The main-belt asteroid 5380 Sprigg, discovered by Robert McNaught at the Siding Spring Observatory in 1991, was named in his honour.
ðə mˈeɪnbˈɛlt ˈæstɚɹˌɔɪd fˈaɪv θˈaʊzənd θɹˈiːhˈʌndɹɪd ˈeɪɾi spɹˈɪɡ, dɪskˈʌvɚd baɪ ɹˈɑːbɚt mək nˈɔːt æt ðə sˈaɪdɪŋ spɹˈɪŋ əbzˈɜːvətˌoːɹi ɪn nˈaɪntiːnhˈʌndɹɪd nˈaɪnti wˈʌn, wʌz nˈeɪmd ɪn hɪz ˈɑːnɚ.