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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 77 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7068419212316054 3.0984e-08  
a 2.537978391902016 6.8557e-09 AU
q .7440288693256948 7.9541e-08 AU
i 9.5541451406778 5.1622e-06 deg
node 164.1271515214562 6.84e-05 deg
peri 25.0838267300218 6.8456e-05 deg
M 41.8321108855722 7.5406e-06 deg
tp 2456828.891977633463
(2014-Jun-20.39197763)
3.0273e-05 JED
period 1476.829324270623
4.04
5.984e-06
1.638e-08
d
yr
n .2437654738321214 9.8771e-10 deg/d
Q 4.331927914478339 1.1702e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      580  
   # 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      .60927  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-18 05:18:08  

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 Asteroid Lightcurve DataBase (Rev. 2014-Mar-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.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 0.272157353728306 0.272155058575783 0.272159648937808 17.1465907646621 17.1460197835639 2415066.991225771 0.459522251192246 119.00715759569 12.5675496028415 -58.0930260153087 2310480.60393826 T 77 CATAB v2.0c-linF95 2014-Nov-18 05:18:14 2014-Nov-18 05:18
1904-Jan-26 01:56 < 00:01 Venus 0.073927183540838 0.0739268593365403 0.0739275078241572 15.6511705480803 15.6492936356858 2416505.580552130 0.404514920027724 139.347963949928 10.4128867174287 -83.368235860165 880299.826912774 T 77 CATAB v2.0c-linF95 2014-Nov-18 05:18:14 2014-Nov-18 05:18
1923-Jul-05 21:15 < 00:01 Earth 0.310344683176912 0.310341534292206 0.310347832077007 27.767094663715 27.7667854633311 2423606.385522062 0.0954382646359159 186.11600033314 13.2290085708431 -34.3447434442025 1846948.30998236 T 77 CATAB v2.0c-linF95 2014-Nov-18 05:18:14 2014-Nov-18 05:18
1927-Apr-10 18:14 < 00:01 Earth 0.34680604827698 0.346805877401292 0.346806219143917 19.183992613274 19.1835921236871 2424981.260021074 0.482347515902286 63.9698388709197 10.7372386171282 -87.0909259936427 4172419.03027879 T 77 CATAB v2.0c-linF95 2014-Nov-18 05:18:14 2014-Nov-18 05:18
1931-Jan-10 22:30 < 00:01 Earth 0.151962841231387 0.151960938211924 0.151964744331576 22.254889080493 22.2541012057013 2426352.437347436 0.127103015105122 184.639857005755 15.7357473219001 60.3137846532817 1123202.27003164 T 77 CATAB v2.0c-linF95 2014-Nov-18 05:18:14 2014-Nov-18 05:18
1931-Mar-09 11:04 < 00:01 Venus 0.126706072107365 0.126702793940353 0.126709350340277 19.4484647231167 19.4475834793997 2426409.961184300 0.180398318286068 205.204326435367 11.7513667410728 -40.3809840721832 924730.393276188 T 77 CATAB v2.0c-linF95 2014-Nov-18 05:18:14 2014-Nov-18 05:18
1942-Nov-09 03:36 < 00:01 Venus 0.0900057701113692 0.0900034325124695 0.0900081077940373 16.8457920100145 16.8443597376184 2430672.649663666 0.219741108696757 163.055775979437 12.194187965828 -48.2010519780897 703051.330724203 T 77 CATAB v2.0c-linF95 2014-Nov-18 05:18:14 2014-Nov-18 05:18
1951-Nov-11 04:20 < 00:01 Jupiter 1.95750997442125 1.9575089592445 1.9575109895981 11.8089810719432 11.7722820997067 2433961.680878194 0.0991957609372206 22.5226365257891 16.8804342142565 75.1827140831447 3327181.33906148 T 77 CATAB v2.0c-linF95 2014-Nov-18 05:18:14 2014-Nov-18 05:18
1963-Sep-12 08:18 < 00:01 Jupiter 1.86069205289048 1.86069081219105 1.86069329358968 11.3643673764139 11.3242398294729 2438284.845696795 0.0906675947638475 21.6109598994995 19.034723961855 78.0676677318415 2729015.62878582 T 77 CATAB v2.0c-linF95 2014-Nov-18 05:18:14 2014-Nov-18 05:18
1966-Jul-10 05:20 < 00:01 Earth 0.470438263723491 0.470435926485207 0.470440600963832 31.7354055863026 31.7352271156193 2439316.722520326 0.0556749277078598 125.575809882099 13.0137080918027 -22.7569527920364 2032622.67229095 T 77 CATAB v2.0c-linF95 2014-Nov-18 05:18:14 2014-Nov-18 05:18
