Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 341 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2559537222987895 2.0335e-08  
a 1.430475306678896 9.9688e-10 AU
q 1.06433982727793 2.9149e-08 AU
i 8.705353003422911 2.3305e-06 deg
node 246.3485684203866 1.6152e-05 deg
peri 338.3613019314008 1.737e-05 deg
M 116.0797150067448 5.9302e-06 deg
tp 2456799.001040817666
(2014-May-21.50104082)
1.0322e-05 JED
period 624.9121588679394
1.71
6.5324e-07
1.788e-09
d
yr
n .5760809657667064 6.0219e-10 deg/d
Q 1.796610786079862 1.252e-09 AU
  Orbit Determination Parameters
   # obs. used (total)      2583  
   data-arc span      15201 days (41.62 yr)  
   first obs. used      1973-03-10  
   last obs. used      2014-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .46001  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-25 06:16:28  

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 0.412540126863001 0.412532904679632 0.412547349050901 13.2594320539114 13.2589449414788 2418042.830531362 0.0730495583155348 362.485859368784 5.39273199794518 7.25045791067083 1112081.10156009 T 341 CATAB v2.0c-linF95 2014-Oct-25 06:16:40 2014-Oct-25 06:16
1908-Jul-19 12:20 00:03 Earth 0.414862066135995 0.414857331980436 0.414866800364134 3.68000744565335 3.67826177241907 2418142.013759192 3.41468665792165 59.9848234556513 4.27320780975054 -42.8529224633242 3105289.79478603 T 341 CATAB v2.0c-linF95 2014-Oct-25 06:16:40 2014-Oct-25 06:16
1913-Feb-09 10:20 00:02 Earth 0.433463714046671 0.433463416703329 0.433464011394951 4.93026598643798 4.92901905038464 2419807.930658406 2.34553722450865 53.1772735348815 4.97487250770415 86.3715276843873 5262318.85780028 T 341 CATAB v2.0c-linF95 2014-Oct-25 06:16:40 2014-Oct-25 06:16
1913-Jun-16 14:25 < 00:01 Earth 0.424352625126352 0.424345429394825 0.424359820855823 15.1366011971198 15.1361863739117 2419935.100662622 0.0824599670623061 355.401496151019 5.28659778050795 0.286249178402106 151359.827273987 T 341 CATAB v2.0c-linF95 2014-Oct-25 06:16:40 2014-Oct-25 06:16
1925-Jun-07 05:41 < 00:01 Earth 0.261249553280864 0.261242903101986 0.261256203428525 10.7101855125759 10.7092332008865 2424308.737130674 0.121055384880771 294.698008915065 4.35640424796201 4.01437930312122 443336.315255469 T 341 CATAB v2.0c-linF95 2014-Oct-25 06:16:40 2014-Oct-25 06:16
1937-May-28 20:44 < 00:01 Earth 0.123201785971318 0.123197215334401 0.123206356584839 7.20218489213977 7.19918143353086 2428682.364117819 0.169803508393767 161.493809928537 3.04130710203075 19.1716659382815 1079887.45634067 T 341 CATAB v2.0c-linF95 2014-Oct-25 06:16:40 2014-Oct-25 06:16
1949-May-22 08:44 < 00:01 Earth 0.065564312712784 0.0655638461916424 0.0655647792580969 5.73785280743898 5.73076578627761 2433058.864064168 0.0752153819054782 32.8550291871797 2.11506058839716 65.9839306661581 1937412.42665109 T 341 CATAB v2.0c-linF95 2014-Oct-25 06:16:40 2014-Oct-25 06:16
1961-May-19 05:02 < 00:01 Earth 0.0654707859223059 0.0654706160633124 0.0654709557836898 5.42005431778419 5.41254047160409 2437438.709483712 0.034257455749172 10.2146002954956 1.83430255278611 -73.5357481697091 2239981.21537979 T 341 CATAB v2.0c-linF95 2014-Oct-25 06:16:40 2014-Oct-25 06:16
1973-May-12 13:39 < 00:01 Earth 0.108820711700949 0.108820193574873 0.108821229826776 5.55347183186094 5.54906111967309 2441815.068946352 0.0343029550252283 13.8326330783733 2.12841990981246 -20.205154154258 1274553.96434054 T 341 CATAB v2.0c-linF95 2014-Oct-25 06:16:40 2014-Oct-25 06:16
1985-Apr-28 05:48 < 00:01 Earth 0.235773430950338 0.235772910868282 0.235773951032043 8.19874081467954 8.19736231443412 2446183.741454047 0.0182378017316193 20.761218435283 3.91554833747147 2.91752765518659 1041118.23508439 T 341 CATAB v2.0c-linF95 2014-Oct-25 06:16:40 2014-Oct-25 06:16
