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1943 Anteros (1973 EC)
Classification: Amor [NEO]          SPK-ID: 2001943
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 350 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2559537228955741 2.0216e-08  
a 1.430475306640175 9.9552e-10 AU
q 1.064339826395434 2.8975e-08 AU
i 8.705353375726244 2.3132e-06 deg
node 246.3485704446139 1.6097e-05 deg
peri 338.361299923652 1.7315e-05 deg
M 116.0797151580116 5.926e-06 deg
tp 2456799.001040563269
(2014-May-21.50104056)
1.0315e-05 JED
period 624.9121588425659
1.71
6.5235e-07
1.786e-09
d
yr
n .5760809657900972 6.0138e-10 deg/d
Q 1.796610786884915 1.2503e-09 AU
  Orbit Determination Parameters
   # obs. used (total)      2641  
   data-arc span      15241 days (41.73 yr)  
   first obs. used      1973-03-10  
   last obs. used      2014-12-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .46097  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Dec-16 05:19:52  

Additional Information
 Earth MOID = .063908 AU 
 T_jup = 4.640 
[ 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 15.75 mag n/a PDS3 (MPC 17263)  
diameter diameter 2.3 km n/a Hazards due to Comets and Asteroids (1994), Ed. T. Gehrels, pp.540-543  
rotation period rot_per 2.867 h n/a Asteroid Lightcurve DataBase (Rev. 2014-Mar-01) Published Reference List:
[Weidenschilling, S.J.; Chapman, C.R.; Davis, D.R.; Greenberg, R.; et al. (1990) Icarus 86, 402-447.]
[Pravec, P.; Wolf, M.; Sarounova, L. (1998) Icarus 136, 124-153.]
[Warner, B.D. (2013) http://www.minorplanetobserver.com/PDO/PDOLig htcurves.htm]
geometric albedo albedo 0.17   n/a Hazards due to Comets and Asteroids (1994), Ed. T. Gehrels, pp.540-543  
B-V BV .841 mag .036 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=2; phase (min.=15.92, mean=16.51, max.=17.10) deg.
U-B UB .444 mag .061 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=2; phase (min.=15.92, mean=16.51, max.=17.10) deg.
Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices; used ground-based radiometric albedo
SMASSII spectral type spec_B L   n/a Binzel et al. (2001) Icarus 151, 139-149  

1943 Anteros (1973 EC)          Discovered 1973-Mar-13 by Gibson, J. at El Leoncito (808)
Reference: DISCOVERY.DBLast Updated: 2013-09-05

[ 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-Apr-11 07:56 < 00:01 Earth 0.41254005145525 0.412532835648855 0.412547267266168 13.2594298307719 13.2589427181686 2418042.830537046 0.0729992730130838 362.166463068949 5.36018152033299 7.24870260420907 1118490.23415504 T 350 CATAB v2.0c-linF95 2014-Dec-16 05:20:05 2014-Dec-16 05:20
1908-Jul-19 12:20 00:03 Earth 0.414862017435151 0.414857286816349 0.41486674812643 3.68000688464652 3.67826121094102 2418142.013742477 3.41180593244771 59.9386324276805 4.25433071904699 -42.8545974293913 3119098.20785837 T 350 CATAB v2.0c-linF95 2014-Dec-16 05:20:05 2014-Dec-16 05:20
1913-Feb-09 10:20 00:02 Earth 0.433463754985364 0.433463457890306 0.433464052085361 4.93026765775515 4.9290207222424 2419807.930646929 2.34336702916438 53.1278859673956 4.96829516989859 86.3672939724977 5269262.86722309 T 350 CATAB v2.0c-linF95 2014-Dec-16 05:20:05 2014-Dec-16 05:20
