A driver on the Hume Highway shortly after 9pm (AEST) near Menangle reported an object the size of a house falling from the sky.
The object fell east of the Hume Highway, possibly in an escarpment near the top of a hill at Bulli, police were told.
The meteorite was described as glowing silver in colour and similar to an artillery shell when it exploded with a bright flash on impact.
Workers at the Sydney Airport Tower said they saw a meteorite about 9pm, police said.
No other reports were received by police and extensive police patrols of the area did not turn up the space debris.
Daily Telegraph (AU) Jun.17.04