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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 79 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7068419211245049 3.0969e-08  
a 2.537978391943723 6.8545e-09 AU
q .7440288696097401 7.9503e-08 AU
i 9.554145133038814 5.1586e-06 deg
node 164.1271515587742 6.8382e-05 deg
peri 25.08382673657105 6.8438e-05 deg
M 41.83211087277071 7.5402e-06 deg
tp 2456828.891977681748
(2014-Jun-20.39197768)
3.0271e-05 JED
period 1476.829324307026
4.04
5.9829e-06
1.638e-08
d
yr
n .2437654738261127 9.8753e-10 deg/d
Q 4.331927914277706 1.17e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      589  
   # delay obs. used      0  
   # Doppler obs. used      1  
   data-arc span      12025 days (32.92 yr)  
   first obs. used      1981-12-16  
   last obs. used      2014-11-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .60478  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 00:24:44  

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-Feb); 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 0.272157353870985 0.272155059652567 0.272159648145671 17.1465909845882 17.1460200034977 2415066.991226746 0.45931997631524 118.956881647849 12.561980622036 -58.0914065810909 2311464.63074881 T 79 CATAB v2.0c-linF95 2015-Jan-08 00:24:47 2015-Jan-08 00:24
1904-Jan-26 01:56 < 00:01 Venus 0.0739271833436622 0.0739268591633687 0.0739275076037672 15.6511705169883 15.6492936045851 2416505.580553106 0.404302502523661 139.276092337408 10.4119493228626 -83.3664973705513 880376.015707171 T 79 CATAB v2.0c-linF95 2015-Jan-08 00:24:47 2015-Jan-08 00:24
1923-Jul-05 21:15 < 00:01 Earth 0.310344693278011 0.310341547102526 0.310347839468857 27.767095010553 27.766785810183 2423606.385522574 0.0953606116735098 185.953514518969 13.224977809434 -34.3437473464716 1847476.27331503 T 79 CATAB v2.0c-linF95 2015-Jan-08 00:24:47 2015-Jan-08 00:24
1927-Apr-10 18:14 < 00:01 Earth 0.346806047238783 0.346805876407899 0.346806218066767 19.1839925105998 19.1835920210096 2424981.260022743 0.481940286020465 63.9142347236624 10.7351503152805 -87.0834572471906 4173203.97476745 T 79 CATAB v2.0c-linF95 2015-Jan-08 00:24:47 2015-Jan-08 00:24
1931-Jan-10 22:30 < 00:01 Earth 0.151962834522282 0.151960932989066 0.151964736135797 22.25488865566 22.2541007808184 2426352.437348280 0.126996605202028 184.498201062876 15.7352865667748 60.3149326008604 1123249.77097771 T 79 CATAB v2.0c-linF95 2015-Jan-08 00:24:47 2015-Jan-08 00:24
1931-Mar-09 11:04 < 00:01 Venus 0.126706084908594 0.12670280958558 0.126709360297392 19.4484654665091 19.4475842229149 2426409.961185649 0.180249024127371 205.025339599271 11.7452623315702 -40.3805393310917 925204.201396891 T 79 CATAB v2.0c-linF95 2015-Jan-08 00:24:47 2015-Jan-08 00:24
1942-Nov-09 03:36 < 00:01 Venus 0.090005781451286 0.0900034455153304 0.0900081174708814 16.845792697627 16.8443604254697 2430672.649665703 0.219588020647653 162.935665623263 12.1894275481593 -48.1997297129501 703312.704169559 T 79 CATAB v2.0c-linF95 2015-Jan-08 00:24:47 2015-Jan-08 00:24
