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 0 List of minor planets: 506001–507000  1970-01-01

 0 List of minor planets: 507001–508000  1970-01-01

 0 List of minor planets: 508001–509000  1970-01-01

 0 List of minor planets: 509001–510000  1970-01-01

 0 List of minor planets: 51001–52000  1970-01-01

 0 List of minor planets: 511001–512000  1970-01-01

 0 List of minor planets: 512001–513000  1970-01-01

 0 List of minor planets: 514001–515000  1970-01-01

 0 List of minor planets: 515001–516000  1970-01-01

 0 List of minor planets: 516001–517000  1970-01-01

 0 List of minor planets: 517001–518000  1970-01-01

 0 List of minor planets: 518001–519000  1970-01-01

 0 List of minor planets: 519001–520000  1970-01-01

 0 List of minor planets: 549001–550000  1970-01-01

 0 List of minor planets: 550001–551000  1970-01-01

 0 List of minor planets: 55001–56000  1970-01-01

 0 Number Portability Administration Center  1970-01-01

 0 List of minor planets: 534001–535000  1970-01-01

 0 List of minor planets: 535001–536000  1970-01-01

 0 List of minor planets: 536001–537000  1970-01-01