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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 360 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .255965751365342 1.9583e-08  
a 1.430506227477906 9.9177e-10 au
q 1.064345626128723 2.8059e-08 au
i 8.705273372298223 2.2496e-06 deg
node 246.339822098189 1.6058e-05 deg
peri 338.338267126146 1.7242e-05 deg
M 346.5523120722507 5.7918e-06 deg
tp 2457423.844156033747
(2016-Feb-05.34415603)
1.0052e-05 JED
period 624.9324208965025
1.71
6.499e-07
1.779e-09
d
yr
n .5760622876367315 5.9908e-10 deg/d
Q 1.796666828827089 1.2456e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2768  
   data-arc span      15263 days (41.79 yr)  
   first obs. used      1973-03-10  
   last obs. used      2014-12-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .46185  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Oct-05 13:13:17  

Additional Information
 Earth MOID = .0615688 au 
 Jupiter MOID = 3.19277 au 
 T_jup = 4.639 
[ 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 LCDB (Rev. 2015-December); Warner et al., 2009 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.]
[Koehn, B.W.; Bowell, E.L.G.; Skiff, B.A.; Sanborn, J.J.; et al. (2014) Minor Planet Bul. 41, 286-300.]
[Warner, B.D. (2014) Minor Planet Bul. 41, 157-168.]
[Warner, B.D. (2015) Minor Planet Bul. 42, 41-53.]
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
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 0.412540380001166 0.41253317485288 0.412547585153948 13.2594389158317 13.2589518039502 2418042.830520925 0.0729327430057169 361.630773941685 5.33911162683228 7.24701857279777 1122612.27650829 T 360 CATAB v2.0c-linF95 2015-Oct-05 13:13:26 2015-Oct-05 13:13
1908-Jul-19 12:20 00:03 Earth 0.414862229773883 0.414857505136441 0.414866954488828 3.68000979380973 3.67826412237859 2418142.013812686 3.40693183723031 59.8632969750777 4.22316162465437 -42.8426899012223 3141315.0300398 T 360 CATAB v2.0c-linF95 2015-Oct-05 13:13:26 2015-Oct-05 13:13
1913-Feb-09 10:20 00:02 Earth 0.43346359073748 0.433463297834529 0.433463883645368 4.93026221019285 4.92901527282944 2419807.930689206 2.33931834287291 53.0275831217479 4.89501080724261 86.4071315386411 5348373.69835979 T 360 CATAB v2.0c-linF95 2015-Oct-05 13:13:26 2015-Oct-05 13:13
1913-Jun-16 14:25 < 00:01 Earth 0.424352380690823 0.424345200693758 0.424359560685834 15.1365943547531 15.1361795311185 2419935.100648737 0.0821937367946253 354.613494904013 5.25458698610841 0.286659938090815 151774.66542771 T 360 CATAB v2.0c-linF95 2015-Oct-05 13:13:26 2015-Oct-05 13:13
1925-Jun-07 05:41 < 00:01 Earth 0.261249331373455 0.261242695152025 0.261255967563794 10.7101795445003 10.7092272314712 2424308.737116379 0.120696158279203 294.067935457303 4.32467360865907 4.01429162469705 446481.029536443 T 360 CATAB v2.0c-linF95 2015-Oct-05 13:13:26 2015-Oct-05 13:13
1937-May-28 20:44 < 00:01 Earth 0.12320163965703 0.123197078029838 0.12320620126092 7.20218139324073 7.19917792960444 2428682.364106220 0.169353364079173 161.165582119881 3.00411504098214 19.1706293443391 1093165.73737869 T 360 CATAB v2.0c-linF95 2015-Oct-05 13:13:26 2015-Oct-05 13:13
