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12538 (1998 OH)
Classification: Apollo [NEO, PHA]          SPK-ID: 2012538
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 119 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .406045454488058 1.9709e-07  
a 1.541404103851267 2.4934e-08 AU
q .9155239739532217 3.1546e-07 AU
i 24.52660132046865 1.2306e-05 deg
node 220.7580003219099 2.017e-05 deg
peri 321.6974768328434 3.6503e-05 deg
M 263.3386353006852 9.2339e-05 deg
tp 2457188.182428730019
(2015-Jun-14.68242873)
0.00018355 JED
period 698.9935901793222
1.91
1.696e-05
4.643e-08
d
yr
n .5150261820106883 1.2497e-08 deg/d
Q 2.167284233749313 3.5058e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      501  
   data-arc span      8409 days (23.02 yr)  
   first obs. used      1991-10-10  
   last obs. used      2014-10-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .59636  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-19 06:15:58  

Additional Information
 Earth MOID = .0275607 AU 
 T_jup = 4.281 
[ 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 MPO253452  
SMASSII spectral type spec_B S:   n/a Binzel et al. (2004) Icarus 170, 259-294 SMASSIR data only, classification consistent with specified type, but uncertain

12538 (1998 OH)          Discovered 1998-Jul-19 by JPL/GEODSS NEAT at Haleakala (566)
Reference: 19991123/Numbers.arcLast Updated: 2004-04-19

[ 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
1908-May-30 12:25 < 00:01 Earth 0.4284969332418 0.428494421672761 0.428499444812499 24.0427607775115 24.0425021452845 2418092.017364195 0.0334020417436932 128.152909502723 13.6332008733216 -21.3269192200411 1607618.36375241 T 119 CATAB v2.0c-linF95 2014-Oct-19 06:16:01 2014-Oct-19 06:16
1910-Apr-24 00:34 < 00:01 Earth 0.107629645211802 0.107626912577241 0.10763237785438 14.8273807943996 14.8257110866591 2418785.523824666 0.124624458222353 111.724977374446 32.0652410680065 17.3839914317641 162559.358989234 T 119 CATAB v2.0c-linF95 2014-Oct-19 06:16:01 2014-Oct-19 06:16
1931-May-07 08:20 00:01 Earth 0.0620407456204053 0.062008735557601 0.0620727599516289 16.4807094302843 16.4781033140308 2426468.847496106 1.2688814222787 1531.35142477053 26.6689450456842 -28.0948625727079 135615.142254473 T 119 CATAB v2.0c-linF95 2014-Oct-19 06:16:01 2014-Oct-19 06:16
1933-Mar-01 14:31 00:01 Earth 0.437294714026781 0.437268131931791 0.437321298002413 15.9501252395582 15.9497432255993 2427133.105065254 1.3021027240812 1757.38086585044 20.7609464579974 35.8572738516331 1513000.71154172 T 119 CATAB v2.0c-linF95 2014-Oct-19 06:16:01 2014-Oct-19 06:16
1952-May-23 20:45 < 00:01 Earth 0.31611036340038 0.316084256226209 0.316136470542009 21.4052381057287 21.4048443221928 2434156.364731120 0.63208569749155 1268.17252186762 23.8537578258387 -11.1680931845878 341871.681867834 T 119 CATAB v2.0c-linF95 2014-Oct-19 06:16:01 2014-Oct-19 06:16
1954-Apr-12 23:18 00:01 Earth 0.212154460661851 0.212130626797916 0.212178294882744 14.6120456954756 14.6111861636909 2434845.470527711 1.11709941416834 1022.71400818244 27.6160056295407 21.1173526861238 329822.328921546 T 119 CATAB v2.0c-linF95 2014-Oct-19 06:16:01 2014-Oct-19 06:16
