Asteroid names known to have diacritical marks
I got the following list some years ago, and have used it in my software ever since. It is definitely outdated. Unfortunately, I don't remember where I got this list, making it difficult to get an update. I do remember that the properly marked names were part of a set of orbital elements, rather than a separate list; I just went through the list back then and extracted all accented names.
61 Danaë 202 Chryseïs 296 Phaëtusa 369 Aëria 402 Chloë 404 Arsinoë 421 Zähringia 606 Brangäne 655 Briseïs 657 Gunlöd 703 Noëmi 707 Steïna 726 Joëlla 748 Simeïsa 751 Faïna 775 Lumière 845 Naëma 858 El Djezaïr 859 Bouzaréah 861 Aïda 877 Walküre 934 Thüringia 946 Poësia 962 Aslög 1137 Raïssa 1155 Aënna 1172 Äneas 1236 Thaïs 1237 Geneviève 1257 Móra 1289 Kutaïssi 1296 Andrée 1339 Désagneauxa 1341 Edmée 1407 Lindelöf 1414 Jérôme 1422 Strömgrenia 1446 Sillanpä„ 1451 Granö 1466 Mündleria 1481 Tübingia 1500 Jyväskylä 1511 Daléra 1513 Mátra 1521 Seinäjoki 1523 Pieksämäki 1530 Rantaseppä 1534 Näsi 1535 Päijänne 1542 Schalén 1545 Thernöe 1546 Izsák 1558 Järnefelt 1563 Noël 1565 Lemaître 1573 Väisälä 1608 Muñoz 1632 Sieböhme 1652 Hergé 1655 Comas Solá 1684 Iguassú 1708 Pólit 1778 Alfvén 1779 Paraná 1849 Kresák 1915 Quetzálcoatl 1947 Iso--Heikkilä 2021 Poincaré 2058 Róka 2081 Sázava 2096 Väinö 2159 Kukkamäki 2195 Tengström 2243 Lönnrot 2278 Götz 2282 Andrés Bello 2350 Von Lüde 2397 Lappajärvi 2464 Nordenskiöld 2479 Sodankylä 2486 Metsähovi 2513 Baetslé 2535 Hämeenlinna 2590 Mourâo 2599 Veselí 2619 Skalnaté Pleso 2640 Hällström 2642 Vésale 2672 Pí sek 2804 Yrjö 2813 Zappalà 2821 Slávka 2842 Unsöld 2846 Ylppö 2856 Röser 2936 Nechvíle 3046 Molière 3104 Dürer 3117 Niépce 3257 Hanzlík 3537 Jürgen 3674 Erbisbühl 3707 Schröter 3732 Vávra 3815 König 3859 Börngen 3870 Mayré 3892 Dezsö 4044 Erikhog 4076 Dörffel 4087 Pärt 4132 Bártok 4134 Schütz 4253 Märker 4254 Kamél 4283 Stöffler 4310 Strömholm 4385 Elsässer 4386 Lüst 4482 Frèrebasile 4483 Petöfi 4527 Schönberg 4569 Bärbel 4732 Froeschlé 4921 Volontè 4934 Rhôneranger 4983 Schröteria 5071 Schönmaker 5108 Lübeck 5184 Cavailleé--Coll 5194 Böttger 5210 Saint--Daëns 5260 Philvèron 5408 Thé 5689 Rhön 5937 Lodèn 6401 Röntgen 7256 Bonhöffer 7280 Bergengrün