Rambam on Calendar

Glossary

Astronomical Terms

solar apogee: Point on the orbit of the Sun where it is highest above the Earth.
solar portion: ???
mean lunar anomaly: in the original: אמצע המסלול

Mean angular coordinate of the Moon on its epicycle.
corrected lunar anomaly: in the original: מסלול הנכון
mean lunar longitude: in the original: אמצע הירח
mean lunar longitude at observation time: ???
true lunar longitude: in the original: הירח האמיתי
true lunar longitude at the observation time: ???
doubled distance: in the original: מרחק הכפול

1. It is not clear how did authoritative Yemenite texts acquire the same misprints as in the ashkenazic editions.

2. Reprints the text and does not correct any of the misprints - surprising for a textbook on the subject (even introductory). TODO: Link to the scans of the appropriate pages - with the stuff highlighted.

1. Bamidbar 28:14

2. Shemos 12:2

3. Rosh Hashanah 20b; Menachot 29a

4. Dvarim 16

5. Megilla 5a; Nazir 7a

1. This is part of Law 1.

2. This is part of Law 4.

1. My understanding of the word usage in the original.

3. See Chapter 11, Law 7 on the start of Jewish Zodiac. (TODO reference)

1. This is Law 5.