12639 Tonkoopman

Summary

12639 Tonkoopman is an asteroid^[1]. It ranks in the top 2% of asteroid entities by monthly Wikipedia readership (2 views/month).^[2]

Key Facts

• 12639 Tonkoopman is credited with the discovery of Cornelis Johannes van Houten^[3].
• 12639 Tonkoopman is credited with the discovery of Ingrid van Houten-Groeneveld^[4].
• 12639 Tonkoopman is credited with the discovery of Tom Gehrels^[5].
• 12639 Tonkoopman's instance of is recorded as asteroid^[6].
• 12639 Tonkoopman's site of astronomical discovery is recorded as Palomar Observatory^[7].
• Ton Koopman is named after 12639 Tonkoopman^[8].
• 12639 Tonkoopman's follows is recorded as 12638 Fransbrüggen^[9].
• 12639 Tonkoopman's followed by is recorded as 12640 Reinbertdeleeuw^[10].
• 12639 Tonkoopman's minor planet group is recorded as asteroid belt^[11].
• 12639 Tonkoopman's parent astronomical body is recorded as Sun^[12].
• 12639 Tonkoopman's provisional designation is recorded as 1105 T-2^[13].
• 12639 Tonkoopman's provisional designation is recorded as 1982 XA4^[14].
• 12639 Tonkoopman's time of discovery or invention is recorded as +1973-09-29T00:00:00Z^[15].
• 12639 Tonkoopman's Freebase ID is recorded as /m/0k04sq5^[16].
• 12639 Tonkoopman's JPL Small-Body Database SPK-ID is recorded as 20012639^[17].
• 12639 Tonkoopman's significant event is recorded as naming^[18].
• 12639 Tonkoopman's orbital eccentricity is recorded as {'amount': '+0.13'}^[19].
• 12639 Tonkoopman's orbital eccentricity is recorded as {'amount': '+0.1350525'}^[20].
• 12639 Tonkoopman's orbital eccentricity is recorded as {'amount': '+0.1377336355472458'}^[21].
• 12639 Tonkoopman's absolute magnitude is recorded as {'amount': '+14.6'}^[22].
• 12639 Tonkoopman's absolute magnitude is recorded as {'amount': '+14.78'}^[23].
• 12639 Tonkoopman's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+2.68900'}^[24].
• 12639 Tonkoopman's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+2.688593148796928'}^[25].
• 12639 Tonkoopman's orbital period is recorded as {'unit': 'Q577', 'amount': '+4.25'}^[26].
• 12639 Tonkoopman's orbital period is recorded as {'unit': 'Q573', 'amount': '+1550.989835005389'}^[27].

Body

Designation and Status

12639 Tonkoopman's instance of is recorded as asteroid^[6].

History and Context

Ton Koopman is named after 12639 Tonkoopman^[8].

Why It Matters

12639 Tonkoopman ranks in the top 2% of asteroid entities by monthly Wikipedia readership (2 views/month).^[2] It has Wikipedia articles in 6 language editions, a strong signal of global cultural recognition.^[28] It is known by 7 alternative names across languages and contexts.^[29]