Prime Minister Anthony Albanese's absence from US President Donald Trump's diary may have been a "petulant" rebuke after Australia recognised Palestinian statehood.

But failure to secure a formal bilateral with the US president is unlikely to affect long-term relations, according to one expert.

"It's the kind of thing that will pass ? it was just a little slap on the wrist and it'll be forgotten," Australian National University Law School Professor Ron Levy told AAP.

The government has been trying to secure the first face-to-face between the pair, after an earlier meeting planned on the sidelines of the G7 meeting in Canada in June was cancelled because of escalating violence between Israel and Iran.

Mr Albanese's travel to the United Nations in New York presented another opportunity f

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