1389 Onnie

1389 Onnie, provisional designation 1935 SS1, is a stony asteroid from the outer region of the asteroid belt, about 13 kilometers in diameter. It was discovered by Dutch astronomer Hendrik van Gent at Leiden Southern Station, annex to the Johannesburg Observatory in South Africa, on 28 September 1935.

1389 Onnie

1389 Onnie, provisional designation 1935 SS1, is a stony asteroid from the outer region of the asteroid belt, about 13 kilometers in diameter. It was discovered by Dutch astronomer Hendrik van Gent at Leiden Southern Station, annex to the Johannesburg Observatory in South Africa, on 28 September 1935.