Noll, K. S.; Grundy, W. M.; Buie, M. W.; Levison, H. F.; Olkin, C.; Marchi, S.; Brown, M. E.; Mottola, S., 15622 - Confirmation of a Binary Companion to 21900 Orus(PDF), Space Telescope Science Institute, 2018-08-22 [2021-10-20], (原始内容存档(PDF)于2022-02-16)
Noll, K. S.; Grundy, W. M.; Buie, M. W.; Levison, H. F.; Olkin, C.; Marchi, S.; Brown, M. E.; Mottola, S., 15622 - Confirmation of a Binary Companion to 21900 Orus(PDF), Space Telescope Science Institute, 2018-08-22 [2021-10-20], (原始内容存档(PDF)于2022-02-16)