1949-May-22 08:44 < 00:01 Earth 0.0655643031251723 0.0655638375044554 0.0655647687698833 5.73785235003435 5.73076532727033 2433058.864060577 0.0749878016341233 32.7971909646889 2.06042253370216 65.9789346390503 1988671.99495979 T 360 CATAB v2.0c-linF95 2015-Oct-05 13:13:26 2015-Oct-05 13:13
1961-May-19 05:02 < 00:01 Earth 0.0654707944250458 0.0654706266809849 0.065470962171529 5.42005437391895 5.41254052879329 2437438.709483702 0.0341084658379716 10.199835645585 1.767421409594 -73.6143171193285 2325429.84704554 T 360 CATAB v2.0c-linF95 2015-Oct-05 13:13:26 2015-Oct-05 13:13
1973-May-12 13:39 < 00:01 Earth 0.108820722342336 0.108820205789058 0.10882123889547 5.55347200541483 5.54906129379642 2441815.068949268 0.0341981187886539 13.8030469312595 2.06705885723506 -20.3059318696168 1312453.58790978 T 360 CATAB v2.0c-linF95 2015-Oct-05 13:13:26 2015-Oct-05 13:13
1985-Apr-28 05:48 < 00:01 Earth 0.235773430518531 0.235772911337868 0.23577394969884 8.19874071893087 8.19736221866682 2446183.741457414 0.0179004279312503 20.7338072082945 3.86548521458897 2.89629893485402 1042810.43783198 T 360 CATAB v2.0c-linF95 2015-Oct-05 13:13:26 2015-Oct-05 13:13
1997-Apr-14 00:13 < 00:01 Earth 0.397337687491401 0.397337318175781 0.397338056806972 12.8240574848672 12.8235345639727 2450552.508964223 0.0101005128729241 17.6875045120698 5.25632163062433 5.61183927336875 2658528.37178283 T 360 CATAB v2.0c-linF95 2015-Oct-05 13:13:26 2015-Oct-05 13:13
1997-Jul-17 09:05 < 00:01 Earth 0.405465733969975 0.40546556991506 0.405465898026164 3.51817601742296 3.51630767718428 2450646.878793121 0.163458889449849 6.71687489314826 2.45444559269341 -7.76565201159048 2874230.64644831 T 360 CATAB v2.0c-linF95 2015-Oct-05 13:13:26 2015-Oct-05 13:13
2002-Feb-09 10:15 < 00:01 Earth 0.440902757105896 0.44090264520257 0.440902869009974 5.09167025034585 5.09048322525518 2452314.927416288 0.0808458458005263 5.01912829654802 3.48767149196344 1.38907336529168 5462137.7679907 T 360 CATAB v2.0c-linF95 2015-Oct-05 13:13:26 2015-Oct-05 13:13
2002-Jun-18 08:01 < 00:01 Earth 0.439258050803466 0.439257744756328 0.439258356850572 15.504065612486 15.5036743641452 2452443.833835407 0.00856720406327759 14.6965958581968 5.32902144742311 2.46636132804176 3652482.68564196 T 360 CATAB v2.0c-linF95 2015-Oct-05 13:13:26 2015-Oct-05 13:13
2014-Jun-08 20:19 < 00:01 Earth 0.273952261627151 0.273951994079441 0.273952529174794 11.0078697869481 11.0069861952769 2456817.346455051 0.0109995006964097 11.5650523258702 4.44861210958001 5.12359268394723 2546388.3556762 T 360 CATAB v2.0c-linF95 2015-Oct-05 13:13:26 2015-Oct-05 13:13
2026-May-30 08:25 < 00:01 Earth 0.132163644130121 0.13216330349467 0.132163984765386 7.39081933539407 7.38809106172587 2461190.850908813 0.0172554301991163 11.9949818777575 3.14675284678627 16.2298863404819 1305235.73027744 T 360 CATAB v2.0c-linF95 2015-Oct-05 13:13:26 2015-Oct-05 13:13
