The list of approved names in the Gazetteer of Planetary Nomenclature maintained by the International Astronomical Union includes the diameter of the crater and the person the crater is named for. Where a crater formation has associated satellite craters, these are detailed on the main crater description pages.

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O Crater Coordinates Diameter(km) ApprovalYear Eponym Ref Oberbeck 58.00 2026 Verne R. Oberbeck (1936-2018) Oberth 49.52 1997 Hermann Oberth (1894–1989) Obruchev 72.23 1970 Vladimir Afanasyevich Obruchev (1863–1956) O'Day 70.41 1970 Marcus O'Day (1897–1961) Oenopides 73.47 1935 Oenopides of Chios (c. 500–430 BC) Oersted 42.28 1935 Hans Christian Ørsted (1777–1851) Ohm 61.75 1970 Georg Simon Ohm (1789–1854) Oken 78.67 1935 Lorenz Ockenfuss (1779–1851) Olbers 73.02 1935 Heinrich Wilhelm Matthäus Olbers (1758–1840) Olcott 79.94 1970 William Tyler Olcott (1873–1936) Olivier 78.45 1979 Charles Pollard Olivier (1884–1975) Omar Khayyam 68.64 1970 Omar Khayyám (c. 1050–1123) Onizuka 26.88 1988 Ellison Shoji Onizuka (1946–1986) Opelt 48.73 1935 Friedrich Wilhelm Opelt (1794–1863) Oppenheimer 201.16 1970 J. Robert Oppenheimer (1904–1967) Oppolzer 40.87 1935 Theodor von Oppolzer (1841–1886) Oresme 82.05 1970 Nicole Oresme (c. 1323–1382) Orlov 72.93 1970 Aleksandr Yakovlevich Orlov (1880–1954) and Sergei Vladimirovich Orlov (1880–1958) Orontius 121.02 1935 Oronce Finé (1494–1555) Osama 0.42 1976 (Arabic male name) Osiris 0.96 1976 Osiris (Egyptian deity) Osman 1.79 1976 (Turkish male name) Ostwald 108.13 1970 Wilhelm Ostwald (1853–1932)