1970-Jun-29 05:58 < 00:01 Earth 0.28613261963631 0.286130857830118 0.286134381448726 25.6253114831972 25.6249480882269 2440766.748754426 0.0586999483930867 107.30230380159 12.8397698016767 -37.1711235826821 1869550.5953633 T 77 CATAB v2.0c-linF95 2014-Nov-18 05:18:14 2014-Nov-18 05:18
1974-Jun-14 19:36 < 00:01 Earth 0.17130416171223 0.171303901714543 0.171304421710798 19.0965404067035 19.0957258918498 2442213.316701378 0.0697776282342105 79.618991241278 11.6148841408892 -84.1654095673414 1895500.91438768 T 77 CATAB v2.0c-linF95 2014-Nov-18 05:18:14 2014-Nov-18 05:18
1975-Jul-30 08:46 < 00:01 Jupiter 1.92809637424724 1.92809511447951 1.92809763401496 11.590348155859 11.5523833138774 2442623.865086190 0.0717839616242059 21.8361260486424 18.5806678356987 -87.1713932856762 2965958.73499169 T 77 CATAB v2.0c-linF95 2014-Nov-18 05:18:14 2014-Nov-18 05:18
1978-Jun-06 03:54 < 00:01 Earth 0.180202894191614 0.180202352747536 0.180203435645635 16.6633700055143 16.6624826465912 2443665.662527493 0.073908777614825 56.239521492901 10.5203390525047 75.8249949207055 2066977.23963178 T 77 CATAB v2.0c-linF95 2014-Nov-18 05:18:14 2014-Nov-18 05:18
1982-Jun-02 00:07 < 00:01 Earth 0.194545165200839 0.194544606114875 0.194545724291702 15.7934554960794 15.7925882812869 2445122.504918720 0.0690275517264429 40.2535413852277 10.0134341229166 68.6586964837185 2221849.56835523 T 77 CATAB v2.0c-linF95 2014-Nov-18 05:18:14 2014-Nov-18 05:18
1986-May-25 03:06 < 00:01 Earth 0.218065685915227 0.218065234619169 0.218066137213333 14.905116167547 14.9042963794597 2446575.629350541 0.0682657363854456 25.44275678829 9.46821092894909 66.7086812206123 2566358.35690766 T 77 CATAB v2.0c-linF95 2014-Nov-18 05:18:14 2014-Nov-18 05:18
1990-May-31 20:33 < 00:01 Earth 0.188901189159602 0.188900876378027 0.188901501941196 15.6730310528094 15.6721310639362 2448043.356332458 0.0383097629270664 18.9064630915684 10.0819774011916 73.8946166919397 2220065.22379132 T 77 CATAB v2.0c-linF95 2014-Nov-18 05:18:14 2014-Nov-18 05:18
1994-Jun-11 02:08 < 00:01 Earth 0.169331753999424 0.1693314813187 0.169332026680254 18.2331856543686 18.2323226327519 2449514.589068708 0.0202531641755012 12.3347314800309 10.7034261468212 -45.5301639424563 1892555.4844294 T 77 CATAB v2.0c-linF95 2014-Nov-18 05:18:14 2014-Nov-18 05:18
1998-Jun-17 13:22 < 00:01 Earth 0.193027152250921 0.193026839092726 0.193027465409231 20.7546988587992 20.7540337625854 2450982.056725193 0.0155961067923487 14.4695229977229 10.6814676409765 -22.6287791738744 1863344.67563357 T 77 CATAB v2.0c-linF95 2014-Nov-18 05:18:14 2014-Nov-18 05:18
2002-Jun-26 22:16 < 00:01 Earth 0.311769958852774 0.311769442503144 0.311770475202365 25.504371885451 25.5040367917132 2452452.428072617 0.0166488916145469 26.7852582812573 12.6414670057848 -26.5105561313381 2077126.04059263 T 77 CATAB v2.0c-linF95 2014-Nov-18 05:18:14 2014-Nov-18 05:18
2079-Jan-04 16:54 < 00:01 Earth 0.359528023733984 0.359526284274091 0.359529763194575 28.3792683765981 28.3790072323814 2480403.204462679 0.0519435721571744 89.6705258882093 20.6593037311425 18.4506986136208 931781.438561167 T 77 CATAB v2.0c-linF95 2014-Nov-18 05:18:14 2014-Nov-18 05:18
2083-Jan-10 17:38 < 00:01 Earth 0.240819372283907 0.240818127627476 0.240820616941368 24.827812952909 24.8273673106475 2481870.234742921 0.0478158964398719 65.8337235453397 19.964088123418 26.0267362691897 850092.755590587 T 77 CATAB v2.0c-linF95 2014-Nov-18 05:18:14 2014-Nov-18 05:18
2087-Jan-12 14:50 < 00:01 Earth 0.209799536787692 0.20979857783931 0.209800495736666 23.7979502359323 23.7974165654906 2483333.118336735 0.0399796081092506 50.6225065454072 19.5889409591886 28.1266697738835 844199.775087196 T 77 CATAB v2.0c-linF95 2014-Nov-18 05:18:14 2014-Nov-18 05:18
2091-Jan-15 05:50 < 00:01 Earth 0.177685557154522 0.177684662689501 0.177686451620535 22.6367058374604 22.636043387077 2484796.743286427 0.0361419797724828 48.451537569432 19.3287059355963 33.0179587110715 788617.771391022 T 77 CATAB v2.0c-linF95 2014-Nov-18 05:18:14 2014-Nov-18 05:18
