Optical navigation would be more than sufficient. Images of the Moon and the Earth against key stars, a clock, and a computer is all you need. Apollo had such a system as a backup, which was used to verify the ground tracking results.

This is the Apollo sextant:

The definition of "autonomous" in the document is:

Autonomous: Ability of a space system to perform operations independent from any Earth-based systems. This includes no communication with, or real-time support from, mission control or other Earth systems.

So indeed the orbit determination would need to be possible using only on-board resources. Though you need to be able to look at the Earth, so hopefully the Earth itself is not considered an Earth system.

Optical navigation would be more than sufficient. Images of the Moon and the Earth against key stars, a clock, and a computer is all you need. Apollo had such a system as a backup, which was used to verify the ground tracking results.

This is the Apollo sextant:

The definition of "autonomous" in the document is:

Autonomous: Ability of a space system to perform operations independent from any Earth-based systems. This includes no communication with, or real-time support from, mission control or other Earth systems.

So indeed the orbit determination would need to be possible using only on-board resources. Though you need to be able to look at the Earth, so hopefully the Earth itself is not considered an Earth system.

Optical navigation would be more than sufficient. Images of the Moon and the Earth against key stars, a clock, and a computer is all you need. Apollo had such a system as a backup, which was used to verify the ground tracking results.

This is the Apollo sextant:

Optical navigation would be more than sufficient. Images of the Moon and the Earth against key stars, a clock, and a computer is all you need. Apollo had such a system as a backup, which was used to verify the ground tracking results.

This is the Apollo sextant:

The definition of "autonomous" in the document is:

Autonomous: Ability of a space system to perform operations independent from any Earth-based systems. This includes no communication with, or real-time support from, mission control or other Earth systems.

So indeed the orbit determination would need to be possible using only on-board resources. Though you need to be able to look at the Earth, so hopefully the Earth itself is not considered an Earth system.