1866 سيزيفوس
مراجع

1 2 3  "JPL Small-Body Database Browser: 1866 Sisyphus (1972 XA)" (2016-08-15 last obs.). مختبر الدفع النفاث. مؤرشف من الأصل في 2016-12-20.
1 2 3 4 5 6   https://www.minorplanetcenter.net/db_search/show_object?object_id=1866. {{استشهاد ويب}}: |url= بحاجة لعنوان (مساعدة) والوسيط |title= غير موجود أو فارغ (من ويكي بيانات) (مساعدة)
↑  Warner, Brian D. (أكتوبر 2016). "Near-Earth Asteroid Lightcurve Analysis at CS3-Palmer Divide Station: 2016 April-July". The Minor Planet Bulletin. ج. 43 ع. 4: 311–319. Bibcode:2016MPBu...43..311W. ISSN:1052-8091. مؤرشف من الأصل في 2020-01-29.
↑  "MPC/MPO/MPS Archive". Minor Planet Center. مؤرشف من الأصل في 2019-03-05.
↑  "1866 Sisyphus (1972 XA)". Minor Planet Center. مؤرشف من الأصل في 2016-12-21.
↑  BINARY AND TERNARY NEAR-EARTH ASTEROIDS DETECTED BY RADAR نسخة محفوظة 26 فبراير 2017 على موقع واي باك مشين.
↑  Ostro، S. J.؛ Campbell، D. B.؛ Chandler، J. F.؛ Shapiro، I. I.؛ Hine، A. A.؛ Velez، R.؛ وآخرون (أكتوبر 1991). "Asteroid radar astrometry". Astronomical Journal: 1490–1502.ResearchsupportedbyNASA. Bibcode:1991AJ....102.1490O. DOI:10.1086/115975. ISSN:0004-6256. مؤرشف من الأصل في 2017-12-16.
↑  Stephens، Robert D.؛ French، Linda, M.؛ Warner، Brian D.؛ Wasserman، Lawrence H. (أكتوبر 2011). "The Curse of Sisyphus". The Minor Planet Bulletin. ج. 38 ع. 4: 212–213. Bibcode:2011MPBu...38..212S. ISSN:1052-8091. مؤرشف من الأصل في 2020-01-29.{{استشهاد بدورية محكمة}}:  صيانة الاستشهاد: أسماء متعددة: قائمة المؤلفين (link)
↑  <;c1_value=13;table_format=HTML;max_rows=100;format_option=comp;c_fields=AcBhBgBjBiBnBsCkCqAiAp;.cgifields=format_option;.cgifields=obj_kind;.cgifields=obj_group;.cgifields=obj_numbered;.cgifields=ast_orbit_class;.cgifields=table_format;.cgifields=com_orbit_class&query=1&c_sort=ApA "JPL Small-Body Database Search Engine: asteroids and NEOs and H <13 (mag)". JPL Solar System Dynamics. مؤرشف من <;c1_value=13;table_format=HTML;max_rows=100;format_option=comp;c_fields=AcBhBgBjBiBnBsCkCqAiAp;.cgifields=format_option;.cgifields=obj_kind;.cgifields=obj_group;.cgifields=obj_numbered;.cgifields=ast_orbit_class;.cgifields=table_format;.cgifields=com_orbit_class&query=1&c_sort=ApA الأصل في 2016-03-05.