2095-Jan-13 10:04 < 00:01 Earth 0.183857931275868 0.183856858464438 0.183859004089338 23.1313105373717 23.1306840163752 2486255.919128005 0.0360620146941157 60.1017865182796 19.5301900754343 34.8797826249448 800230.021350306 T 77 CATAB v2.0c-linF95 2014-Nov-18 05:18:14 2014-Nov-18 05:18
2099-Jan-05 04:46 < 00:01 Earth 0.304971269222345 0.304969778512652 0.304972759932756 27.2996036775219 27.2992836409329 2487708.698526022 0.0341307498066178 76.9122099778699 20.2234060947712 21.005308687364 907151.183434165 T 77 CATAB v2.0c-linF95 2014-Nov-18 05:18:14 2014-Nov-18 05:18
2102-Dec-30 14:44 < 00:01 Earth 0.426675320290883 0.426673523874837 0.426677116707291 31.1338990617138 31.1336984839803 2489163.114139076 0.0336892075800785 91.4802823105934 20.784734238204 15.4482099282204 996806.878679132 T 77 CATAB v2.0c-linF95 2014-Nov-18 05:18:14 2014-Nov-18 05:18
2105-Oct-24 19:13 < 00:01 Jupiter 1.94849636153587 1.94849463902552 1.94849808404598 11.3152583421267 11.2767752441451 2490192.300816116 0.0528147526687613 24.2626339774339 17.640948579074 13.1768249368206 2294899.28290991 T 77 CATAB v2.0c-linF95 2014-Nov-18 05:18:14 2014-Nov-18 05:18
2107-Feb-07 14:59 < 00:01 Venus 0.0748912913618675 0.0748898660375732 0.0748927167002215 15.19050197817 15.1885930359214 2490663.124531124 0.130661850361989 78.9877632020645 12.4513800645524 -37.3202920066623 460354.148404818 T 77 CATAB v2.0c-linF95 2014-Nov-18 05:18:14 2014-Nov-18 05:18
2117-Sep-05 18:58 < 00:01 Jupiter 1.94064248626536 1.94064080449591 1.94064416803533 11.3445126864543 11.3059735582697 2494526.290244945 0.0500521298164105 23.4456519601362 17.6020458019219 13.2362052363544 2364684.99454295 T 77 CATAB v2.0c-linF95 2014-Nov-18 05:18:14 2014-Nov-18 05:18
2142-Jul-17 19:46 < 00:01 Earth 0.46679557222516 0.466794145687514 0.466796998763332 32.9898244188727 32.9896513947071 2503607.323800839 0.0292637835996511 74.4101976152825 14.8094595050071 -19.9799663230728 1739830.79401273 T 77 CATAB v2.0c-linF95 2014-Nov-18 05:18:14 2014-Nov-18 05:18
2146-May-24 06:47 < 00:01 Earth 0.277155823220594 0.277154726140484 0.277156920312067 15.3569141797683 15.3562881525096 2505013.782839096 0.163465576325621 49.9275451252802 8.02921544403361 55.0609328563679 3447039.11598749 T 77 CATAB v2.0c-linF95 2014-Nov-18 05:18:14 2014-Nov-18 05:18
2150-Feb-18 15:56 < 00:01 Earth 0.255890076327906 0.255889217689692 0.255890934978085 16.6302578755149 16.6296317403359 2506380.163684556 0.192812733493892 51.6751824142339 10.3370675605905 -67.7710677135116 2856758.13142485 T 77 CATAB v2.0c-linF95 2014-Nov-18 05:18:14 2014-Nov-18 05:18
2153-Dec-22 10:10 < 00:01 Earth 0.469021726624058 0.469019584493282 0.469023868755501 34.0200903086263 34.0199233207277 2507782.923812130 0.058240898025624 110.151018290165 20.6379865550757 14.9061850335438 1016073.46966792 T 77 CATAB v2.0c-linF95 2014-Nov-18 05:18:14 2014-Nov-18 05:18
2161-Nov-18 00:45 < 00:01 Venus 0.0988552299992595 0.0988531416846326 0.0988573184269576 17.8664938765513 17.8652643302042 2510670.531403192 0.197928508832954 178.074991998584 10.6848274249586 -55.9090539633915 992865.64090049 T 77 CATAB v2.0c-linF95 2014-Nov-18 05:18:14 2014-Nov-18 05:18
2177-Jun-02 23:49 < 00:01 Earth 0.255208370691768 0.255204898397311 0.255211843090372 15.3839928830993 15.3833142141945 2516346.492487992 0.372263087747407 161.228248095448 9.24254882034373 52.6440208974771 2661068.66246171 T 77 CATAB v2.0c-linF95 2014-Nov-18 05:18:14 2014-Nov-18 05:18
2181-Feb-05 09:58 < 00:01 Earth 0.216997532287042 0.216994279822124 0.217000784849013 16.5852852068436 16.584544844518 2517689.915321574 0.377025917884591 166.624354907841 15.2559317838852 -52.4921123847912 1404164.74081113 T 77 CATAB v2.0c-linF95 2014-Nov-18 05:18:14 2014-Nov-18 05:18
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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