1951-Nov-11 04:20 < 00:01 Jupiter 1.95750997807456 1.95750896287907 1.95751099326965 11.80898097108 11.7722819985976 2433961.680885657 0.0991058499520215 22.516762474356 16.8796238856129 75.1627324795467 3327238.34143532 T 79 CATAB v2.0c-linF95 2015-Jan-08 00:24:47 2015-Jan-08 00:24
1963-Sep-12 08:18 < 00:01 Jupiter 1.86069205572855 1.86069081514796 1.86069329630892 11.3643673481564 11.3242398011766 2438284.845699725 0.0905881471904153 21.6053832134763 19.0330793348384 78.0170410968996 2729156.58134913 T 79 CATAB v2.0c-linF95 2015-Jan-08 00:24:47 2015-Jan-08 00:24
1966-Jul-10 05:20 < 00:01 Earth 0.470438275087367 0.470435938475023 0.470440611701768 31.7354059370991 31.7352274664221 2439316.722520919 0.0556596487543594 125.541680044317 13.007356666177 -22.7560292287119 2033517.05104632 T 79 CATAB v2.0c-linF95 2015-Jan-08 00:24:47 2015-Jan-08 00:24
1970-Jun-29 05:58 < 00:01 Earth 0.286132628517229 0.286130867065738 0.286134389975183 25.6253118046633 25.6249484097088 2440766.748755498 0.0586873870752571 107.279833595675 12.8340871227034 -37.1701353659965 1870326.92514943 T 79 CATAB v2.0c-linF95 2015-Jan-08 00:24:47 2015-Jan-08 00:24
1974-Jun-14 19:36 < 00:01 Earth 0.17130416211739 0.171303902246784 0.171304421988882 19.0965406568832 19.0957261420421 2442213.316701862 0.0697682001820552 79.6077759637031 11.6090439215159 -84.1643596851546 1896450.87562165 T 79 CATAB v2.0c-linF95 2015-Jan-08 00:24:47 2015-Jan-08 00:24
1975-Jul-30 08:46 < 00:01 Jupiter 1.9280963751246 1.92809511578469 1.92809763446389 11.5903481334699 11.552383291432 2442623.865088081 0.0717191034657278 21.8296370809217 18.5755844897404 -87.2015328815971 2966791.64313369 T 79 CATAB v2.0c-linF95 2015-Jan-08 00:24:47 2015-Jan-08 00:24
1978-Jun-06 03:54 < 00:01 Earth 0.180202891877035 0.180202350573207 0.180203433189959 16.6633701644367 16.6624828055107 2443665.662528597 0.0739017420170088 56.2326712795599 10.5137591275306 75.8263281702724 2068280.20142725 T 79 CATAB v2.0c-linF95 2015-Jan-08 00:24:47 2015-Jan-08 00:24
1982-Jun-02 00:07 < 00:01 Earth 0.194545162560121 0.19454460358359 0.194545721541551 15.7934556146767 15.792588399879 2445122.504919415 0.0690238271959964 40.2501390811895 10.0065525022697 68.659588654627 2223377.56562472 T 79 CATAB v2.0c-linF95 2015-Jan-08 00:24:47 2015-Jan-08 00:24
1986-May-25 03:06 < 00:01 Earth 0.218065683651368 0.218065232429139 0.218066134876148 14.905116099161 14.9042963110615 2446575.629351954 0.0682647949576686 25.4411011443987 9.46109571772584 66.704845462689 2568182.03022749 T 79 CATAB v2.0c-linF95 2015-Jan-08 00:24:47 2015-Jan-08 00:24
1990-May-31 20:33 < 00:01 Earth 0.18890118796166 0.188900875300348 0.188901500622991 15.6730311073763 15.6721311185005 2448043.356332728 0.0383095166783742 18.905323025454 10.0747505109 73.888249914657 2221574.06680485 T 79 CATAB v2.0c-linF95 2015-Jan-08 00:24:47 2015-Jan-08 00:24
