Explanation:

- Aryabhatta: The correct answer. Aryabhatta was India's first artificial satellite, launched on April 19, 1975. It marked a significant milestone in India's space program. Named after the ancient Indian mathematician and astronomer, the satellite was built to conduct experiments in X-ray astronomy and solar physics.

- Sushruta: This option is incorrect in this context. Sushruta is known as a pioneering figure in the field of surgery in ancient India.

- Panini: Incorrect for this question. Panini was an ancient Sanskrit philologist, grammarian, and the author of an Ashtadhyayi, a foundational text in linguistics.

- Charaka: This option is also incorrect. Charaka was a renowned ancient Indian physician, known for his contributions to Ayurveda.