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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 342 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2559537219466486 2.0298e-08  
a 1.430475306667698 9.9664e-10 AU
q 1.064339827773327 2.9096e-08 AU
i 8.705352984638658 2.3247e-06 deg
node 246.3485689757177 1.6117e-05 deg
peri 338.3613012184155 1.7331e-05 deg
M 116.079715232142 5.9264e-06 deg
tp 2456799.001040428773
(2014-May-21.50104043)
1.0316e-05 JED
period 624.9121588606014
1.71
6.5308e-07
1.788e-09
d
yr
n .576080965773471 6.0205e-10 deg/d
Q 1.796610785562069 1.2517e-09 AU
  Orbit Determination Parameters
   # obs. used (total)      2595  
   data-arc span      15206 days (41.63 yr)  
   first obs. used      1973-03-10  
   last obs. used      2014-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .46015  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-27 06:16:07  

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 0.412540137335198 0.412532917802252 0.41254735687267 13.2594321566852 13.2589450442688 2418042.830532693 0.0730210896009399 362.351419047143 5.37612260905169 7.2494642645349 1115325.92704404 T 342 CATAB v2.0c-linF95 2014-Oct-27 06:16:17 2014-Oct-27 06:16
1908-Jul-19 12:20 00:03 Earth 0.414862071577062 0.414857338969464 0.414866804262455 3.68000748289798 3.67826180970428 2418142.013759643 3.41336844767076 59.9662627035295 4.26303795329043 -42.8496519594409 3112470.49168828 T 342 CATAB v2.0c-linF95 2014-Oct-27 06:16:17 2014-Oct-27 06:16
1913-Feb-09 10:20 00:02 Earth 0.433463708073058 0.43346341084794 0.433464005303108 4.93026592112696 4.92901898503991 2419807.930659062 2.34459980361461 53.1570451769603 4.97336650383729 86.3723482958242 5263916.98339453 T 342 CATAB v2.0c-linF95 2014-Oct-27 06:16:17 2014-Oct-27 06:16
1913-Jun-16 14:25 < 00:01 Earth 0.424352615221272 0.424345422142247 0.424359808298242 15.1366008528297 15.1361860296025 2419935.100661026 0.0824260776867998 355.269658139328 5.27463049411599 0.287154391584308 151491.619974389 T 342 CATAB v2.0c-linF95 2014-Oct-27 06:16:17 2014-Oct-27 06:16
1925-Jun-07 05:41 < 00:01 Earth 0.261249543493471 0.26124289578599 0.261256191169758 10.7101851566484 10.7092328448916 2424308.737128658 0.121004209844167 294.587786785343 4.34653996734553 4.01528547234612 444402.693435454 T 342 CATAB v2.0c-linF95 2014-Oct-27 06:16:17 2014-Oct-27 06:16
1937-May-28 20:44 < 00:01 Earth 0.123201779525418 0.123197210611293 0.123206348416158 7.20218477418887 7.19918131537358 2428682.364118247 0.169726804405141 161.433257376515 3.03389712483545 19.1728140539308 1082580.65725906 T 342 CATAB v2.0c-linF95 2014-Oct-27 06:16:17 2014-Oct-27 06:16
1949-May-22 08:44 < 00:01 Earth 0.0655643131920805 0.0655638469004604 0.0655647795077736 5.7378527644919 5.73076574332925 2433058.864063869 0.0751618586430872 32.8438825016213 2.10964312137518 65.987057232566 1942431.12339178 T 342 CATAB v2.0c-linF95 2014-Oct-27 06:16:17 2014-Oct-27 06:16
1961-May-19 05:02 < 00:01 Earth 0.0654707871425853 0.0654706173863292 0.0654709569011216 5.42005429981012 5.41254045374522 2437438.709484115 0.0342149771758375 10.2127142951974 1.83020671667005 -73.5384349641299 2245011.25389214 T 342 CATAB v2.0c-linF95 2014-Oct-27 06:16:17 2014-Oct-27 06:16
1973-May-12 13:39 < 00:01 Earth 0.108820712624244 0.108820194635678 0.108821230612661 5.55347179995961 5.54906108778385 2441815.068946474 0.0342804537495444 13.8289438050484 2.12429369844254 -20.206507446866 1276779.0149559 T 342 CATAB v2.0c-linF95 2014-Oct-27 06:16:17 2014-Oct-27 06:16
1985-Apr-28 05:48 < 00:01 Earth 0.235773432358568 0.235772912402548 0.235773952314227 8.19874086300528 8.19736236277622 2446183.741453009 0.0182231169678392 20.756964164244 3.90440617658592 2.92466366488281 1041685.27086363 T 342 CATAB v2.0c-linF95 2014-Oct-27 06:16:17 2014-Oct-27 06:16