1994-Jun-11 02:08 < 00:01 Earth 0.169331753915631 0.169331481389192 0.169332026442176 18.2331856882958 18.2323226666802 2449514.589068870 0.0202531268328221 12.3311546770262 10.700096093231 -45.64268242684 1893650.05617033 T 79 CATAB v2.0c-linF95 2015-Jan-08 00:24:47 2015-Jan-08 00:24
1998-Jun-17 13:22 < 00:01 Earth 0.193027152400848 0.193026839358014 0.193027465443796 20.7546988716151 20.7540337754022 2450982.056726046 0.0155961017996985 14.4665207938925 10.6779021299039 -22.6772673037769 1864205.05932796 T 79 CATAB v2.0c-linF95 2015-Jan-08 00:24:47 2015-Jan-08 00:24
2002-Jun-26 22:16 < 00:01 Earth 0.31176995887473 0.311769442543254 0.311770475206265 25.5043718740315 25.5040367802936 2452452.428072191 0.016648686410805 26.7852353461745 12.6344368738968 -26.510738140574 2077742.08706017 T 79 CATAB v2.0c-linF95 2015-Jan-08 00:24:47 2015-Jan-08 00:24
2079-Jan-04 16:54 < 00:01 Earth 0.359528031970232 0.359526293615562 0.3595297703256 28.3792686291861 28.3790074849777 2480403.204461533 0.0519043902806662 89.6133406918968 20.6581160982541 18.4516970688499 932041.045498824 T 79 CATAB v2.0c-linF95 2015-Jan-08 00:24:47 2015-Jan-08 00:24
2083-Jan-10 17:38 < 00:01 Earth 0.240819380265166 0.240818136524395 0.240820624006966 24.8278132143328 24.8273675720907 2481870.234742024 0.0477738029700115 65.7842293848484 19.9629674665354 26.0277132484015 850324.823755822 T 79 CATAB v2.0c-linF95 2015-Jan-08 00:24:47 2015-Jan-08 00:24
2087-Jan-12 14:50 < 00:01 Earth 0.209799543764881 0.209798585474132 0.209800502056388 23.7979504816794 23.797416811261 2483333.118336420 0.03994012413767 50.5853515771972 19.5878705757919 28.1261176202461 844434.938905052 T 79 CATAB v2.0c-linF95 2015-Jan-08 00:24:47 2015-Jan-08 00:24
2091-Jan-15 05:50 < 00:01 Earth 0.177685563096495 0.177684668934154 0.177686457259937 22.6367060674247 22.6360436170702 2484796.743286416 0.0361105507310227 48.4341506473978 19.3276444243228 33.01931510081 788744.332589337 T 79 CATAB v2.0c-linF95 2015-Jan-08 00:24:47 2015-Jan-08 00:24
2095-Jan-13 10:04 < 00:01 Earth 0.183857937257693 0.183856864517375 0.183859010000154 23.1313107654011 23.1306842444312 2486255.919127830 0.0360446754855789 60.0986619138337 19.5290444587103 34.8814449290596 800300.517321089 T 79 CATAB v2.0c-linF95 2015-Jan-08 00:24:47 2015-Jan-08 00:24
2099-Jan-05 04:46 < 00:01 Earth 0.304971275618954 0.304969784934766 0.30497276630386 27.2996038800981 27.2992838435181 2487708.698525521 0.0341209534633618 76.911242549209 20.2224554520855 21.006070157651 907203.772993093 T 79 CATAB v2.0c-linF95 2015-Jan-08 00:24:47 2015-Jan-08 00:24
2102-Dec-30 14:44 < 00:01 Earth 0.426675326045313 0.426673529684159 0.426677122406773 31.1338992392593 31.1336986615297 2489163.114138708 0.0336834678278953 91.4777442055875 20.7838110801159 15.4487006583598 996861.946928363 T 79 CATAB v2.0c-linF95 2015-Jan-08 00:24:47 2015-Jan-08 00:24
