 yr)  
   first obs. used      1981-12-16  
   last obs. used      2014-03-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .60274  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Mar-22 10:52:11  

Additional Information
 Earth MOID = .10163 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 Asteroid Lightcurve DataBase (Rev. 2013-Sep-12) 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.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 0.272157530384674 0.272155035975057 0.27216002486123 17.1465932329608 17.1460222523155 2415066.991249630 0.501437094747669 129.032928715183 13.9438271209321 -58.1795194318217 2084569.37807065 T 75 CATAB v2.0c-linF95 2014-Mar-22 10:52:13 2014-Mar-22 10:52
1904-Jan-26 01:56 < 00:01 Venus 0.0739271622097476 0.0739268277196947 0.0739274967921 15.6511733387143 15.6492964261129 2416505.580581914 0.445835200679015 153.062514805515 11.0123101987679 -83.7083477646823 832937.984331261 T 75 CATAB v2.0c-linF95 2014-Mar-22 10:52:13 2014-Mar-22 10:52
1923-Jul-05 21:15 < 00:01 Earth 0.31034467771508 0.31034110787323 0.310348247576661 27.7670981108474 27.7667889104964 2423606.385527918 0.106770274500681 210.856962171507 13.582376924542 -34.2936279304253 1794856.82626479 T 75 CATAB v2.0c-linF95 2014-Mar-22 10:52:13 2014-Mar-22 10:52
1927-Apr-10 18:14 < 00:01 Earth 0.346806074511975 0.346805884847156 0.346806264177197 19.1839941189177 19.1835936293925 2424981.260042493 0.539932054024228 71.568884316882 10.9995590764175 -88.2216975802356 4076104.31373754 T 75 CATAB v2.0c-linF95 2014-Mar-22 10:52:13 2014-Mar-22 10:52
1931-Jan-10 22:30 < 00:01 Earth 0.151962712807123 0.1519606334461 0.151964792265635 22.2548805233525 22.2540926475919 2426352.437352648 0.141423568426467 202.740986638983 16.8123868346445 60.4216244282695 1052323.44479936 T 75 CATAB v2.0c-linF95 2014-Mar-22 10:52:13 2014-Mar-22 10:52
1931-Mar-09 11:04 < 00:01 Venus 0.126706043111172 0.126702382928673 0.126709703376895 19.4484733783421 19.4475921348157 2426409.961203858 0.200050672966462 229.540822687162 13.1925582412445 -40.5249230721153 826136.520499231 T 75 CATAB v2.0c-linF95 2014-Mar-22 10:52:13 2014-Mar-22 10:52
1942-Nov-09 03:36 < 00:01 Venus 0.0900057232293066 0.0900032026788854 0.0900082438788685 16.8457998317004 16.8443675592232 2430672.649690044 0.236185286504732 176.660275870503 13.6438347631815 -48.4801642009042 631148.008500442 T 75 CATAB v2.0c-linF95 2014-Mar-22 10:52:13 2014-Mar-22 10:52
1951-Nov-11 04:20 < 00:01 Jupiter 1.9575100125852 1.9575089829448 1.95751104222521 11.8089816231714 11.7722826533699 2433961.680877291 0.112102259407986 25.3063258538517 17.0653717371554 80.2386140781676 3313066.35797806 T 75 CATAB v2.0c-linF95 2014-Mar-22 10:52:13 2014-Mar-22 10:52
1963-Sep-12 08:18 < 00:01 Jupiter 1.86069209181291 1.86069080816063 1.86069337546447 11.3643679912691 11.3242404473478 2438284.845693465 0.101903491383213 24.3358049241341 19.4951856133147 86.9091925668683 2676028.79195955 T 75 CATAB v2.0c-linF95 2014-Mar-22 10:52:13 2014-Mar-22 10:52
1966-Jul-10 05:20 < 00:01 Earth 0.470438290158823 0.470435915623551 0.470440664696195 31.7354095557644 31.7352310851135 2439316.722527551 0.0559816785700584 127.307269421791 13.6340408115579 -22.5586989771568 1929040.17916175 T 75 CATAB v2.0c-linF95 2014-Mar-22 10:52:13 2014-Mar-22 10:52
1970-Jun-29 05:58 < 00:01 Earth 0.286132611896407 0.286130830826953 0.286134392972207 25.6253152316115 25.6249518366844 2440766.748761043 0.0585497447956883 107.99442379019 13.3980559240839 -36.9232034584793 1783448.61220271 T 75 CATAB v2.0c-linF95 2014-Mar-22 10:52:13 2014-Mar-22 10:52