2038-May-23 09:26 < 00:01 Earth 0.066409709749268 0.0664095426674605 0.0664098768322653 5.77704065007928 5.77009142085781 2465566.893114551 0.0249187587038229 9.10376704960411 2.1196178549875 62.3329080984455 1922241.31420712 T 360 CATAB v2.0c-linF95 2015-Oct-05 13:13:26 2015-Oct-05 13:13
2050-May-20 09:34 < 00:01 Earth 0.0636289629182261 0.0636287034914647 0.0636292223593604 5.45116419910874 5.44347688582653 2469946.898436797 0.0575008111294919 22.0063574056412 1.78716895323221 -78.5891052764275 2291526.80813093 T 360 CATAB v2.0c-linF95 2015-Oct-05 13:13:26 2015-Oct-05 13:13
2062-May-14 21:02 < 00:01 Earth 0.0960065809345899 0.0960031837556129 0.0960099781349655 5.46839883878311 5.46332130474037 2474324.376429154 0.212190120671054 91.9896755545857 1.90212163408326 -28.1617286166975 1568028.29644023 T 360 CATAB v2.0c-linF95 2015-Oct-05 13:13:26 2015-Oct-05 13:13
2074-May-01 12:28 < 00:01 Earth 0.215033094936737 0.215026461453285 0.215039728350546 7.71356872584077 7.71196216592528 2478694.019363662 0.169335751916278 256.502949375255 3.61649148068129 1.7818704787831 171228.400730143 T 360 CATAB v2.0c-linF95 2015-Oct-05 13:13:26 2015-Oct-05 13:13
2086-Apr-17 03:37 < 00:01 Earth 0.376356908591779 0.376349132665305 0.376364684515352 12.2324434277213 12.2318646530425 2483062.650948491 0.0857517644737162 381.49403585937 5.12471960741929 6.19808273222086 882328.378681949 T 360 CATAB v2.0c-linF95 2015-Oct-05 13:13:26 2015-Oct-05 13:13
2086-Jul-13 05:02 00:04 Earth 0.391493343245276 0.391487693757041 0.391498992755657 3.43293058499772 3.43094746765982 2483149.709976720 3.63061599700342 106.216626914519 3.5617791875655 -31.5307670574843 2533782.7580557 T 360 CATAB v2.0c-linF95 2015-Oct-05 13:13:26 2015-Oct-05 13:13
2091-Feb-08 22:28 00:02 Earth 0.45063478242906 0.450632530392973 0.450637034631626 5.29671629824589 5.29559988056303 2484821.436194195 2.33864403774495 59.3795218240507 5.06582620539383 -86.5746320562242 5701723.56297683 T 360 CATAB v2.0c-linF95 2015-Oct-05 13:13:26 2015-Oct-05 13:13
2091-Jun-20 09:48 < 00:01 Earth 0.458684486082716 0.458676616314562 0.45869235585205 15.9943423939357 15.993979201456 2484952.908030289 0.0831485561274876 393.055880017254 5.41567575859602 -0.356923922046567 156714.332377891 T 360 CATAB v2.0c-linF95 2015-Oct-05 13:13:26 2015-Oct-05 13:13
2098-Aug-11 14:30 00:03 Earth 0.4926417812482 0.492637904326406 0.492645658243545 5.08723246548979 5.08616919216311 2487562.104248114 2.54933073552031 24.4038358882914 3.42379474438591 -11.9775299487493 2222657.77432568 T 360 CATAB v2.0c-linF95 2015-Oct-05 13:13:26 2015-Oct-05 13:13
2103-Jun-11 17:05 < 00:01 Earth 0.289509554466535 0.289501706192787 0.289517402707821 11.379606776301 11.3787979828345 2489326.211508522 0.129111519955543 357.86167513783 4.55203439831545 2.62455688554043 321699.632560612 T 360 CATAB v2.0c-linF95 2015-Oct-05 13:13:26 2015-Oct-05 13:13
2115-Jun-01 17:53 < 00:01 Earth 0.139594702734513 0.13958844060753 0.139600964800947 7.54230992009035 7.53977880482639 2493699.245024187 0.206483700207475 225.643373415865 3.22681042520495 14.6522408190362 917075.017263458 T 360 CATAB v2.0c-linF95 2015-Oct-05 13:13:26 2015-Oct-05 13:13