1975-May-04 23:15 < 00:01 Earth 0.0372124338202858 0.0372059313125932 0.0372189378580186 16.0510453212979 16.0465838169322 2442537.468893734 0.376629541370007 415.112996186626 23.8051573688479 -49.2990862278402 145568.777321457 T 119 CATAB v2.0c-linF95 2014-Oct-19 06:16:01 2014-Oct-19 06:16
1977-Feb-24 06:06 < 00:01 Earth 0.453927765330966 0.453920711820396 0.453934819018396 16.0689650359722 16.0685997418877 2443198.753976617 0.300136193450931 501.213636906724 17.2327154964868 39.1964895748731 2047921.0664802 T 119 CATAB v2.0c-linF95 2014-Oct-19 06:16:01 2014-Oct-19 06:16
1996-May-27 17:14 < 00:01 Earth 0.379293724255453 0.379291659705712 0.379295788805462 22.8197629138848 22.8194550714387 2450231.218310965 0.0741737345366774 101.087739534006 25.1573521489074 -6.54953219837433 551731.688486596 T 119 CATAB v2.0c-linF95 2014-Oct-19 06:16:01 2014-Oct-19 06:16
1998-Jan-03 03:01 < 00:01 Earth 0.48879499208733 0.488794858463557 0.488795125710517 9.33258867719804 9.33200456392509 2450816.625717541 0.246367161166969 115.219265279419 26.6680848714749 77.5435187029725 1721129.84615311 T 119 CATAB v2.0c-linF95 2014-Oct-19 06:16:01 2014-Oct-19 06:16
1998-Apr-20 10:54 < 00:01 Earth 0.143809794645753 0.143807647721107 0.143811941577293 14.682267912273 14.681005941169 2450923.954137413 0.101052368074085 93.3671725394882 31.0308382953895 26.7525888654793 297596.203350723 T 119 CATAB v2.0c-linF95 2014-Oct-19 06:16:01 2014-Oct-19 06:16
2019-May-16 09:49 < 00:01 Earth 0.186827017314505 0.186817294440466 0.186836740194978 18.6664344711899 18.6656704239791 2458619.909204652 0.283623981572291 452.566114645008 25.1729362483485 -15.261412643756 255856.585863661 T 119 CATAB v2.0c-linF95 2014-Oct-19 06:16:01 2014-Oct-19 06:16
2021-Mar-28 03:07 < 00:01 Earth 0.325186791318782 0.325177606989238 0.32519597567737 15.2475384785715 15.2470010913005 2459301.629663038 0.451908434649371 448.095842979659 27.4008680500695 23.3989231371063 574681.341135507 T 119 CATAB v2.0c-linF95 2014-Oct-19 06:16:01 2014-Oct-19 06:16
2042-May-03 07:22 < 00:01 Earth 0.0292084215374911 0.0292058937164305 0.0292109583721159 15.8226478419477 15.8168814487733 2467007.806800224 0.626316120192829 692.646149202751 26.2871201031493 -81.280606921973 134122.130695654 T 119 CATAB v2.0c-linF95 2014-Oct-19 06:16:01 2014-Oct-19 06:16
2044-Feb-20 13:40 < 00:01 Earth 0.467392229137076 0.467373067575472 0.467411392034952 16.2226117131338 16.2222603025807 2467666.069178241 0.94695685445711 1363.19933598577 19.004728479227 37.0933808959254 1829010.7068787 T 119 CATAB v2.0c-linF95 2014-Oct-19 06:16:01 2014-Oct-19 06:16
2063-May-29 22:21 00:03 Earth 0.402991533967211 0.402852487853547 0.403130580454765 23.3382542435012 23.3379709408078 2474704.431284057 2.92953737616856 6897.86361777023 22.4736306475441 -11.6143555632625 487136.804160129 T 119 CATAB v2.0c-linF95 2014-Oct-19 06:16:01 2014-Oct-19 06:16
2065-Apr-22 23:35 00:06 Earth 0.115877235392683 0.115733583894478 0.116020916512485 14.8249787277565 14.8234276167736 2475398.482332253 6.43456124630571 6004.60433463055 27.0979506264384 20.249340360857 176774.64552483 T 119 CATAB v2.0c-linF95 2014-Oct-19 06:16:01 2014-Oct-19 06:16
2086-May-19 12:46 00:05 Earth 0.237892689578885 0.237694171041708 0.23809120550487 19.6665264129586 19.6659568917664 2483095.031632742 5.3590391650338 9393.36729889156 23.6138428868982 -12.6629741698476 287195.199976614 T 119 CATAB v2.0c-linF95 2014-Oct-19 06:16:01 2014-Oct-19 06:16
2088-Apr-04 11:02 00:09 Earth 0.275870499495869 0.275685540076819 0.276055471988301 14.9576049800822 14.9569592449574 2483780.959658892 8.72691513756477 8491.85872939447 26.2978015931189 22.648711440289 484394.820562063 T 119 CATAB v2.0c-linF95 2014-Oct-19 06:16:01 2014-Oct-19 06:16
2109-May-08 12:46 00:07 Earth 0.0700922790661251 0.0699149624294496 0.0702696897425408 16.5982220609275 16.5959316649616 2491484.031857424 6.78286665430166 8358.94303614948 25.2572087019542 -26.0517971923953 151141.554446007 T 119 CATAB v2.0c-linF95 2014-Oct-19 06:16:01 2014-Oct-19 06:16
2111-Mar-10 21:33 00:07 Earth 0.420517592736771 0.420376417093787 0.420658799564205 16.1889180287653 16.1885266334591 2492155.397827779 6.58187972519699 8467.18470161449 20.6885631813148 31.852505876566 1321549.95521676 T 119 CATAB v2.0c-linF95 2014-Oct-19 06:16:01 2014-Oct-19 06:16
2130-Jun-05 10:02 < 00:01 Earth 0.498908185134821 0.498888363544467 0.498928006753374 25.6028467817087 25.6026381860624 2499181.918333216 0.381579643757035 1002.67166248472 22.412871481165 -10.7917949124553 575350.975938497 T 119 CATAB v2.0c-linF95 2014-Oct-19 06:16:01 2014-Oct-19 06:16
2132-May-02 06:53 00:02 Earth 0.0317246767822863 0.0317077511382364 0.0317416457203456 15.6049053736276 15.5995223172961 2499878.786658684 1.55315702386759 1642.96324317025 26.5131603279795 65.7955837269161 132659.511515566 T 119 CATAB v2.0c-linF95 2014-Oct-19 06:16:01 2014-Oct-19 06:16
2134-Feb-14 23:36 00:02 Earth 0.4860384213362 0.485986432349864 0.486090422161068 16.5053218956242 16.5049897549016 2500532.483562413 2.10075376739632 3910.80299831163 18.5011100658161 39.5162836725813 2072270.19515893 T 119 CATAB v2.0c-linF95 2014-Oct-19 06:16:01 2014-Oct-19 06:16
2153-May-26 10:33 00:10 Earth 0.334639625903574 0.334220036803417 0.335059211372697 21.7230176657268 21.7226511281543 2507572.939297588 9.81776231343165 20486.2570472532 22.9160884137618 -11.8501903472392 398882.539676419 T 119 CATAB v2.0c-linF95 2014-Oct-19 06:16:01 2014-Oct-19 06:16
2155-Apr-17 12:19 00:20 Earth 0.184060069063015 0.183626464521245 0.184493797394104 14.6963902396208 14.6954051932949 2508264.013029356 19.8207230461959 18278.9792716645 27.2025687759183 19.3240286931075 266681.844484821 T 119 CATAB v2.0c-linF95 2014-Oct-19 06:16:01 2014-Oct-19 06:16
2176-May-13 19:40 00:23 Earth 0.144481411591333 0.14375835467498 0.145204531082314 17.8348727857782 17.8338387324066 2515961.319573974 22.9987245184134 33118.1483423061 24.4651992347195 -15.4632141212167 199508.817774529 T 119 CATAB v2.0c-linF95 2014-Oct-19 06:16:01 2014-Oct-19 06:16
2178-Mar-24 12:48 00:30 Earth 0.358202187801639 0.357553302418328 0.35885135009347 15.6900432375328 15.6895691412571 2516641.033211306 29.5279257157603 33850.9337410045 23.7233368352193 26.9796003873676 835230.29738897 T 119 CATAB v2.0c-linF95 2014-Oct-19 06:16:01 2014-Oct-19 06:16
2199-May-02 14:11 00:29 Earth 0.0348030416694756 0.0343898918213238 0.0352278734365028 15.5528844046895 15.5479611426179 2524350.090728219 29.1037456133742 30630.9957899758 26.2186104206402 56.9090371789923 135023.891166166 T 119 CATAB v2.0c-linF95 2014-Oct-19 06:16:01 2014-Oct-19 06:16
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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