Club career
Early career and Persib Bandung
Aghastya began his youth development pathway with local club Saint Prima in his hometown of Bandung from 2018 until 2023. He subsequently entered the professional academy ranks of top-flight side Persib Bandung. He represented Persib Bandung across the multi-tiered Elite Pro Academy (EPA) structural setups, registering 23 selections for the under-20 roster during the 2024–25 seasonal iteration.
Persijap Jepara
 |
In mid-2025, Aghastya transitioned to Persijap Jepara ahead of their domestic league program. He functioned primarily within the first-team environment for the 2025–26 Super League campaign. He was registered as the second-choice goalkeeper on the competitive senior substitute bench for several top-tier fixtures, including matches against Persib Bandung, Borneo Samarinda, and Persita Tangerang. Across his full developmental phase with Persijap Jepara senior squad, he registered seven official first-team appearances.
PSGC Ciamis
On 21 August 2026, Aghastya completed a permanent transfer to Championship side PSGC Ciamis to reinforce their defensive roster. He secured the jersey number 1 and formally recorded his competitive debut for the senior club structure during a match within the introductory phases of the 2026–27 season. On 12 September 2026, Aghastya made his league debut for PSGC Ciamis, starting in a 1–2 lost against Persikad Depok at the Pakansari Stadium. A week later, Aghastya kept his first clean sheet of the 2026–27 season in a 2–0 home win over Sumsel United on the 2nd league game of the season, and saved a penalty just before the end of the first half.