1997-Apr-14 00:13 < 00:01 Earth 0.397337702277326 0.397337331737233 0.397338072817396 12.8240583765478 12.8235354557092 2450552.508955672 0.010452384275197 17.7424997404927 5.29311915971733 5.6085754352903 2649145.54988963 T 342 CATAB v2.0c-linF95 2014-Oct-27 06:16:17 2014-Oct-27 06:16
1997-Jul-17 09:05 < 00:01 Earth 0.405465745687018 0.405465581029657 0.405465910345672 3.51817607447133 3.51630773431697 2450646.878797731 0.165736444751129 6.77492334848025 2.52067934530745 -7.96110837864337 2850776.80941691 T 342 CATAB v2.0c-linF95 2014-Oct-27 06:16:17 2014-Oct-27 06:16
2002-Feb-09 10:15 < 00:01 Earth 0.44090274580911 0.440902631286167 0.440902860332755 5.09166999020379 5.09048296502204 2452314.927416659 0.0809978113304838 5.10117787505725 3.55842351067955 2.73446545430194 5379037.14284038 T 342 CATAB v2.0c-linF95 2014-Oct-27 06:16:17 2014-Oct-27 06:16
2002-Jun-18 08:01 < 00:01 Earth 0.439258026543125 0.439257715613092 0.439258337473142 15.5040651480301 15.503673899656 2452443.833834947 0.00873593422129701 14.919530106239 5.35131926544251 2.33616978548599 3596166.62318486 T 342 CATAB v2.0c-linF95 2014-Oct-27 06:16:17 2014-Oct-27 06:16
2014-Jun-08 20:19 < 00:01 Earth 0.273952228783077 0.273951949620288 0.273952507945794 11.0078689380174 11.006985346172 2456817.346451957 0.0111614233648548 12.05893994428 4.47428778918845 4.70023852668928 2437580.56569 T 342 CATAB v2.0c-linF95 2014-Oct-27 06:16:17 2014-Oct-27 06:16
2026-May-30 08:25 < 00:01 Earth 0.132163611354129 0.132163259238042 0.132163963470022 7.39081863244602 7.38809035784152 2461190.850907156 0.0173846833945609 12.3631180534986 3.17243995393955 15.9192405378137 1269526.10441919 T 342 CATAB v2.0c-linF95 2014-Oct-27 06:16:17 2014-Oct-27 06:16
2038-May-23 09:26 < 00:01 Earth 0.0664096998137819 0.0664095283201453 0.0664098713086249 5.77704029644788 5.77009106576022 2465566.893112096 0.025038611210144 9.20952421745523 2.16542507701335 61.9869533389162 1876270.04309606 T 342 CATAB v2.0c-linF95 2014-Oct-27 06:16:17 2014-Oct-27 06:16
2050-May-20 09:34 < 00:01 Earth 0.0636289656678958 0.0636287057981044 0.0636292255522473 5.45116387830885 5.44347656490603 2469946.898433045 0.057681655876635 22.0813310313871 1.85102845323777 -78.652650225846 2212980.90298828 T 342 CATAB v2.0c-linF95 2014-Oct-27 06:16:17 2014-Oct-27 06:16
2062-May-14 21:02 < 00:01 Earth 0.0960066574056513 0.0960032510471337 0.0960100637857242 5.46839931170462 5.46332178214764 2474324.376417015 0.212913861639378 92.2564285222689 1.96399537331751 -28.1767532413868 1519442.49232282 T 342 CATAB v2.0c-linF95 2014-Oct-27 06:16:17 2014-Oct-27 06:16
2074-May-01 12:28 < 00:01 Earth 0.215033251522894 0.215026598402801 0.215039904572936 7.71357271605675 7.71196615814251 2478694.019344305 0.17007461308677 257.267716730178 3.65386194610116 1.77633317305426 169254.396757299 T 342 CATAB v2.0c-linF95 2014-Oct-27 06:16:17 2014-Oct-27 06:16
2086-Apr-17 03:37 < 00:01 Earth 0.376357097759402 0.376349297989557 0.376364897526344 12.2324491957454 12.2318704216304 2483062.650929234 0.086207469343837 382.667847792503 5.15896664113483 6.19505072223025 876098.369114823 T 342 CATAB v2.0c-linF95 2014-Oct-27 06:16:17 2014-Oct-27 06:16
2086-Jul-13 05:02 00:04 Earth 0.391493483097182 0.391487814934892 0.391499151282935 3.43292993572658 3.43094681872202 2483149.710041630 3.6424494615704 106.575806962422 3.60720578737861 -31.5344992265797 2502209.27571369 T 342 CATAB v2.0c-linF95 2014-Oct-27 06:16:17 2014-Oct-27 06:16
2091-Feb-08 22:28 00:02 Earth 0.450634688232522 0.450632438571746 0.450636938110101 5.29671387949254 5.29559746106637 2484821.436212594 2.34512820334022 59.5420264391812 5.15459183627408 -86.5575984364836 5603435.62800092 T 342 CATAB v2.0c-linF95 2014-Oct-27 06:16:17 2014-Oct-27 06:16
2091-Jun-20 09:48 < 00:01 Earth 0.458684287844356 0.458676392039104 0.458692183650784 15.9943370935115 15.9939739007544 2484952.908019909 0.0833418714645452 394.342380678841 5.43643401781272 -0.358155404310748 156279.022776614 T 342 CATAB v2.0c-linF95 2014-Oct-27 06:16:17 2014-Oct-27 06:16
