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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 78 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .706841921104066 3.0969e-08  
a 2.537978391934844 6.8545e-09 AU
q .7440288696590109 7.9503e-08 AU
i 9.554145132709081 5.1586e-06 deg
node 164.1271515546034 6.8382e-05 deg
peri 25.08382674203823 6.8438e-05 deg
M 41.83211087767929 7.5402e-06 deg
tp 2456828.891977662512
(2014-Jun-20.39197766)
3.0271e-05 JED
period 1476.829324299276
4.04
5.9829e-06
1.638e-08
d
yr
n .2437654738273919 9.8753e-10 deg/d
Q 4.331927914210678 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      2014-Dec-16 05:20:15  

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 0.272157353932453 0.272155059713775 0.272159648207399 17.1465908039371 17.1460198228406 2415066.991226107 0.459320057642554 118.956897070742 12.561980488566 -58.0914087762581 2311464.70150516 T 78 CATAB v2.0c-linF95 2014-Dec-16 05:20:21 2014-Dec-16 05:20
1904-Jan-26 01:56 < 00:01 Venus 0.0739271834282071 0.0739268592479465 0.0739275076882792 15.6511705197597 15.649293607359 2416505.580552914 0.404302588642326 139.276124381348 10.4119483420253 -83.3664988081761 880376.102230422 T 78 CATAB v2.0c-linF95 2014-Dec-16 05:20:21 2014-Dec-16 05:20
1923-Jul-05 21:15 < 00:01 Earth 0.310344688978314 0.310341542802467 0.310347835169386 27.7670948605879 27.7667856602119 2423606.385522504 0.0953606201216345 185.953535516787 13.2249783608118 -34.3437472562095 1847476.16369822 T 78 CATAB v2.0c-linF95 2014-Dec-16 05:20:21 2014-Dec-16 05:20
1927-Apr-10 18:14 < 00:01 Earth 0.346806047600036 0.34680587676691 0.34680621842803 19.183992509407 19.1835920198171 2424981.260022338 0.481940318281764 63.9142374238337 10.7351499984508 -87.083454208312 4173204.0912334 T 78 CATAB v2.0c-linF95 2014-Dec-16 05:20:21 2014-Dec-16 05:20
1931-Jan-10 22:30 < 00:01 Earth 0.151962837305053 0.151960935771676 0.151964738918731 22.2548888367131 22.2541009618923 2426352.437348046 0.126996608459585 184.498208356522 15.7352867471263 60.3149311143513 1123249.76397867 T 78 CATAB v2.0c-linF95 2014-Dec-16 05:20:21 2014-Dec-16 05:20
1931-Mar-09 11:04 < 00:01 Venus 0.126706079785805 0.126702804462761 0.126709355174634 19.4484651599765 19.4475839163327 2426409.961184855 0.180249036102473 205.025345569039 11.7452619923503 -40.3805407578453 925204.214138615 T 78 CATAB v2.0c-linF95 2014-Dec-16 05:20:21 2014-Dec-16 05:20
1942-Nov-09 03:36 < 00:01 Venus 0.0900057764559555 0.0900034405202125 0.0900081124753384 16.8457923944198 16.8443601221573 2430672.649664670 0.219588026627609 162.935656407897 12.1894276762976 -48.1997316158804 703312.675162642 T 78 CATAB v2.0c-linF95 2014-Dec-16 05:20:21 2014-Dec-16 05:20
1951-Nov-11 04:20 < 00:01 Jupiter 1.95750997503736 1.95750895984218 1.95751099023245 11.8089810066508 11.7722820342223 2433961.680882574 0.0991058466568576 22.5167622771384 16.8796243399613 75.162736454122 3327238.28664989 T 78 CATAB v2.0c-linF95 2014-Dec-16 05:20:21 2014-Dec-16 05:20
1963-Sep-12 08:18 < 00:01 Jupiter 1.86069205225336 1.86069081167231 1.86069329283374 11.3643672704212 11.3242397230909 2438284.845703542 0.090588145530595 21.6053829800117 19.0330796144742 78.0170437784286 2729156.52633354 T 78 CATAB v2.0c-linF95 2014-Dec-16 05:20:21 2014-Dec-16 05:20
1966-Jul-10 05:20 < 00:01 Earth 0.470438267131181 0.47043593051884 0.47044060374558 31.7354056831852 31.7352272125038 2439316.722520653 0.0556596499600854 125.541680303747 13.0073566325761 -22.7560297063794 2033517.05726187 T 78 CATAB v2.0c-linF95 2014-Dec-16 05:20:21 2014-Dec-16 05:20
1970-Jun-29 05:58 < 00:01 Earth 0.286132622024496 0.286130860573028 0.286134383482335 25.6253115661137 25.6249481711475 2440766.748754961 0.0586873879908214 107.279833537568 12.8340870951707 -37.1701363171039 1870326.92325997 T 78 CATAB v2.0c-linF95 2014-Dec-16 05:20:21 2014-Dec-16 05:20