1997-Apr-14 00:13 < 00:01 Earth 0.3973376991258 0.397337328436776 0.397338069814813 12.8240580637597 12.8235351429042 2450552.508959263 0.0104644631947857 17.747930343476 5.30920761735096 5.58437834146457 2646625.68784343 T 341 CATAB v2.0c-linF95 2014-Oct-25 06:16:40 2014-Oct-25 06:16
1997-Jul-17 09:05 < 00:01 Earth 0.405465744971283 0.405465580401445 0.405465909542416 3.51817599481019 3.51630765461021 2450646.878796087 0.165772516427965 6.79359165374354 2.52346353679972 -7.94142808773719 2842776.47872604 T 341 CATAB v2.0c-linF95 2014-Oct-25 06:16:40 2014-Oct-25 06:16
2002-Feb-09 10:15 < 00:01 Earth 0.440902748162183 0.440902633538766 0.440902862785208 5.09166993324734 5.09048290805865 2452314.927416922 0.0810445036530634 5.10284716202025 3.56201751208306 2.76348006389177 5377397.28775651 T 341 CATAB v2.0c-linF95 2014-Oct-25 06:16:40 2014-Oct-25 06:16
2002-Jun-18 08:01 < 00:01 Earth 0.439258029294685 0.439257718202553 0.439258340386762 15.5040652523276 15.5036740039585 2452443.833835518 0.00874805459482797 14.9269344779745 5.3631234417563 2.37067828378527 3594896.7675757 T 341 CATAB v2.0c-linF95 2014-Oct-25 06:16:40 2014-Oct-25 06:16
2014-Jun-08 20:19 < 00:01 Earth 0.273952232208789 0.273951952634919 0.273952511782588 11.0078690780051 11.006985486182 2456817.346452851 0.0111756052279101 12.0765747199392 4.48444754639315 4.7331644686448 2434616.44319103 T 341 CATAB v2.0c-linF95 2014-Oct-25 06:16:40 2014-Oct-25 06:16
2026-May-30 08:25 < 00:01 Earth 0.132163615137248 0.132163262574193 0.132163967700112 7.39081873040057 7.38809045591034 2461190.850907384 0.0174008213271112 12.3784051451374 3.18052817333258 15.93033938909 1267486.23259156 T 341 CATAB v2.0c-linF95 2014-Oct-25 06:16:40 2014-Oct-25 06:16
2038-May-23 09:26 < 00:01 Earth 0.0664097015865519 0.0664095299114731 0.0664098732628376 5.77704037007404 5.77009113966067 2465566.893111718 0.025060950664116 9.21680533120442 2.17119363055307 61.9934432305844 1871444.30614768 T 341 CATAB v2.0c-linF95 2014-Oct-25 06:16:40 2014-Oct-25 06:16
2050-May-20 09:34 < 00:01 Earth 0.0636289595342775 0.0636286994918369 0.0636292195911556 5.45116403597928 5.44347672205756 2469946.898434793 0.0576998054811416 22.0931908595791 1.85523099310569 -78.6504467013 2207951.95555635 T 341 CATAB v2.0c-linF95 2014-Oct-25 06:16:40 2014-Oct-25 06:16
2062-May-14 21:02 < 00:01 Earth 0.0960065828822193 0.0960031750266804 0.0960099907593347 5.46839876316819 5.46332122915823 2474324.376425447 0.212990590496301 92.2982338790075 1.96752053179953 -28.1776294912364 1516765.37215296 T 341 CATAB v2.0c-linF95 2014-Oct-25 06:16:40 2014-Oct-25 06:16
2074-May-01 12:28 < 00:01 Earth 0.21503310900461 0.215026453053438 0.215039764885672 7.71356921500799 7.71196265529952 2478694.019357880 0.170143324263726 257.376728360768 3.66379972458337 1.77535313891626 168786.163695395 T 341 CATAB v2.0c-linF95 2014-Oct-25 06:16:40 2014-Oct-25 06:16
2086-Apr-17 03:37 < 00:01 Earth 0.376356931537025 0.376349128503599 0.376364734567544 12.232444546013 12.2318657714224 2483062.650939946 0.0862455290222799 382.826748580022 5.17437963396132 6.1941309107974 873395.074191341 T 341 CATAB v2.0c-linF95 2014-Oct-25 06:16:40 2014-Oct-25 06:16
2086-Jul-13 05:02 00:04 Earth 0.391493363310729 0.391487692834154 0.391499033809602 3.43293034654413 3.43094722917008 2483149.709986563 3.64392488493247 106.62672497414 3.61793057992177 -31.532035743508 2494636.09985734 T 341 CATAB v2.0c-linF95 2014-Oct-25 06:16:40 2014-Oct-25 06:16
2091-Feb-08 22:28 00:02 Earth 0.450634769307935 0.450632518303635 0.450637020479414 5.29671582708488 5.29559940927018 2484821.436196055 2.34603421244456 59.5661004023686 5.1565129071036 -86.5568774150982 5601346.5289731 T 341 CATAB v2.0c-linF95 2014-Oct-25 06:16:40 2014-Oct-25 06:16
2091-Jun-20 09:48 < 00:01 Earth 0.458684455161336 0.458676556052838 0.458692354271009 15.9943417804456 15.9939785879275 2484952.908029988 0.0833743060818645 394.506374850629 5.44865631467543 -0.357371565372845 156109.591780779 T 341 CATAB v2.0c-linF95 2014-Oct-25 06:16:40 2014-Oct-25 06:16
