NGC 6902 is an unbarred spiral galaxy located in the southern constellation of Sagittarius at an approximate distance of 124 million light-years (38.0 Mpc).

[9] In his New General Catalogue, Danish astronomer J. L. E. Dreyer described it as faint, considerably small, round, brighter middle.

[7] The galactic plane is inclined at an angle of 38±5° to the line of sight from the Earth.

NGC 6902 has a high abundance of neutral hydrogen; about three times greater than a typical galaxy of this class.

[9] One supernova has been observed in NGC 6902: SN 2024uwq (type Ic-BL, mag.