| ع ن متصفح الكواكب الصغيرة | ع ن متصفح الكواكب الصغيرة |
| --- | --- |
 1866 سيزيفوس :  1866 سيزيفوس 
| ع ن 1001–2000 | ع ن 1001–2000 |
| --- | --- |
الترقيم 1001–1100:  1001 Gaussia  1002 Olbersia  1003 Lilofee  1004 Belopolskya  1005 Arago  1006 Lagrangea  1007 Pawlowia  1008 La Paz  1009 Sirene  1010 Marlene  1011 Laodamia  1012 Sarema  1013 Tombecka  1014 Semphyra  1015 Christa  1016 Anitra  1017 Jacqueline  1018 Arnolda  1019 Strackea  1020 Arcadia  1021 Flammario  1022 Olympiada  1023 Thomana  1024 Hale  1025 Riema  1026 Ingrid  1027 Aesculapia  1028 Lydina  1029 La Plata  1030 Vitja  1031 Arctica  1032 Pafuri  1033 Simona  1034 Mozartia  1035 Amata  1036 غانيميد  1037 Davidweilla  1038 Tuckia  1039 Sonneberga  1040 Klumpkea  1041 Asta  1042 Amazone  1043 Beate  1044 Teutonia  1045 Michela  1046 Edwin  1047 Geisha  1048 Feodosia  1049 Gotho  1050 Meta  1051 Merope  1052 Belgica  1053 Vigdis  1054 Forsytia  1055 Tynka  1056 Azalea  1057 Wanda  1058 Grubba  1059 Mussorgskia  1060 Magnolia  1061 Paeonia  1062 Ljuba  1063 Aquilegia  1064 Aethusa  1065 Amundsenia  1066 Lobelia  1067 Lunaria  1068 Nofretete  1069 Planckia  1070 Tunica  1071 Brita  1072 Malva  1073 Gellivara  1074 Beljawskya  1075 Helina  1076 Viola  1077 Campanula  1078 Mentha  1079 Mimosa  1080 Orchis  1081 Reseda  1082 Pirola  1083 Salvia  1084 Tamariwa  1085 Amaryllis  1086 Nata  1087 Arabis  1088 Mitaka  1089 Tama  1090 Sumida  1091 Spiraea  1092 Lilium  1093 Freda  1094 Siberia  1095 Tulipa  1096 Reunerta  1097 Vicia  1098 Hakone  1099 Figneria  1100 Arnica 
الترقيم 1101–1200:  1101 Clematis  1102 Pepita  1103 Sequoia  1104 Syringa  1105 Fragaria  1106 Cydonia  1107 Lictoria  1108 Demeter  1109 Tata  1110 Jaroslawa  1111 Reinmuthia  1112 Polonia  1113 Katja  1114 Lorraine  1115 Sabauda  1116 Catriona  1117 Reginita  1118 Hanskya  1119 Euboea  1120 Cannonia  1121 Natascha  1122 Neith  1123 Shapleya  1124 Stroobantia  1125 China  1126 Otero  1127 Mimi  1128 Astrid  1129 Neujmina  1130 Skuld  1131 Porzia  1132 Hollandia  1133 Lugduna  1134 Kepler  1135 Colchis  1136 Mercedes  1137 Raïssa  1138 Attica  1139 Atami  1140 Crimea  1141 Bohmia  1142 Aetolia  أوديسيوس 1143  1144 Oda  1145 Robelmonte  1146 Biarmia  1147 Stavropolis  1148 Rarahu  1149 Volga  1150 Achaia  1151 Ithaka  1152 Pawona  1153 Wallenbergia  1154 Astronomia  1155 Aënna  1156 Kira  1157 Arabia  1158 Luda  1159 Granada  1160 Illyria  1161 Thessalia  1162 Larissa  1163 Saga  1164 Kobolda  1165 Imprinetta  1166 Sakuntala  1167 Dubiago  1168 Brandia  1169 ألويني  1170 Siva  1171 Rusthawelia  أينياس 1172  آنخيسس 1173  1174 Marmara  1175 Margo  1176 Lucidor  1177 Gonnessia  1178 Irmela  1179 Mally  1180 Rita  1181 Lilith  1182 Ilona  1183 Jutta  1184 Gaea  1185 Nikko  1186 Turnera  1187 Afra  1188 Gothlandia  1189 Terentia  1190 Pelagia  1191 Alfaterna  1192 Prisma  1193 Africa  1194 Aletta  1195 Orangia  1196 Sheba  1197 Rhodesia  1198 Atlantis  1199 Geldonia  1200 Imperatrix 