1974-Jun-14 19:36 < 00:01 Earth 0.171304070376234 0.171303793770883 0.171304346981912 19.0965439450067 19.0957294298696 2442213.316708608 0.0690397937947469 79.6128147706863 12.1696972194362 -83.8432576046175 1808061.28519809 T 75 CATAB v2.0c-linF95 2014-Mar-22 10:52:13 2014-Mar-22 10:52
1975-Jul-30 08:46 < 00:01 Jupiter 1.92809640198678 1.92809505405844 1.92809774991442 11.5903486456199 11.5523838057949 2442623.865086314 0.0814985343646592 24.734589269048 19.6654021323224 -84.0101622624295 2797677.05743617 T 75 CATAB v2.0c-linF95 2014-Mar-22 10:52:13 2014-Mar-22 10:52
1978-Jun-06 03:54 < 00:01 Earth 0.180202792035908 0.18020225494365 0.180203329135949 16.6633732597134 16.6624859004605 2443665.662535387 0.0727975973083148 56.1294103597715 11.1733159483152 76.2194081375452 1949666.50259138 T 75 CATAB v2.0c-linF95 2014-Mar-22 10:52:13 2014-Mar-22 10:52
1982-Jun-02 00:07 < 00:01 Earth 0.19454507094137 0.194544519027452 0.194545622860388 15.7934584279395 15.7925912128879 2445122.504926431 0.0676804417913695 40.0616119216183 10.7218696101808 69.2904568251 2084675.05591851 T 75 CATAB v2.0c-linF95 2014-Mar-22 10:52:13 2014-Mar-22 10:52
1986-May-25 03:06 < 00:01 Earth 0.218065609256044 0.218065163706446 0.218066054808109 14.9051184544593 14.9042986662096 2446575.629359522 0.0666946132092795 25.4321997072663 10.3297542045619 68.2669542994795 2379624.21465605 T 75 CATAB v2.0c-linF95 2014-Mar-22 10:52:13 2014-Mar-22 10:52
1990-May-31 20:33 < 00:01 Earth 0.18890110742507 0.188900793633061 0.188901421217321 15.6730331107778 15.6721331216334 2448043.356335865 0.0375366560798656 18.7398745827558 10.7787399167827 76.7752284600801 2098472.87721527 T 75 CATAB v2.0c-linF95 2014-Mar-22 10:52:13 2014-Mar-22 10:52
1994-Jun-11 02:08 < 00:01 Earth 0.169331655403094 0.169331370199558 0.169331940606789 18.2331866878361 18.2323236657658 2449514.589068569 0.0202630235650792 12.712304320574 10.5410425233192 -32.4945201666536 1807858.96192708 T 75 CATAB v2.0c-linF95 2014-Mar-22 10:52:13 2014-Mar-22 10:52
1998-Jun-17 13:22 < 00:01 Earth 0.193027033485001 0.1930267149116 0.193027352058515 20.7546989154354 20.7540338188142 2450982.056724713 0.0161128939738664 14.5631292429743 11.1966461255347 -19.562194576796 1813023.25989398 T 75 CATAB v2.0c-linF95 2014-Mar-22 10:52:13 2014-Mar-22 10:52
2002-Jun-26 22:16 < 00:01 Earth 0.311769822135004 0.311769305345034 0.311770338925104 25.5043710609044 25.5040359670088 2452452.428070346 0.0172804120689296 27.1630856979033 13.3024793449024 -28.6840576859419 2069258.5439782 T 75 CATAB v2.0c-linF95 2014-Mar-22 10:52:13 2014-Mar-22 10:52
2079-Jan-04 16:54 < 00:01 Earth 0.359528108445779 0.359526191408006 0.359530025484436 28.3792721176104 28.3790109734897 2480403.204445414 0.0582172638501008 98.9938459999037 22.5378308183311 18.6213481409511 855790.434141872 T 75 CATAB v2.0c-linF95 2014-Mar-22 10:52:13 2014-Mar-22 10:52
2083-Jan-10 17:38 < 00:01 Earth 0.240819423020849 0.240818047180052 0.240820798862902 24.8278150183863 24.8273693762557 2481870.234727203 0.0541744834661917 73.0370526209772 21.7785914696757 26.2947368338231 780598.104589343 T 75 CATAB v2.0c-linF95 2014-Mar-22 10:52:13 2014-Mar-22 10:52
2087-Jan-12 14:50 < 00:01 Earth 0.20979956507649 0.209798525526918 0.20980060462698 23.7979512715188 23.7974176011722 2483333.118322900 0.0455171713185217 55.1034272455726 21.3895842587794 28.4382718248685 778348.085793368 T 75 CATAB v2.0c-linF95 2014-Mar-22 10:52:13 2014-Mar-22 10:52
2091-Jan-15 05:50 < 00:01 Earth 0.17768556851128 0.17768464332892 0.177686493694578 22.6367058106501 22.6360433603082 2484796.743274635 0.0402382414960519 49.8031829482461 21.0837983666125 32.6527559084615 731195.199117764 T 75 CATAB v2.0c-linF95 2014-Mar-22 10:52:13 2014-Mar-22 10:52
2095-Jan-13 10:04 < 00:01 Earth 0.183857906891791 0.183856827645902 0.183858986139352 23.1313093320389 23.1306828109267 2486255.919118903 0.038235600726952 59.9764553242218 21.2700086385934 34.565301179362 743117.556862087 T 75 CATAB v2.0c-linF95 2014-Mar-22 10:52:13 2014-Mar-22 10:52
2099-Jan-05 04:46 < 00:01 Earth 0.304971207371678 0.304969709105274 0.304972705638756 27.2996025527073 27.2992825160402 2487708.698516950 0.0354248822711565 77.1309383294669 21.9948238824852 20.8034858773314 852584.10568484 T 75 CATAB v2.0c-linF95 2014-Mar-22 10:52:13 2014-Mar-22 10:52
2102-Dec-30 14:44 < 00:01 Earth 0.426675242343687 0.426673422540809 0.426677062146848 31.1338979655419 31.1336973877647 2489163.114130311 0.0345858928257331 92.5452223073389 22.6189160066754 15.2488763417669 938317.167844186 T 75 CATAB v2.0c-linF95 2014-Mar-22 10:52:13 2014-Mar-22 10:52
2105-Oct-24 19:13 < 00:01 Jupiter 1.94849599976998 1.94849411331466 1.94849788622349 11.315258666191 11.2767755621582 2490192.300842095 0.0537946554009007 26.5139455486671 20.0119867965253 17.9576450217421 2125435.7875767 T 75 CATAB v2.0c-linF95 2014-Mar-22 10:52:13 2014-Mar-22 10:52
2107-Feb-07 14:59 < 00:01 Venus 0.0748910994367865 0.074889615780278 0.0748925831074259 15.1905020349768 15.188593087843 2490663.124528519 0.132281647741046 81.29210929352 14.0580867626733 -36.7021141355243 404069.65883051 T 75 CATAB v2.0c-linF95 2014-Mar-22 10:52:13 2014-Mar-22 10:52
2117-Sep-05 18:58 < 00:01 Jupiter 1.94064213052147 1.94064027891388 1.94064398213071 11.3445129858995 11.3059738516589 2494526.290266250 0.0514876405727663 25.752479580651 19.9889111066078 18.0539748798004 2176298.08426466 T 75 CATAB v2.0c-linF95 2014-Mar-22 10:52:13 2014-Mar-22 10:52
2142-Jul-17 19:46 < 00:01 Earth 0.466795077388357 0.466793465820286 0.466796688957073 32.989811452328 32.989638427911 2503607.323780158 0.0329081895023568 84.2938260718633 15.2396141466809 -20.3216530573586 1677366.69459221 T 75 CATAB v2.0c-linF95 2014-Mar-22 10:52:13 2014-Mar-22 10:52
2146-May-24 06:47 < 00:01 Earth 0.277156101297246 0.277154863486765 0.277157339121222 15.3569214587245 15.3562954323907 2505013.782743682 0.183194179454856 55.9318986262809 8.5226840267761 54.6255190873572 3228652.53956176 T 75 CATAB v2.0c-linF95 2014-Mar-22 10:52:13 2014-Mar-22 10:52
2150-Feb-18 15:56 < 00:01 Earth 0.25588994756887 0.255889014519981 0.255890880632209 16.6302550742547 16.6296289386552 2506380.163615593 0.213124079344324 56.7322547514906 11.0580518016713 -68.4952926315531 2683032.8335837 T 75 CATAB v2.0c-linF95 2014-Mar-22 10:52:13 2014-Mar-22 10:52
2153-Dec-22 10:10 < 00:01 Earth 0.469022119818869 0.469019784876914 0.469024454761508 34.0201044475561 34.019937459867 2507782.923778024 0.064389891029363 120.093432722949 22.3608435544439 14.8719143595373 934495.736938625 T 75 CATAB v2.0c-linF95 2014-Mar-22 10:52:13 2014-Mar-22 10:52
2161-Nov-18 00:45 < 00:01 Venus 0.0988547036882868 0.0988524188545203 0.0988569886588189 17.8664648876571 17.8652353327684 2510670.531321305 0.216902991463368 195.612326707892 12.1037717207455 -56.0740200522108 878207.14937425 T 75 CATAB v2.0c-linF95 2014-Mar-22 10:52:13 2014-Mar-22 10:52
2177-Jun-02 23:49 < 00:01 Earth 0.255208945846547 0.25520513449567 0.25521275732217 15.3839878728201 15.3833092052239 2516346.492333089 0.406949342775778 176.705592411808 9.45792880929371 52.4891911415777 2594806.2950039 T 75 CATAB v2.0c-linF95 2014-Mar-22 10:52:13 2014-Mar-22 10:52
2181-Feb-05 09:58 < 00:01 Earth 0.216997152377659 0.216993625135176 0.217000679735722 16.5852891546803 16.5845487912346 2517689.915208679 0.410970961033524 180.838153007168 16.7704784228197 -52.6294322559668 1279748.51840604 T 75 CATAB v2.0c-linF95 2014-Mar-22 10:52:13 2014-Mar-22 10:52
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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