Navagraha Gayatri Mantra
The Navagrahas are 9 important deities of the Hindu religious tradition. They are Surya, Chandra, Angaraka, Budha, Guru, Sukra, Sani, Rahu and Ketu. When worshiping the navagraha the following mantra can be chanted.
Om Adityaya Somaya Mangalaya Budhayacha
Guru Sukra Sanibhyascha Rahave Ketave Namah