الترقيم 1201–1300:  1201 Strenua  1202 Marina  1203 Nanna  1204 Renzia  1205 Ebella  1206 Numerowia  1207 Ostenia  ترويلوس 1208  1209 Pumma  1210 Morosovia  1211 Bressole  1212 Francette  1213 Algeria  1214 Richilde  1215 Boyer  1216 Askania  1217 Maximiliana  1218 Aster  1219 Britta  1220 Crocus  آمور  1222 Tina  1223 نيكار  1224 Fantasia  1225 Ariane  1226 Golia  1227 Geranium  1228 Scabiosa  1229 Tilia  1230 Riceia  1231 Auricula  1232 Cortusa  1233 Kobresia  1234 Elyna  1235 Schorria  1236 Thaïs  1237 Geneviève  1238 Predappia  1239 Queteleta  1240 Centenaria  1241 Dysona  1242 Zambesia  1243 Pamela  1244 Deira  1245 Calvinia  1246 Chaka  1247 Memoria  1248 Jugurtha  1249 Rutherfordia  1250 Galanthus  1251 Hedera  1252 Celestia  1253 Frisia  1254 Erfordia  1255 Schilowa  1256 Normannia  1257 Móra  1258 Sicilia  1259 Ógyalla  1260 Walhalla  1261 Legia  1262 Sniadeckia  1263 Varsavia  1264 Letaba  1265 Schweikarda  1266 Tone  1267 Geertruida  1268 Libya  1269 Rollandia  1270 Datura  1271 Isergina  1272 Gefion  1273 Helma  1274 Delportia  1275 Cimbria  1276 Ucclia  1277 Dolores  1278 Kenya  1279 Uganda  1280 Baillauda  1281 Jeanne  1282 Utopia  1283 Komsomolia  1284 Latvia  1285 Julietta  1286 Banachiewicza  1287 Lorcia  1288 Santa  1289 Kutaïssi  1290 Albertine  1291 Phryne  1292 Luce  1293 Sonja  1294 Antwerpia  1295 Deflotte  1296 Andrée  1297 Quadea  1298 Nocturna  1299 Mertona  1300 Marcelle 
الترقيم 1301–1400:  1301 Yvonne  1302 Werra  1303 Luthera  1304 Arosa  1305 Pongola  1306 Scythia  1307 Cimmeria  1308 Halleria  1309 Hyperborea  1310 Villigera  1311 Knopfia  1312 Vassar  1313 Berna  1314 Paula  1315 Bronislawa  1316 Kasan  1317 Silvretta  1318 Nerina  1319 Disa  1320 Impala  1321 Majuba  1322 Coppernicus  1323 Tugela  1324 Knysna  1325 Inanda  1326 Losaka  1327 Namaqua  1328 Devota  1329 Eliane  1330 Spiridonia  1331 Solvejg  1332 Marconia  1333 Cevenola  1334 Lundmarka  1335 Demoulina  1336 Zeelandia  1337 Gerarda  1338 Duponta  1339 Désagneauxa  1340 Yvette  1341 Edmée  1342 Brabantia  1343 Nicole  1344 Caubeta  1345 Potomac  1346 Gotha  1347 Patria  1348 Michel  1349 Bechuana  1350 Rosselia  1351 Uzbekistania  1352 Wawel  1353 Maartje  1354 Botha  1355 Magoeba  1356 Nyanza  1357 Khama  1358 Gaika  1359 Prieska  1360 Tarka  1361 Leuschneria  1362 Griqua  1363 Herberta  1364 Safara  1365 Henyey  1366 Piccolo  1367 Nongoma  1368 Numidia  1369 Ostanina  1370 Hella  1371 Resi  1372 Haremari  1373 Cincinnati  1374 Isora  1375 Alfreda  1376 Michelle  1377 Roberbauxa  1378 Leonce  1379 Lomonosowa  1380 Volodia  1381 Danubia  1382 Gerti  1383 Limburgia  1384 Kniertje  1385 Gelria  1386 Storeria  1387 Kama  1388 Aphrodite  1389 Onnie  1390 Abastumani  1391 Carelia  1392 Pierre  1393 Sofala  1394 Algoa  1395 Aribeda  1396 Outeniqua  1397 Umtata  1398 Donnera  1399 Teneriffa  1400 Tirela 
