Renee Sayers from Curtain University, which runs the meteor research group, Desert Fireball Network, believed it was only a small asteroid.

https://www.9news.com.au/world/wa-asteroid-green-glow-captured-on-camera-as-2002-nn4-asteroid-passes-the-earth/0821475c-7120-4b9a-a35e-9d4d71fc9a77?ocid=Social-9NewsS 

#asteroid 

Beautiful blazing fireball (Australia - June 2020)