2098-Aug-11 14:30 00:03 Earth 0.492641880691369 0.492637990912359 0.492645770541194 5.0872348514301 5.08617157881686 2487562.104271429 2.55804610306782 24.5211724514472 3.53607633052972 -11.9580100249567 2168186.63908327 T 342 CATAB v2.0c-linF95 2014-Oct-27 06:16:17 2014-Oct-27 06:16
2103-Jun-11 17:05 < 00:01 Earth 0.289509354036938 0.289501478941789 0.289517229099392 11.3796015050762 11.3787927106751 2489326.211496044 0.129434101476777 359.068641006473 4.57454985095501 2.62237059708041 319903.878318536 T 342 CATAB v2.0c-linF95 2014-Oct-27 06:16:17 2014-Oct-27 06:16
2115-Jun-01 17:53 < 00:01 Earth 0.139594542631522 0.139588258079773 0.139600827122273 7.54230606620242 7.53977494674124 2493699.245010736 0.207060215460371 226.433308363079 3.25620707839653 14.6472349708943 908506.299325823 T 342 CATAB v2.0c-linF95 2014-Oct-27 06:16:17 2014-Oct-27 06:16
2127-May-24 21:52 < 00:01 Earth 0.0650674522606339 0.0650664102184051 0.0650684944100678 5.75066049576888 5.74353524815318 2498074.410980165 0.150659264887025 69.0101608288128 2.14034319649929 64.6054515872245 1881796.70961301 T 342 CATAB v2.0c-linF95 2014-Oct-27 06:16:17 2014-Oct-27 06:16
2139-May-20 15:24 < 00:01 Earth 0.0683501399808042 0.0683479549052838 0.0683523252772168 5.40422373431841 5.39700552021003 2502453.141797510 0.25372180549293 95.209839281505 1.78190571451056 -61.3278531789988 2194000.99538719 T 342 CATAB v2.0c-linF95 2014-Oct-27 06:16:17 2014-Oct-27 06:16
2151-May-10 11:57 < 00:01 Earth 0.148150539814989 0.148137979743059 0.148163099520994 6.26779388916734 6.26492381012843 2506825.997802396 0.505325094145951 388.491606136084 2.74851760396198 -6.62909873775677 454917.571830652 T 342 CATAB v2.0c-linF95 2014-Oct-27 06:16:17 2014-Oct-27 06:16
2163-Apr-25 13:38 < 00:01 Earth 0.297836155508268 0.297818852923836 0.297853457936244 10.0374134774346 10.0365221599875 2511194.067905013 0.272162888239529 788.550734898168 4.56200128319303 4.89874092467442 558080.456569809 T 342 CATAB v2.0c-linF95 2014-Oct-27 06:16:17 2014-Oct-27 06:16
2168-Feb-03 10:33 00:04 Earth 0.486720111816158 0.486712297316524 0.486727926734872 6.23957623420908 6.23869881223602 2512938.939245014 4.18180870424903 161.357094723573 5.40258383646242 -71.7102945706425 6251257.95802577 T 342 CATAB v2.0c-linF95 2014-Oct-27 06:16:17 2014-Oct-27 06:16
2175-Apr-12 16:52 < 00:01 Earth 0.468370855374426 0.468351976127074 0.468389734673086 14.9802269086098 14.9798471482704 2515564.202699269 0.154073036152925 961.326248299436 5.67096176184375 6.51757122186699 1125641.32305635 T 342 CATAB v2.0c-linF95 2014-Oct-27 06:16:17 2014-Oct-27 06:16
2175-Aug-03 19:01 00:08 Earth 0.451121201761412 0.451110468473407 0.451131935654801 4.18528590972214 4.18387445411183 2515677.292488632 7.9598827237134 72.523864536975 4.59783016705806 -45.7253031392682 3700971.8056749 T 342 CATAB v2.0c-linF95 2014-Oct-27 06:16:17 2014-Oct-27 06:16
2180-Feb-23 19:38 00:10 Earth 0.403547576834163 0.403542367140724 0.403552786599482 3.67214136682421 3.67034289108189 2517342.318305035 10.0449802161082 116.971249962719 3.65170462747389 46.0169766413715 3723167.03109942 T 342 CATAB v2.0c-linF95 2014-Oct-27 06:16:17 2014-Oct-27 06:16
2180-Jun-16 04:01 < 00:01 Earth 0.366982134870855 0.366963068491991 0.367001201185317 13.4151157326597 13.414574502772 2517455.667018793 0.248532460339572 919.316174602981 5.03691719091481 0.579779734693456 95359.6776989996 T 342 CATAB v2.0c-linF95 2014-Oct-27 06:16:17 2014-Oct-27 06:16
2192-Jun-06 02:01 < 00:01 Earth 0.203857765345194 0.203840118298682 0.203875412006308 9.07901562243885 9.07757589338056 2521828.584030589 0.409299985749917 717.612860760635 3.90245746693758 6.47034524300161 555276.169007113 T 342 CATAB v2.0c-linF95 2014-Oct-27 06:16:17 2014-Oct-27 06:16
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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