الترقيم 1401–1500:  1401 Lavonne  1402 Eri  1403 Idelsonia  آياس 1404  1405 Sibelius  1406 Komppa  1407 Lindelöf  1408 Trusanda  1409 Isko  1410 Margret  1411 Brauna  1412 Lagrula  1413 Roucarie  1414 Jérôme  1415 Malautra  1416 Renauxa  1417 Walinskia  1418 Fayeta  1419 Danzig  1420 Radcliffe  1421 Esperanto  1422 Strömgrenia  1423 Jose  1424 Sundmania  1425 Tuorla  1426 Riviera  1427 Ruvuma  1428 Mombasa  1429 Pemba  1430 Somalia  1431 Luanda  1432 Ethiopia  1433 Geramtina  1434 Margot  1435 Garlena  1436 Salonta  ديومدس 1437  1438 Wendeline  1439 Vogtia  1440 Rostia  1441 Bolyai  1442 Corvina  1443 Ruppina  1444 Pannonia  1445 Konkolya  1446 Sillanpää  1447 Utra  1448 Lindbladia  1449 Virtanen  1450 Raimonda  1451 Granö  1452 Hunnia  1453 Fennia  1454 Kalevala  1455 Mitchella  1456 Saldanha  1457 Ankara  1458 Mineura  1459 Magnya  1460 Haltia  1461 Jean-Jacques  1462 Zamenhof  1463 Nordenmarkia  1464 Armisticia  1465 Autonoma  1466 Mündleria  1467 Mashona  1468 Zomba  1469 Linzia  1470 Carla  1471 Tornio  1472 Muonio  1473 Ounas  1474 Beira  1475 Yalta  1476 Cox  1477 Bonsdorffia  1478 Vihuri  1479 Inkeri  1480 Aunus  1481 Tübingia  1482 Sebastiana  1483 Hakoila  1484 Postrema  1485 Isa  1486 Marilyn  1487 Boda  1488 Aura  1489 Attila  1490 Limpopo  1491 Balduinus  1492 Oppolzer  1493 Sigrid  1494 Savo  1495 Helsinki  1496 Turku  1497 Tampere  1498 Lahti  1499 Pori  1500 Jyväskylä 
الترقيم 1501–1600:  1501 Baade  1502 Arenda  1503 Kuopio  1504 Lappeenranta  1505 Koranna  1506 Xosa  1507 Vaasa  1508 Kemi  1509 Esclangona  1510 Charlois  1511 Daléra  1512 Oulu  1513 Mátra  1514 Ricouxa  1515 Perrotin  1516 Henry  1517 Beograd  1518 Rovaniemi  1519 Kajaani  1520 Imatra  1521 Seinäjoki  1522 Kokkola  1523 Pieksämäki  1524 Joensuu  1525 Savonlinna  1526 Mikkeli  1527 Malmquista  1528 Conrada  1529 Oterma  1530 Rantaseppä  1531 Hartmut  1532 Inari  1533 Saimaa  1534 Näsi  1535 Päijänne  1536 Pielinen  1537 Transylvania  1538 Detre  1539 Borrelly  1540 Kevola  1541 Estonia  1542 Schalén  1543 Bourgeois  1544 Vinterhansenia  1545 Thernöe  1546 Izsák  1547 Nele  1548 Palomaa  1549 Mikko  1550 Tito  1551 Argelander  1552 Bessel  1553 Bauersfelda  1554 Yugoslavia  1555 Dejan  1556 Wingolfia  1557 Roehla  1558 Järnefelt  1559 Kustaanheimo  1560 Strattonia  1561 Fricke  1562 Gondolatsch  1563 Noël  1564 Srbija  1565 Lemaître  1566 إيكاروس  1567 Alikoski  1568 Aisleen  1569 Evita  1570 Brunonia  1571 Cesco  1572 Posnania  1573 Väisälä  1574 Meyer  1575 Winifred  1576 Fabiola  1577 Reiss  1578 Kirkwood  1579 Herrick  1580 Betulia  1581 Abanderada  1582 Martir  أنتيلوكوس 1538  1584 Fuji  1585 Union  1586 Thiele  1587 Kahrstedt  1588 Descamisada  1589 Fanatica  1590 Tsiolkovskaja  1591 Baize  1592 Mathieu  1593 Fagnes  1594 Danjon  1595 Tanga  1596 Itzigsohn  1597 Laugier  1598 Paloque  1599 Giomus  1600 Vyssotsky 