1913-Jun-16 14:25 < 00:01 Earth 0.424352701448636 0.424345511754794 0.424359891140425 15.1366034434799 15.136188620408 2419935.100667922 0.0823621064644512 355.101131447579 5.26714008983647 0.287088236024708 151574.085468024 T 350 CATAB v2.0c-linF95 2014-Dec-16 05:20:05 2014-Dec-16 05:20
1925-Jun-07 05:41 < 00:01 Earth 0.261249624961252 0.261242980231277 0.261256269660062 10.7101875454145 10.7092352341671 2424308.737135753 0.12091761564701 294.454272211572 4.33978521638868 4.015021914089 445045.703498507 T 350 CATAB v2.0c-linF95 2014-Dec-16 05:20:05 2014-Dec-16 05:20
1937-May-28 20:44 < 00:01 Earth 0.123201836216985 0.123197269175758 0.123206403234855 7.20218630989293 7.19918285310066 2428682.364123585 0.169617855832305 161.364759919901 3.02665879855816 19.1719809482224 1085118.79695974 T 350 CATAB v2.0c-linF95 2014-Dec-16 05:20:05 2014-Dec-16 05:20
1949-May-22 08:44 < 00:01 Earth 0.0655643187031875 0.0655638524861446 0.0655647849442905 5.73785320523425 5.73076618521273 2433058.864066789 0.0750998357089125 32.8321483642126 2.10061194026633 65.982181325099 1950702.52949909 T 350 CATAB v2.0c-linF95 2014-Dec-16 05:20:05 2014-Dec-16 05:20
1961-May-19 05:02 < 00:01 Earth 0.0654707855238037 0.0654706161962274 0.0654709548537729 5.42005451664826 5.41254067069847 2437438.709485053 0.034166252056046 10.2073596764565 1.82128954025303 -73.5677912767637 2256305.52218973 T 350 CATAB v2.0c-linF95 2014-Dec-16 05:20:05 2014-Dec-16 05:20
1973-May-12 13:39 < 00:01 Earth 0.108820710084178 0.108820192702728 0.108821227465479 5.55347191090703 5.54906119871645 2441815.068947931 0.034254130689847 13.8154358109226 2.11681132280923 -20.2306291318441 1282027.74686771 T 350 CATAB v2.0c-linF95 2014-Dec-16 05:20:05 2014-Dec-16 05:20
1985-Apr-28 05:48 < 00:01 Earth 0.235773431546108 0.235772912003509 0.235773951088356 8.19874079888289 8.1973622986383 2446183.741455121 0.0181990095968088 20.7422076379633 3.89279846239427 2.91636303537799 1042391.83847696 T 350 CATAB v2.0c-linF95 2014-Dec-16 05:20:05 2014-Dec-16 05:20
1997-Apr-14 00:13 < 00:01 Earth 0.397337702650347 0.397337332232102 0.39733807306856 12.824058304581 12.8235353837399 2450552.508957246 0.0104253544134201 17.738142802231 5.27745638686374 5.60552296936229 2650372.24078417 T 350 CATAB v2.0c-linF95 2014-Dec-16 05:20:05 2014-Dec-16 05:20
1997-Jul-17 09:05 < 00:01 Earth 0.405465748188567 0.40546558329438 0.405465913084047 3.51817617394334 3.51630783385336 2450646.878795979 0.16565147998875 6.75710339415226 2.51412144242213 -7.96177926013833 2858310.38181305 T 350 CATAB v2.0c-linF95 2014-Dec-16 05:20:05 2014-Dec-16 05:20
2002-Feb-09 10:15 < 00:01 Earth 0.440902749184786 0.440902634878033 0.440902863490474 5.09166998637161 5.09048296119806 2452314.927416898 0.0809425125759078 5.0949466017827 3.54993479943627 2.67056387701096 5385346.1833524 T 350 CATAB v2.0c-linF95 2014-Dec-16 05:20:05 2014-Dec-16 05:20
2002-Jun-18 08:01 < 00:01 Earth 0.43925802542268 0.439257714548919 0.439258336296447 15.5040652572649 15.5036740088925 2452443.833835653 0.00870503948137426 14.9172948704592 5.34370606436809 2.34290258080776 3596879.68368743 T 350 CATAB v2.0c-linF95 2014-Dec-16 05:20:05 2014-Dec-16 05:20
2014-Jun-08 20:19 < 00:01 Earth 0.273952226610989 0.273951948079982 0.273952505141916 11.0078691071487 11.0069855153099 2456817.346453512 0.0111343304359814 12.0318525704628 4.46715588414408 4.75246674201202 2444089.98756272 T 350 CATAB v2.0c-linF95 2014-Dec-16 05:20:05 2014-Dec-16 05:20