2105-Oct-24 19:13 < 00:01 Jupiter 1.94849636564698 1.94849464406584 1.94849808722676 11.315258555607 11.2767754584352 2490192.300828707 0.0527932110747474 24.2509922423307 17.6320393519604 13.1567880976952 2295854.78958042 T 79 CATAB v2.0c-linF95 2015-Jan-08 00:24:47 2015-Jan-08 00:24
2107-Feb-07 14:59 < 00:01 Venus 0.074891287786692 0.0748898626821391 0.0748927129053728 15.1905017968623 15.1885928544999 2490663.124530254 0.130657157951793 78.9788809552716 12.4451872938572 -37.3223281664425 460596.013609766 T 79 CATAB v2.0c-linF95 2015-Jan-08 00:24:47 2015-Jan-08 00:24
2117-Sep-05 18:58 < 00:01 Jupiter 1.94064248867991 1.94064080790102 1.94064416945567 11.3445127048176 11.3059735767436 2494526.290245648 0.0500290703717566 23.4330888168308 17.5931086929282 13.2150495681654 2365802.21340965 T 79 CATAB v2.0c-linF95 2015-Jan-08 00:24:47 2015-Jan-08 00:24
2142-Jul-17 19:46 < 00:01 Earth 0.466795577448199 0.466794152172378 0.466797002724457 32.9898245734444 32.9896515492815 2503607.323801675 0.0292399392439859 74.3433077687052 14.8072722317013 -19.9784280576176 1740294.75949993 T 79 CATAB v2.0c-linF95 2015-Jan-08 00:24:47 2015-Jan-08 00:24
2146-May-24 06:47 < 00:01 Earth 0.277155820013105 0.277154723828185 0.277156916208295 15.356914088342 15.3562880610724 2505013.782840412 0.163342740933985 49.8882798255829 8.02434469798745 55.0630017090491 3449222.86663514 T 79 CATAB v2.0c-linF95 2015-Jan-08 00:24:47 2015-Jan-08 00:24
2150-Feb-18 15:56 < 00:01 Earth 0.255890079715095 0.255889221474808 0.255890937966387 16.6302577848121 16.6296316496379 2506380.163685010 0.192693585957999 51.6503323690985 10.334876151902 -67.7680573440245 2857310.49519152 T 79 CATAB v2.0c-linF95 2015-Jan-08 00:24:47 2015-Jan-08 00:24
2153-Dec-22 10:10 < 00:01 Earth 0.469021721379843 0.46901958026438 0.469023862495972 34.0200901339219 34.0199231460207 2507782.923812248 0.0582047331946887 110.097805508184 20.637318646767 14.9052569698497 1016218.34212692 T 79 CATAB v2.0c-linF95 2015-Jan-08 00:24:47 2015-Jan-08 00:24
2161-Nov-18 00:45 < 00:01 Venus 0.0988552317202342 0.0988531445155084 0.0988573190380584 17.866494020117 17.8652644738012 2510670.531403503 0.19782315151769 177.975045192168 10.6780092792685 -55.9078399682681 993485.319942944 T 79 CATAB v2.0c-linF95 2015-Jan-08 00:24:47 2015-Jan-08 00:24
2177-Jun-02 23:49 < 00:01 Earth 0.255208372919782 0.255204902526395 0.255211843417206 15.3839929534936 15.3833142845979 2516346.492486876 0.372071812690033 161.141022395112 9.23991877556769 52.64499359741 2661861.76527437 T 79 CATAB v2.0c-linF95 2015-Jan-08 00:24:47 2015-Jan-08 00:24
2181-Feb-05 09:58 < 00:01 Earth 0.216997529359696 0.216994278334789 0.217000780481896 16.5852850883746 16.5845447260336 2517689.915320192 0.376841584253852 166.549666282763 15.2535067134865 -52.4912434076622 1404373.82147441 T 79 CATAB v2.0c-linF95 2015-Jan-08 00:24:47 2015-Jan-08 00:24
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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