Periodic Comets: 20D to 25D
發佈日期:
This addon adds 6 periodic comets as part of a periodic comets catalog.
List of comets included in this addon:
- 20D/Westphal (lost comet)
- 21P/Giacobini-Zinner
- 22P/Kopff
- 23P/Brorsen-Metcalf
- 24P/Schaumasse
- 25D/Neujmin (lost comet)

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