Surya Siddhanta
अदृश्यरूपाः कालस्य मूर्तयो भगणाश्रिताः । शीघ्रमन्दोच्चपाताख्या ग्रहाणाम् गतिहेतवः ॥
The Deities, invisible (to human sight), named S'íghrochcha, Mandochcha (Apogees) and Páta (Nodes,) consisting of (continuous and endless) time, being situated at the ecliptic, produce the motions of the planets.
english translation
adRzyarUpAH kAlasya mUrtayo bhagaNAzritAH । zIghramandoccapAtAkhyA grahANAm gatihetavaH ॥
hk transliteration by Sanscript