الترقيم 1601–1700:  1601 Patry  1602 Indiana  1603 Neva  1604 Tombaugh  1605 Milankovitch  1606 Jekhovsky  1607 Mavis  1608 Muñoz  1609 Brenda  1610 Mirnaya  1611 Beyer  1612 Hirose  1613 Smiley  1614 Goldschmidt  1615 Bardwell  1616 Filipoff  1617 Alschmitt  1618 Dawn  1619 Ueta  1620 جيوغرافوس  1621 Druzhba  1622 Chacornac  1623 Vivian  1624 Rabe  1625 The NORC  1626 Sadeya  1627 Ivar  1628 Strobel  1629 Pecker  1630 Milet  1631 Kopff  1632 Sieböhme  1633 Chimay  1634 Ndola  1635 Bohrmann  1636 Porter  1637 Swings  1638 Ruanda  1639 Bower  1640 Nemo  1641 Tana  1642 Hill  1643 Brown  1644 Rafita  1645 Waterfield  1646 Rosseland  مينلاوس 1647  1648 Shajna  1649 Fabre  1650 Heckmann  1651 Behrens  1652 Hergé  1653 Yakhontovia  1654 Bojeva  1655 Comas Solà  1656 Suomi  1657 Roemera  1658 Innes  1659 Punkaharju  1660 Wood  1661 Granule  1662 Hoffmann  1663 van den Bos  1664 Felix  1665 Gaby  1666 van Gent  1667 Pels  1668 Hanna  1669 Dagmar  1670 Minnaert  1671 Chaika  1672 Gezelle  1673 van Houten  1674 Groeneveld  1675 Simonida  1676 Kariba  1677 Tycho Brahe  1678 Hveen  1679 Nevanlinna  1680 Per Brahe  1681 Steinmetz  1682 Karel  1683 Castafiore  1684 Iguassú  1685 تورو  1686 De Sitter  1687 Glarona  1688 Wilkens  1689 Floris-Jan  1690 Mayrhofer  1691 Oort  1692 Subbotina  1693 Hertzsprung  1694 Kaiser  1695 Walbeck  1696 Nurmela  1697 Koskenniemi  1698 Christophe  1699 Honkasalo  1700 Zvezdara 
الترقيم 1701–1800:  1701 Okavango  1702 Kalahari  1703 Barry  1704 Wachmann  1705 Tapio  1706 Dieckvoss  1707 Chantal  1708 Pólit  1709 Ukraina  1710 Gothard  1711 Sandrine  1712 Angola  1713 Bancilhon  1714 Sy  1715 Salli  1716 Peter  1717 Arlon  1718 Namibia  1719 Jens  1720 Niels  1721 Wells  1722 Goffin  1723 Klemola  1724 Vladimir  1725 CrAO  1726 Hoffmeister  1727 Mette  1728 Goethe Link  1729 Beryl  1730 Marceline  1731 Smuts  1732 Heike  1733 Silke  1734 Zhongolovich  1735 ITA  1736 Floirac  1737 Severny  1738 Oosterhoff  1739 Meyermann  1740 Paavo Nurmi  1741 Giclas  1742 Schaifers  1743 Schmidt  1744 Harriet  1745 Ferguson  1746 Brouwer  1747 Wright  1748 Mauderli  تلامون 1749  1750 Eckert  1751 Herget  1752 van Herk  1753 Mieke  1754 Cunningham  1755 Lorbach  1756 Giacobini  1757 Porvoo  1758 Naantali  1759 Kienle  1760 Sandra  1761 Edmondson  1762 Russell  1763 Williams  1764 Cogshall  1765 Wrubel  1766 Slipher  1767 Lampland  1768 Appenzella  1769 Carlostorres  1770 Schlesinger  1771 Makover  1772 Gagarin  1773 Rumpelstilz  1774 Kulikov  1775 Zimmerwald  1776 Kuiper  1777 Gehrels  1778 Alfvén  1779 Paraná  1780 Kippes  1781 Van Biesbroeck  1782 Schneller  1783 Albitskij  1784 Benguella  1785 Wurm  1786 Raahe  1787 Chiny  1788 Kiess  1789 Dobrovolsky  1790 Volkov  1791 Patsayev  1792 Reni  1793 Zoya  1794 Finsen  1795 Woltjer  1796 Riga  1797 Schaumasse  1798 Watts  1799 Koussevitzky  1800 Aguilar 