2026-May-30 08:25 < 00:01 Earth 0.132163606833162 0.132163255828653 0.132163957837478 7.39081871119618 7.3880904365274 2461190.850907471 0.0173663288348096 12.327978240771 3.16615107240069 15.9700320772185 1274581.42351147 T 350 CATAB v2.0c-linF95 2014-Dec-16 05:20:05 2014-Dec-16 05:20
2038-May-23 09:26 < 00:01 Earth 0.0664096969377082 0.06640952610128 0.0664098677753406 5.77704041629476 5.7700911854503 2465566.893112707 0.0250114446414309 9.19387257192016 2.157242411924 62.0399361378254 1884188.93586566 T 350 CATAB v2.0c-linF95 2014-Dec-16 05:20:05 2014-Dec-16 05:20
2050-May-20 09:34 < 00:01 Earth 0.0636289704076397 0.0636287105577249 0.0636292302718968 5.45116394617215 5.4434766334382 2469946.898432406 0.0576488290000046 22.0657070788386 1.84168340276573 -78.6399159905746 2224108.74659515 T 350 CATAB v2.0c-linF95 2014-Dec-16 05:20:05 2014-Dec-16 05:20
2062-May-14 21:02 < 00:01 Earth 0.0960067239735952 0.0960033195855528 0.0960101283831081 5.4684000125522 5.4633224871688 2474324.376408544 0.212768409112389 92.1983890271686 1.95641593775592 -28.173382496162 1525154.90979988 T 350 CATAB v2.0c-linF95 2014-Dec-16 05:20:05 2014-Dec-16 05:20
2074-May-01 12:28 < 00:01 Earth 0.215033378471854 0.215026729627437 0.215040027246311 7.71357594499853 7.71196938870551 2478694.019332563 0.169926720360447 257.099392605839 3.64365009756048 1.7776333516766 169768.190081992 T 350 CATAB v2.0c-linF95 2014-Dec-16 05:20:05 2014-Dec-16 05:20
2086-Apr-17 03:37 < 00:01 Earth 0.37635724260851 0.376349448056882 0.376365037157223 12.2324535077378 12.2318747340496 2483062.650917592 0.0861203454591948 382.409032812587 5.14455971777158 6.19580406260685 878628.909060017 T 350 CATAB v2.0c-linF95 2014-Dec-16 05:20:05 2014-Dec-16 05:20
2086-Jul-13 05:03 00:04 Earth 0.391493590560467 0.391487926465554 0.391499254680682 3.43292977578609 3.4309466592336 2483149.710086038 3.63981947990949 106.495644304392 3.59460665724232 -31.5320410573044 2510784.28013969 T 350 CATAB v2.0c-linF95 2014-Dec-16 05:20:05 2014-Dec-16 05:20
2091-Feb-08 22:28 00:02 Earth 0.450634621991135 0.450632370681844 0.450636873467367 5.29671202590854 5.29559560692747 2484821.436228104 2.34356767375494 59.5044329290378 5.14874342789313 -86.5512916984285 5609761.10684114 T 350 CATAB v2.0c-linF95 2014-Dec-16 05:20:05 2014-Dec-16 05:20
2091-Jun-20 09:48 < 00:01 Earth 0.458684141744846 0.458676251622572 0.458692031868296 15.994333116318 15.9939699233549 2484952.908011580 0.0833050168479946 394.059985533185 5.42893930725915 -0.357937455889157 156392.074084508 T 350 CATAB v2.0c-linF95 2014-Dec-16 05:20:05 2014-Dec-16 05:20
2098-Aug-11 14:30 00:03 Earth 0.492641957021471 0.492638070171768 0.492645843941874 5.08723614055527 5.08617286837628 2487562.104285922 2.55601174522673 24.5058815902287 3.52583571689145 -11.9451451757451 2171373.79744851 T 350 CATAB v2.0c-linF95 2014-Dec-16 05:20:05 2014-Dec-16 05:20
2103-Jun-11 17:05 < 00:01 Earth 0.28950920920173 0.289501339975665 0.289517078395151 11.3795977549326 11.3787889598603 2489326.211487349 0.129369653060351 358.80273513185 4.56776458203869 2.62283525736401 320414.486277578 T 350 CATAB v2.0c-linF95 2014-Dec-16 05:20:05 2014-Dec-16 05:20