2098-Aug-11 14:30 00:03 Earth 0.492641797650507 0.492637906341476 0.492645689030401 5.08723296805257 5.08616969486636 2487562.104251862 2.55906926948663 24.5373680497176 3.53991312845135 -11.9619331606141 2166595.68315687 T 341 CATAB v2.0c-linF95 2014-Oct-25 06:16:40 2014-Oct-25 06:16
2103-Jun-11 17:05 < 00:01 Earth 0.289509517552883 0.289501639191667 0.289517395881377 11.3796058479933 11.3787970543577 2489326.211505687 0.129482668612328 359.216638492571 4.5848797122113 2.62303870536444 319301.756703414 T 341 CATAB v2.0c-linF95 2014-Oct-25 06:16:40 2014-Oct-25 06:16
2115-Jun-01 17:53 < 00:01 Earth 0.139594667466766 0.139588380327443 0.139600954545044 7.54230912017885 7.53977800400678 2493699.245021520 0.207134500951066 226.526276965286 3.26413022138695 14.6478657130632 906345.80537163 T 341 CATAB v2.0c-linF95 2014-Oct-25 06:16:40 2014-Oct-25 06:16
2127-May-24 21:52 < 00:01 Earth 0.0650674698994659 0.0650664274198199 0.0650685124865324 5.75066114731435 5.74353590243969 2498074.410984918 0.150706853927919 69.0392717826048 2.14591246921767 64.6062488144002 1876926.8652851 T 341 CATAB v2.0c-linF95 2014-Oct-25 06:16:40 2014-Oct-25 06:16
2139-May-20 15:24 < 00:01 Earth 0.0683501063972435 0.0683479204460647 0.0683522925694956 5.40422390561633 5.39700568818803 2502453.141804994 0.253807818714809 95.2493007405202 1.78545634696124 -61.3280123118735 2189640.5858892 T 341 CATAB v2.0c-linF95 2014-Oct-25 06:16:40 2014-Oct-25 06:16
2151-May-10 11:57 < 00:01 Earth 0.148150360544595 0.148137795510898 0.148162925212028 6.26779047340861 6.26492038933112 2506825.997823204 0.505517298233214 388.645331273479 2.75500339457152 -6.62955570735701 453880.384528988 T 341 CATAB v2.0c-linF95 2014-Oct-25 06:16:40 2014-Oct-25 06:16
2163-Apr-25 13:38 < 00:01 Earth 0.297835914604685 0.297818605216978 0.297853223835785 10.0374068405342 10.0365155217766 2511194.067924369 0.272271087404386 788.859771097668 4.5752324780214 4.89837709960087 556431.105984654 T 341 CATAB v2.0c-linF95 2014-Oct-25 06:16:40 2014-Oct-25 06:16
2168-Feb-03 10:32 00:04 Earth 0.486720220665944 0.486712403141777 0.486728038613939 6.23957886138669 6.23870143997936 2512938.939222899 4.18339316622821 161.418868284271 5.40545634868437 -71.7099969389428 6247928.77702285 T 341 CATAB v2.0c-linF95 2014-Oct-25 06:16:40 2014-Oct-25 06:16
2175-Apr-12 16:52 < 00:01 Earth 0.468370597641993 0.468351710997779 0.468389484337553 14.980219519254 14.9798397585183 2515564.202715574 0.154136154138977 961.701823816827 5.68812871842564 6.51721327878569 1122189.91351495 T 341 CATAB v2.0c-linF95 2014-Oct-25 06:16:40 2014-Oct-25 06:16
2175-Aug-03 19:01 00:08 Earth 0.451121055563183 0.451110318229397 0.451131793502772 4.1852825481048 4.18387109090293 2515677.292447545 7.96297287691959 72.5567904398537 4.60363090682872 -45.7223079731785 3696129.02133181 T 341 CATAB v2.0c-linF95 2014-Oct-25 06:16:40 2014-Oct-25 06:16
2180-Feb-23 19:38 00:10 Earth 0.403547721401391 0.403542509840272 0.403552933034448 3.67214704495103 3.67034857263545 2517342.318262136 10.0487830093407 117.015677404879 3.65362021379245 46.0180880036621 3721291.56019032 T 341 CATAB v2.0c-linF95 2014-Oct-25 06:16:40 2014-Oct-25 06:16
2180-Jun-16 04:01 < 00:01 Earth 0.366982392415674 0.366963318544535 0.367001466222358 13.4151227671311 13.414581537907 2517455.667034043 0.248625593531682 919.676529643578 5.04819780915389 0.580039700391642 95220.7296565664 T 341 CATAB v2.0c-linF95 2014-Oct-25 06:16:40 2014-Oct-25 06:16
2192-Jun-06 02:01 < 00:01 Earth 0.203857998749943 0.203840344774739 0.20387565233943 9.07902157676596 9.07758185030058 2521828.584046518 0.409451798068562 717.89411791155 3.91150484675524 6.47056535810985 554013.902361389 T 341 CATAB v2.0c-linF95 2014-Oct-25 06:16:40 2014-Oct-25 06:16
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Oct-25 22:49 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin