4001 Ptolemaeus

Summary

4001 Ptolemaeus is an asteroid^[1]. It ranks in the top 2% of asteroid entities by monthly Wikipedia readership (5 views/month).^[2]

Key Facts

• 4001 Ptolemaeus is credited with the discovery of Karl Wilhelm Reinmuth^[3].
• 4001 Ptolemaeus's image is recorded as Orbit of 4001 Ptolemaeus.gif^[4].
• 4001 Ptolemaeus's instance of is recorded as asteroid^[5].
• 4001 Ptolemaeus's site of astronomical discovery is recorded as Heidelberg-Königstuhl State Observatory^[6].
• Ptolemy is named after 4001 Ptolemaeus^[7].
• 4001 Ptolemaeus's follows is recorded as 4000 Hipparchus^[8].
• 4001 Ptolemaeus's followed by is recorded as Q152459^[9].
• 4001 Ptolemaeus's minor planet group is recorded as asteroid belt^[10].
• 4001 Ptolemaeus's Commons category is recorded as 4001 Ptolemaeus^[11].
• 4001 Ptolemaeus's parent astronomical body is recorded as Sun^[12].
• 4001 Ptolemaeus's provisional designation is recorded as 1949 PV^[13].
• 4001 Ptolemaeus's provisional designation is recorded as 1949 QD1^[14].
• 4001 Ptolemaeus's provisional designation is recorded as 1982 BU9^[15].
• 4001 Ptolemaeus's provisional designation is recorded as 1987 OE^[16].
• 4001 Ptolemaeus's time of discovery or invention is recorded as +1949-08-02T00:00:00Z^[17].
• 4001 Ptolemaeus's Freebase ID is recorded as /m/03y81_s^[18].
• 4001 Ptolemaeus's JPL Small-Body Database SPK-ID is recorded as 20004001^[19].
• 4001 Ptolemaeus's asteroid spectral type is recorded as S-type asteroid^[20].
• 4001 Ptolemaeus's significant event is recorded as naming^[21].
• 4001 Ptolemaeus's orbital eccentricity is recorded as {'amount': '+0.1722606'}^[22].
• 4001 Ptolemaeus's orbital eccentricity is recorded as {'amount': '+0.1719836'}^[23].
• 4001 Ptolemaeus's orbital eccentricity is recorded as {'amount': '+0.1720243582502774'}^[24].
• 4001 Ptolemaeus's absolute magnitude is recorded as {'amount': '+13.7'}^[25].
• 4001 Ptolemaeus's absolute magnitude is recorded as {'amount': '+13.6'}^[26].
• 4001 Ptolemaeus's absolute magnitude is recorded as {'amount': '+13.75'}^[27].

Body

Designation and Status

4001 Ptolemaeus's instance of is recorded as asteroid^[5].

History and Context

Ptolemy is named after 4001 Ptolemaeus^[7].

Why It Matters

4001 Ptolemaeus ranks in the top 2% of asteroid entities by monthly Wikipedia readership (5 views/month).^[2] It has Wikipedia articles in 18 language editions, a strong signal of global cultural recognition.^[28] It is known by 9 alternative names across languages and contexts.^[29]