Tacitus (crater)

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Crater characteristics
Coordinates	16.2° S, 19.0° E
Diameter	40 km
Depth	2.8 km
Colongitude	340° at sunrise
Eponym	Cornelius Tacitus

Tacitus is a lunar impact crater located to the northwest of Catharina crater, at the northern extension of the Rupes Altai ridge line. Directly west is the Almanon crater, and to the northeast is Cyrillus crater. To the southeast of Tacitus is a long chain of craters named the Catena Abulfeda. This chain runs to the northwest from the east edge of the Rupes Altai, continuing for over 200 kilometers.

The crater terminates a ridge which forms part of the Rupes Altai. The outer walls has a small rampart, and the interior surfaces are terraced. The rim outline has a slight polygonal outline. There is a low ridge on the crater floor running from the north wall.

[edit] Satellite craters

By convention these features are identified on lunar maps by placing the letter on the side of the crater mid-point that is closest to Tacitus crater.

Tacitus	Latitude	Longitude	Diameter
A	17.4° S	20.5° E	11 km
B	14.0° S	20.4° E	13 km
C	13.6° S	19.8° E	9 km
D	13.5° S	21.0° E	15 km
E	13.9° S	20.1° E	9 km
F	17.1° S	17.6° E	10 km
G	17.4° S	18.2° E	6 km
H	17.8° S	18.5° E	7 km
J	14.9° S	19.7° E	3 km
K	13.1° S	20.1° E	3 km
L	14.4° S	20.9° E	6 km
M	13.9° S	21.5° E	6 km
N	16.9° S	19.4° E	7 km
O	14.0° S	21.9° E	5 km
Q	18.0° S	20.5° E	5 km
R	16.7° S	19.7° E	5 km
S	14.5° S	19.1° E	10 km
X	15.8° S	18.2° E	4 km