1974-Jun-14 19:36 < 00:01 Earth 0.171304161720624 0.171303901850056 0.171304421591001 19.0965404659785 19.0957259511274 2442213.316701380 0.0697682016052835 79.6077754746597 11.609043870135 -84.1643616855634 1896450.88142986 T 78 CATAB v2.0c-linF95 2014-Dec-16 05:20:21 2014-Dec-16 05:20
1975-Jul-30 08:46 < 00:01 Jupiter 1.92809637266695 1.92809511332734 1.92809763200594 11.5903482036607 11.552383361805 2442623.865082997 0.0717191026805483 21.8296372031587 18.5755847003689 -87.2015339951057 2966791.62384444 T 78 CATAB v2.0c-linF95 2014-Dec-16 05:20:21 2014-Dec-16 05:20
1978-Jun-06 03:54 < 00:01 Earth 0.180202893457183 0.180202352153338 0.180203434770124 16.6633700448476 16.662482685923 2443665.662527698 0.0739017431912859 56.2326704619444 10.5137590574836 75.8263272288244 2068280.22052992 T 78 CATAB v2.0c-linF95 2014-Dec-16 05:20:21 2014-Dec-16 05:20
1982-Jun-02 00:07 < 00:01 Earth 0.194545164350781 0.194544605374249 0.194545723332211 15.7934555364758 15.7925883216818 2445122.504918714 0.0690238272349206 40.2501383601275 10.0065524486154 68.6595883017905 2223377.58964442 T 78 CATAB v2.0c-linF95 2014-Dec-16 05:20:21 2014-Dec-16 05:20
1986-May-25 03:06 < 00:01 Earth 0.218065685381413 0.218065234159192 0.218066136606185 14.9051160542743 14.9042962661788 2446575.629351455 0.0682647929215207 25.4411005909339 9.46109569735017 66.7048453801959 2568182.05328564 T 78 CATAB v2.0c-linF95 2014-Dec-16 05:20:21 2014-Dec-16 05:20
1990-May-31 20:33 < 00:01 Earth 0.188901188779253 0.188900876118269 0.188901501440581 15.6730310619532 15.6721310730786 2448043.356332427 0.0383095150465644 18.9053228822896 10.0747504737823 73.8882503811029 2221574.08629997 T 78 CATAB v2.0c-linF95 2014-Dec-16 05:20:21 2014-Dec-16 05:20
1994-Jun-11 02:08 < 00:01 Earth 0.169331753868748 0.16933148134231 0.169332026395292 18.2331856525522 18.2323226309347 2449514.589068219 0.020253126012808 12.3311550221535 10.700095949528 -45.6426863128357 1893650.06527442 T 78 CATAB v2.0c-linF95 2014-Dec-16 05:20:21 2014-Dec-16 05:20
1998-Jun-17 13:22 < 00:01 Earth 0.193027152134392 0.193026839091464 0.193027465177344 20.7546988541355 20.7540337579211 2450982.056725982 0.0155961015659405 14.4665211287098 10.6779021860668 -22.6772701231653 1864205.04559676 T 78 CATAB v2.0c-linF95 2014-Dec-16 05:20:21 2014-Dec-16 05:20
2002-Jun-26 22:16 < 00:01 Earth 0.311769958877199 0.311769442545724 0.311770475208635 25.5043718755958 25.504036781858 2452452.428072418 0.016648686415749 26.7852353358558 12.634436880058 -26.5107381075689 2077742.08595535 T 78 CATAB v2.0c-linF95 2014-Dec-16 05:20:21 2014-Dec-16 05:20
2079-Jan-04 16:54 < 00:01 Earth 0.359528033382183 0.359526295027435 0.359529771737628 28.3792686686427 28.3790075244357 2480403.204461655 0.0519043901359556 89.6133461991598 20.6581160889301 18.4517000295772 932041.123628307 T 78 CATAB v2.0c-linF95 2014-Dec-16 05:20:21 2014-Dec-16 05:20
2083-Jan-10 17:38 < 00:01 Earth 0.240819381141191 0.240818137400271 0.240820624883139 24.8278132383184 24.8273675960783 2481870.234742071 0.0477738033509889 65.7842355531295 19.9629679185576 26.0277196646462 850324.918617557 T 78 CATAB v2.0c-linF95 2014-Dec-16 05:20:21 2014-Dec-16 05:20
2087-Jan-12 14:50 < 00:01 Earth 0.209799544136829 0.20979858584609 0.209800502428328 23.797950489789 23.7974168193717 2483333.118336532 0.0399401247764573 50.5853561237581 19.5878718771011 28.126129585541 844435.061481993 T 78 CATAB v2.0c-linF95 2014-Dec-16 05:20:21 2014-Dec-16 05:20
2091-Jan-15 05:50 < 00:01 Earth 0.177685562901641 0.177684668739292 0.177686457064983 22.6367060481726 22.6360435978168 2484796.743286072 0.0361105513246432 48.4341508247206 19.3276460378812 33.0193276412144 788744.445210051 T 78 CATAB v2.0c-linF95 2014-Dec-16 05:20:21 2014-Dec-16 05:20
