佩雷拉彗星 (Chinese Wikipedia)

Analysis of information sources in references of the Wikipedia article "佩雷拉彗星" in Chinese language version.

refsWebsite

Global rank Chinese rank

75^th place

140^th place

1web.archive.org

1^st place

1^st place

nasa.gov

ssd.jpl.nasa.gov

Horizons output. Barycentric Osculating Orbital Elements for Comet Pereyra (C/1963 R1). [2023-09-02]. （原始内容存档于2023-09-03）. (Solution using the Solar System's barycenter (Sun+Jupiter). Select Ephemeris Type:Elements and Center:@0)
Epoch 1800: PR= 3.197E+05 / 365.25 = 875 years
Epoch 2200: PR= 2.794E+05 / 365.25 = 765 years

web.archive.org

Horizons output. Barycentric Osculating Orbital Elements for Comet Pereyra (C/1963 R1). [2023-09-02]. （原始内容存档于2023-09-03）. (Solution using the Solar System's barycenter (Sun+Jupiter). Select Ephemeris Type:Elements and Center:@0)
Epoch 1800: PR= 3.197E+05 / 365.25 = 875 years
Epoch 2200: PR= 2.794E+05 / 365.25 = 765 years