2127-May-24 21:52 < 00:01 Earth 0.0650674803988766 0.0650664435045376 0.065068517399798 5.7506614878996 5.74353624459791 2498074.410987804 0.150200690471982 68.7584144246462 2.09019235329808 64.6271478116721 1927286.70260413 T 360 CATAB v2.0c-linF95 2015-Oct-05 13:13:26 2015-Oct-05 13:13
2139-May-20 15:24 < 00:01 Earth 0.068350097456437 0.0683479182587982 0.0683522768735267 5.40422410011482 5.39700588200182 2502453.141809251 0.252894666907835 94.9042169858283 1.71474418514127 -61.3119015023075 2279576.55060092 T 360 CATAB v2.0c-linF95 2015-Oct-05 13:13:26 2015-Oct-05 13:13
2151-May-10 11:57 < 00:01 Earth 0.148150281942623 0.148137761654735 0.14816280186689 6.26778893590433 6.26491884959939 2506825.997836022 0.503497537132693 387.250700053816 2.70438937990005 -6.62494161719576 462028.342258884 T 360 CATAB v2.0c-linF95 2015-Oct-05 13:13:26 2015-Oct-05 13:13
2163-Apr-25 13:38 < 00:01 Earth 0.297835799913251 0.297818553220745 0.297853046450292 10.0374033951513 10.0365120757445 2511194.067938676 0.271074962368703 785.997817520123 4.52792382190985 4.90048681172818 562468.255973883 T 360 CATAB v2.0c-linF95 2015-Oct-05 13:13:26 2015-Oct-05 13:13
2168-Feb-03 10:32 00:04 Earth 0.486720273608273 0.486712482869895 0.486728064767626 6.2395800184956 6.23870259734645 2512938.939214332 4.16889674843713 160.865270842008 5.28818733690001 -71.7169124760697 6386722.54557513 T 360 CATAB v2.0c-linF95 2015-Oct-05 13:13:26 2015-Oct-05 13:13
2175-Apr-12 16:52 < 00:01 Earth 0.468370468877167 0.468351651428381 0.468389286376913 14.9802152591241 14.979835498176 2515564.202731345 0.153414250904369 958.174032248851 5.63704529005833 6.51866032667469 1132592.65909019 T 360 CATAB v2.0c-linF95 2015-Oct-05 13:13:26 2015-Oct-05 13:13
2175-Aug-03 19:01 00:08 Earth 0.451120979719193 0.451110282459577 0.451131677573766 4.18528089974798 4.18386944175269 2515677.292427685 7.9329123033736 72.2644391001114 4.54390300987511 -45.734025917447 3745324.78396135 T 360 CATAB v2.0c-linF95 2015-Oct-05 13:13:26 2015-Oct-05 13:13
2180-Feb-23 19:38 00:10 Earth 0.403547796453759 0.403542601708867 0.403552991270083 3.67214973141273 3.67035126074807 2517342.318242981 10.013030996793 116.619441788307 3.61201696438901 46.0087239377738 3763536.35899866 T 360 CATAB v2.0c-linF95 2015-Oct-05 13:13:26 2015-Oct-05 13:13
2180-Jun-16 04:01 < 00:01 Earth 0.366982529389321 0.366963527513216 0.36700153120149 13.4151263752037 13.4145851463273 2517455.667041902 0.247812075622492 916.221403004761 5.01536764209271 0.580531225977064 95846.0301595879 T 360 CATAB v2.0c-linF95 2015-Oct-05 13:13:26 2015-Oct-05 13:13
2192-Jun-06 02:01 < 00:01 Earth 0.203858128128046 0.203840541748459 0.20387571412488 9.0790247676638 9.07758504261828 2521828.584054714 0.408057038377547 715.162773311797 3.8771355817663 6.47176123804623 559021.955472871 T 360 CATAB v2.0c-linF95 2015-Oct-05 13:13:26 2015-Oct-05 13:13
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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