According to the description of Brahmāṇḍapurāṇa (Brahmandapurana), Asitā(Asita) was one of the Mauneya Apsarā(s) (Apsara; Celestial courtesan).

Brahmāṇḍapurāṇa (Maharṣi)(2.7.7)

It is known that Asitā performed as a dancer during the birth ceremony of Arjuna.

Mahābhārata (Kinjawadekar)(1.123.63)
Mahābhārata Vols. 1-43 (Siddhāntabāgīśa)(1.117.67)