الترقيم 1801–1900:  1801 Titicaca  1802 Zhang Heng  1803 Zwicky  1804 Chebotarev  1805 Dirikis  1806 Derice  1807 Slovakia  1808 Bellerophon  1809 Prometheus  1810 Epimetheus  1811 Bruwer  1812 Gilgamesh  1813 Imhotep  1814 Bach  1815 Beethoven  1816 Liberia  1817 Katanga  1818 Brahms  1819 Laputa  1820 Lohmann  1821 Aconcagua  1822 Waterman  1823 Gliese  1824 Haworth  1825 Klare  1826 Miller  1827 Atkinson  1828 Kashirina  1829 Dawson  1830 Pogson  1831 Nicholson  1832 Mrkos  1833 Shmakova  1834 Palach  1835 Gajdariya  1836 Komarov  1837 Osita  1838 Ursa  1839 Ragazza  1840 Hus  1841 Masaryk  1842 Hynek  1843 Jarmila  1844 Susilva  1845 Helewalda  1846 Bengt  1847 Stobbe  1848 Delvaux  1849 Kresák  1850 Kohoutek  1851 Lacroute  1852 Carpenter  1853 McElroy  1854 Skvortsov  1855 Korolev  1856 Růžena  1857 Parchomenko  1858 Lobachevskij  1859 Kovalevskaya  1860 Barbarossa  1861 Komenský  1862 أبولو  1863 أنتينوس  1864 ديدالوس  1865 سيربيروس  1866 سيزيفوس  دوفيوس 1867  ترسيتس 1868  فيلوکتتس 1869  غلاكوس 1870  آستواناكس 1871  هلنوس 1872  أجينور 1873  1874 Kacivelia  1875 Neruda  1876 Napolitania  1877 Marsden  1878 Hughes  1879 Broederstroom  1880 McCrosky  1881 Shao  1882 Rauma  1883 Rimito  1884 Skip  1885 Herero  1886 Lowell  1887 Virton  1888 Zu Chong-Zhi  1889 Pakhmutova  1890 Konoshenkova  1891 Gondola  1892 Lucienne  1893 Jakoba  1894 Haffner  1895 Larink  1896 Beer  1897 Hind  1898 Cowell  1899 Crommelin  1900 Katyusha 
الترقيم 1901–2000:  1901 Moravia  1902 Shaposhnikov  1903 Adzhimushkaj  1904 Massevitch  1905 Ambartsumian  1906 Naef  1907 Rudneva  1908 Pobeda  1909 Alekhin  1910 Mikhailov  1911 Schubart  1912 Anubis  1913 Sekanina  1914 Hartbeespoortdam  1915 Quetzálcoatl  1916 Boreas  1917 Cuyo  1918 Aiguillon  1919 Clemence  1920 Sarmiento  1921 Pala  1922 Zulu  1923 Osiris  1924 Horus  1925 Franklin-Adams  1926 Demiddelaer  1927 Suvanto  1928 Summa  1929 Kollaa  لوسيفر 1930  1931 Čapek  1932 Jansky  1933 Tinchen  1934 Jeffers  1935 Lucerna  1936 Lugano  1937 Locarno  1938 Lausanna  1939 Loretta  1940 Whipple  1941 Wild  1942 Jablunka  1943 Anteros  1944 Günter  1945 Wesselink  1946 Walraven  1947 Iso-Heikkilä  1948 Kampala  1949 Messina  1950 Wempe  1951 Lick  1952 Hesburgh  1953 Rupertwildt  1954 Kukarkin  1955 McMath  1956 Artek  1957 Angara  1958 Chandra  1959 Karbyshev  1960 Guisan  1961 Dufour  1962 Dunant  1963 Bezovec  1964 Luyten  1965 van de Kamp  1966 Tristan  1967 Menzel  1968 Mehltretter  1969 Alain  1970 Sumeria  1971 Hagihara  1972 Yi Xing  1973 Colocolo  1974 Caupolican  1975 Pikelner  1976 Kaverin  1977 Shura  1978 Patrice  1979 Sakharov  1980 Tezcatlipoca  1981 Midas  1982 Cline  1983 Bok  1984 Fedynskij  1985 Hopmann  1986 Plaut  1987 Kaplan  1988 Delores  1989 Tatry  1990 Pilcher  1991 Darwin  1992 Galvarino  1993 Guacolda  1994 Shane  1995 Hajek  1996 Adams  1997 Leverrier  1998 Titius  1999 Hirayama  2000 Herschel 
بوابة كواكب صغيرة ومذنبات
بوابة المجموعة الشمسية
بوابة المريخ
بوابة علم الفلك
في كومنز مواد ذات صلة بـ 1866 سيزيفوس.