P Crater Coordinates Diameter(km) ApprovalYear Eponym Ref Palisa 33.47 1935 Johann Palisa (1848–1925) Palitzsch 41.87 1935 Johann Georg Palitzsch (1723–1788) Pallas 49.51 1935 Peter Simon Pallas (1741–1811) Palmieri 39.84 1935 Luigi Palmieri (1807–1896) Paneth 60.92 1970 Friedrich Adolf Paneth (1887–1958) Pannekoek 67.5 1970 Anton Pannekoek (1873–1960) Papaleksi 92.03 1970 Nikolaj Dmitrievich Papaleksi (1880–1947) Paracelsus 85.88 1970 Theophrastus Bombastus von Hohenheim (1493–1541) Paraskevopoulos 98.87 1970 John Stefanos Paraskevopoulos (1889–1951) Parenago 94.57 1970 Pavel Petrovich Parenago (1906–1960) Parkhurst 93.08 1970 John Adelbert Parkhurst (1861–1925) Parrot 70.66 1935 Johann Jacob Friedrich Wilhelm Parrot (1792–1840) Parry 47.28 1935 William Edward Parry (1790–1855) Parsons 41.12 1970 John Whiteside Parsons (1914–1952) Pascal 108.2 1964 Blaise Pascal (1623–1662) Paschen 127.36 1970 Friedrich Paschen (1865–1940) Pasteur 232.77 1961 Louis Pasteur (1822–1895) Patricia 10.08 1976 (English female name) Patsaev 55.25 1973 Viktor Ivanovich Patsayev (1933–1971) Pauli 95.28 1970 Wolfgang Pauli (1900–1958) Pavlov 143.05 1970 Ivan Petrovich Pavlov (1849–1936) Pawsey 59.98 1970 Joseph Lade Pawsey (1908–1962) Peary 78.75 1964 Robert Edwin Peary (1856–1920) Pease 40.84 1970 Francis G. Pease (1881–1938) Peek 12.55 1973 Bertrand Meigh Peek (1891–1965) Peirce 18.86 1935 Benjamin Peirce (1809–1880) Peirescius 61.53 1935 Nicolas-Claude Fabri de Peiresc (1580–1637) Pentland 56.45 1935 Joseph Barclay Pentland (1797–1873) Perelman 48.87 1970 Yakov I. Perelman (1882–1942) Perepelkin 88.74 1970 Yevgeny Perepyolkin (1906–1938) Perkin 62.48 1970 Richard Scott Perkin (1906–1969) Perrine 87.41 1970 Charles Dillon Perrine (1867–1951) Petavius 184.06 1935 Denis Petau (1583–1652) Petermann 76.95 1935 August Heinrich Petermann (1822–1878) Peters 14.67 1935 Christian August Friedrich Peters (1806–1880) Petit 5.04 1976 Alexis Therese Petit (1771–1820) Petrie 32.86 1970 Robert Methven Petrie (1906–1966) Petropavlovskiy 64.07 1970 (1898–1933) Petrov 55.44 1970 (1900–1942) Pettit 36.67 1970 Edison Pettit (1889–1962) Petzval 93.47 1970 Joseph von Petzval (1807–1891) Phillips 104.21 1935 John Phillips (1800–1874) Philolaus 71.44 1935 Philolaus of Croton (flourished 400 BC) Phocylides 115.18 1935 Johannes Phocylides Holwarda (Jan Fokker) (1618–1651) Piazzi 102.57 1935 Giuseppe Piazzi (1746–1826) Piazzi Smyth 12.96 1935 Charles Piazzi Smyth (1819–1900) Picard 22.35 1935 Jean-Felix Picard (1620–1682) Piccolomini 87.58 1935 Alessandro Piccolomini (1508–1578) Pickering 15.4 1935 Edward Charles Pickering (1846–1919) and William Henry Pickering (1858–1938) Pictet 59.95 1935 Marc-Auguste Pictet-Turretin (1752–1825) Pierazzo 9.29 2015 Elisabetta Pierazzo (1963–2011) Pikelner 40.96 1979 Solomon Borisovich Pikelner (1921–1975) Pilâtre 64.37 1991 Jean-François Pilâtre de Rozier (1756–1785) Pingré 88.43 1961 Alexandre Guy Pingré (1711–1796) Pirquet 62.14 1970 Baron Guido von Pirquet (1880–1966) Pitatus 100.63 1935 Pietro Pitati (flourished c. 1500) Pitiscus 79.85 1935 Bartholemaeus Pitiscus (1561–1613) Pizzetti 53.47 1970 Paolo Pizzetti (1860–1918) Plana 42.97 1935 Baron Giovanni Antonio Amedeo Plana (1781–1864) Planck 319.46 1970 Max Karl Ernst Ludwig Planck (1858–1947) Planté 36.8 1979 Gaston Planté (1834–1889) Plaskett 114.34 1976 John Stanley Plaskett (1865–1941) Plato 100.68 1935 Plato (c. 428–347 BC) Playfair 49.88 1935 John Playfair (1748–1819) Plinius 41.31 1935 Pliny the Elder (23–79) Plummer 75.7 1970 Henry Crozier Keating Plummer (1875–1946) Plutarch 69.59 1935 Plutarch (c. 46–120) Poczobutt 212.36 1979 Martin Odlanicky Poczobutt (1728–1810) Pogson 40.87 1970 Norman Robert Pogson (1829–1891) Poincaré 345.99 1970 Jules Henri Poincaré (1854–1912) Poinsot 65.11 1970 Louis Poinsot (1777–1859) Poisson 41.4 1935 Siméon Denis Poisson (1781–1840) Polybius 40.81 1935 Polybius (c. 204–122 BC) Polzunov 66.53 1970 Ivan Ivanovich Polzunov (1728–1766) Pomortsev 25.51 1976 Mikhail Mikhailovich Pomortsev (1851–1916) Poncelet 67.57 1964 Jean-Victor Poncelet (1788–1867) Pons 39.7 1935 Jean-Louis Pons (1761–1831) Pontanus 55.66 1935 Giovanni Gioviani Pontano (1427–1503) Pontécoulant 91.4 1935 Philippe Gustave Doulcet, Comte De Pontécoulant (1795–1874) Popov 71.4 1961 Aleksander Stepanovich Popov (1859–1905) and C. Popov (1880–1966) Porter 51.46 1970 Russell Williams Porter (1871–1949) Posidonius 95.06 1935 Posidonius (c. 135–51 BC) Poynting 127.55 1970 John Henry Poynting (1852–1914) Prager 53.9 1971 Richard A. Prager (1884–1945) Prandtl 87.53 1970 Ludwig Prandtl (1875–1953) Priestley 54.88 1970 Joseph Priestley (1733–1804) Prinz 46.13 1935 (1857–1910) Priscilla 1.5 1976 (Latin female name) Proclus 26.91 1935 Proclus Diadochus (410–485) Proctor 47.64 1935 Mary Proctor (1862–1957) Protagoras 21.05 1935 Protagoras (c. 481–411 BC) Ptolemaeus 153.67 1935 Ptolemy (c. 87–150) Puiseux 24.95 1935 Pierre Puiseux (1855–1928) Pupin 2.17 1976 Mihajlo Idvorski Pupin (1858–1935) Purbach 114.97 1935 Georg Purbach (1423–1461) Purkyně 50.29 1970 Jan Evangelista Purkyně (1787–1869) Pythagoras 144.55 1935 Pythagoras (flourished c. 532 BC) Pytheas 18.81 1935 Pytheas (born c. 308 BC)

Q Crater Coordinates Diameter(km) ApprovalYear Eponym Ref Quetelet 54.77 1970 Lambert Adolphe Jacques Quételet (1796–1874)

References

External links Moon map. List of craters on the Moon