By means of or in relation to an orbital or orbitals(adverb)
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Use "orbitally" in a sentence
"It addressed a well-known gap in Milankovitch theory of orbitally-forced Pleistocene glaciation cycles: it has mechanisms for glaciation through enchanced albedo when glaciers grow, but has not mechanisms for starting de-glaciation."
"Bradley [11] pointed out that such orbitally induced radiation anomalies are especially significant at high latitudes in summer when daylight persists for 24 hours."
"It is virtually certain that global temperatures during coming centuries will not be signifi cantly influenced by a natural orbitally induced cooling."