2095-Jan-13 10:04 < 00:01 Earth 0.183857935997542 0.183856863257364 0.183859008739759 23.1313107101343 23.1306841891585 2486255.919127812 0.0360446751355647 60.0986584751799 19.5290452347185 34.8814519765695 800300.597311185 T 78 CATAB v2.0c-linF95 2014-Dec-16 05:20:21 2014-Dec-16 05:20
2099-Jan-05 04:46 < 00:01 Earth 0.304971273059135 0.304969782375066 0.304972763743995 27.2996037928425 27.2992837562589 2487708.698525768 0.0341209529934998 76.911237915251 20.2224558312879 21.0060731889769 907203.85006575 T 78 CATAB v2.0c-linF95 2014-Dec-16 05:20:21 2014-Dec-16 05:20
2102-Dec-30 14:44 < 00:01 Earth 0.426675322651471 0.426673526290425 0.426677119012822 31.1338991408117 31.1336985630798 2489163.114139377 0.0336834675386924 91.4777392084095 20.7838112445339 15.448701725802 996861.993939042 T 78 CATAB v2.0c-linF95 2014-Dec-16 05:20:21 2014-Dec-16 05:20
2105-Oct-24 19:13 < 00:01 Jupiter 1.94849636444268 1.9484946428616 1.94849808602057 11.3152585044509 11.2767754070807 2490192.300825964 0.0527932090343012 24.250991397533 17.6320392462045 13.1567894335534 2295854.8620203 T 78 CATAB v2.0c-linF95 2014-Dec-16 05:20:21 2014-Dec-16 05:20
2107-Feb-07 14:59 < 00:01 Venus 0.0748912908902235 0.0748898657856314 0.0748927160089436 15.1905019458962 15.1885930036315 2490663.124530910 0.130657151437793 78.9788832209259 12.4451874884577 -37.3223280534563 460596.025578956 T 78 CATAB v2.0c-linF95 2014-Dec-16 05:20:21 2014-Dec-16 05:20
2117-Sep-05 18:58 < 00:01 Jupiter 1.94064248760254 1.94064080682392 1.94064416837802 11.3445126264026 11.3059734980399 2494526.290241169 0.0500290613402306 23.4330859402096 17.5931080834362 13.2150646675421 2365802.57132487 T 78 CATAB v2.0c-linF95 2014-Dec-16 05:20:21 2014-Dec-16 05:20
2142-Jul-17 19:46 < 00:01 Earth 0.466795581141016 0.4667941558636 0.466797006418869 32.9898246869493 32.9896516627884 2503607.323801603 0.029239962282116 74.3433902878803 14.8072720278718 -19.9784247601708 1740294.14264526 T 78 CATAB v2.0c-linF95 2014-Dec-16 05:20:21 2014-Dec-16 05:20
2146-May-24 06:47 < 00:01 Earth 0.277155818026897 0.277154721841176 0.27715691422289 15.356914170099 15.3562881428283 2505013.782840511 0.163342861997789 49.8883206581202 8.02434496893835 55.0630054239324 3449222.84833824 T 78 CATAB v2.0c-linF95 2014-Dec-16 05:20:21 2014-Dec-16 05:20
2150-Feb-18 15:56 < 00:01 Earth 0.255890080785599 0.255889222544993 0.255890939038154 16.6302577803444 16.6296316451727 2506380.163685341 0.192693689631785 51.6503575345009 10.3348660710742 -67.7680587562829 2857313.29366095 T 78 CATAB v2.0c-linF95 2014-Dec-16 05:20:21 2014-Dec-16 05:20
2153-Dec-22 10:10 < 00:01 Earth 0.469021719141818 0.469019578025535 0.469023860258768 34.0200900315595 34.0199230436569 2507782.923812017 0.0582047558720486 110.097848042764 20.6373183182691 14.9052570529353 1016218.22114843 T 78 CATAB v2.0c-linF95 2014-Dec-16 05:20:21 2014-Dec-16 05:20
2161-Nov-18 00:45 < 00:01 Venus 0.0988552334558878 0.0988531462502232 0.0988573207743964 17.866494150141 17.8652646038557 2510670.531403741 0.19782319517348 177.975093895143 10.6780095638281 -55.9078379628642 993485.288898029 T 78 CATAB v2.0c-linF95 2014-Dec-16 05:20:21 2014-Dec-16 05:20
2177-Jun-02 23:49 < 00:01 Earth 0.255208370854839 0.255204900461164 0.255211841352551 15.383992907623 15.3833142387198 2516346.492487734 0.372071833947682 161.141037383865 9.23991906551695 52.6449937148288 2661861.66130013 T 78 CATAB v2.0c-linF95 2014-Dec-16 05:20:21 2014-Dec-16 05:20
2181-Feb-05 09:58 < 00:01 Earth 0.216997530626225 0.216994279601151 0.217000781748592 16.5852851138415 16.584544751506 2517689.915320777 0.376841612778622 166.549674945842 15.2535057334174 -52.4912436603928 1404373.92446783 T 78 CATAB v2.0c-linF95 2014-Dec-16 05:20:21 2014-Dec-16 05:20
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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