2115-Jun-01 17:53 < 00:01 Earth 0.13959442507985 0.139588145450426 0.139600704648376 7.54230348096737 7.53977235850652 2493699.245002871 0.206940543980795 226.258768411236 3.2491703945208 14.6483800979074 910538.568427289 T 350 CATAB v2.0c-linF95 2014-Dec-16 05:20:05 2014-Dec-16 05:20
2127-May-24 21:52 < 00:01 Earth 0.065067431213203 0.0650663902887424 0.065068472244834 5.75065997859395 5.74353472803042 2498074.410975507 0.150563380868964 68.9539576543182 2.1315378507383 64.6100865053062 1889640.86592128 T 350 CATAB v2.0c-linF95 2014-Dec-16 05:20:05 2014-Dec-16 05:20
2139-May-20 15:24 < 00:01 Earth 0.0683501885827762 0.0683480048712932 0.0683523725148151 5.40422370652024 5.39700549751079 2502453.141789736 0.253539262298889 95.1390178974366 1.77315209090609 -61.3243756520793 2204759.57332833 T 350 CATAB v2.0c-linF95 2014-Dec-16 05:20:05 2014-Dec-16 05:20
2151-May-10 11:57 < 00:01 Earth 0.14815082702806 0.148138276288877 0.148163377401864 6.26779946162207 6.26492939070137 2506825.997771448 0.50491059228546 388.200014412909 2.74056575824862 -6.62816263254714 456170.859118183 T 350 CATAB v2.0c-linF95 2014-Dec-16 05:20:05 2014-Dec-16 05:20
2163-Apr-25 13:38 < 00:01 Earth 0.297836555781173 0.297819266325527 0.297853845080581 10.0374250218565 10.0365337066325 2511194.067867515 0.271921487604184 787.949603772301 4.54949825233218 4.8991340865209 559654.961394257 T 350 CATAB v2.0c-linF95 2014-Dec-16 05:20:05 2014-Dec-16 05:20
2168-Feb-03 10:33 00:04 Earth 0.486719932662064 0.486712123909649 0.486727741837339 6.23957154649487 6.23869412353953 2512938.939284156 4.17864012405953 161.239800271525 5.39448082705387 -71.7079228072955 6260555.87424713 T 350 CATAB v2.0c-linF95 2014-Dec-16 05:20:05 2014-Dec-16 05:20
2175-Apr-12 16:52 < 00:01 Earth 0.468371295888036 0.468352431155707 0.468390160671588 14.9802397927559 14.9798600331003 2515564.202669547 0.153930045122119 960.584428782616 5.65532853464817 6.51782176004961 1128791.5432903 T 350 CATAB v2.0c-linF95 2014-Dec-16 05:20:05 2014-Dec-16 05:20
2175-Aug-03 19:01 00:08 Earth 0.45112145688828 0.451110732051738 0.451132182329223 4.18529113530586 4.1838796822568 2515677.292554247 7.95343215289695 72.4670157266664 4.59361618821715 -45.7201499707204 3704048.75084178 T 350 CATAB v2.0c-linF95 2014-Dec-16 05:20:05 2014-Dec-16 05:20
2180-Feb-23 19:38 00:10 Earth 0.403547331862051 0.403542126402719 0.403552537393155 3.67213175889887 3.6703332773566 2517342.318378283 10.0373115307659 116.879293479105 3.6495297203345 46.0185933466396 3725476.71462924 T 350 CATAB v2.0c-linF95 2014-Dec-16 05:20:05 2014-Dec-16 05:20
2180-Jun-16 04:00 < 00:01 Earth 0.366981687344981 0.366962636052616 0.367000738573047 13.4151037147047 13.4145624836722 2517455.666993848 0.24836664931699 918.590083120729 5.02998026337653 0.579950510326024 95499.9456982334 T 350 CATAB v2.0c-linF95 2014-Dec-16 05:20:05 2014-Dec-16 05:20
2192-Jun-06 02:01 < 00:01 Earth 0.203857346420087 0.203839713551852 0.203874978903545 9.07900521859095 9.07756548492371 2521828.584004215 0.4090130256388 717.037889765706 3.89582297318182 6.47070017988416 556249.507604496 T 350 CATAB v2.0c-linF95 2014-Dec-16 05:20:05 2014-Dec-16 05:20
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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