18D/Perrine–Mrkos (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "18D/Perrine–Mrkos" in English language version.

refsWebsite

Global rank English rank

75^th place

83^rd place

2web.archive.org

1^st place

1^st place

low place

low place

1minorplanetcenter.net

1,397^th place

1,604^th place

aerith.net

Seiichi Yoshida (2009-09-19). "18D/Perrine-Mrkos". Seiichi Yoshida's Comet Catalog. Retrieved 2012-02-22.

minorplanetcenter.net

"18D/Perrine–Mrkos Orbit". Minor Planet Center. Retrieved 2019-02-26.

nasa.gov

ssd.jpl.nasa.gov

"Horizons Batch for 18D/Perrine-Mrkos (90000290) on 2025-Jan-01" (Perihelion occurs when rdot flips from negative to positive). JPL Horizons. Retrieved 2023-02-11. (JPL#J682/18 Soln.date: 2002-Feb-22)
"JPL SBDB: 18D/Perrine-Mrkos" (1968-12-26 last obs). Archived from the original on 2020-11-14.

web.archive.org

Kronk, Gary W. (2001–2005). "18D/Perrine-Mrkos". Archived from the original on 2001-04-05. Retrieved 2006-06-09.{{cite web}}: CS1 maint: bot: original URL status unknown (link)()
"JPL SBDB: 18D/Perrine-Mrkos" (1968-12-26 last obs). Archived from the original on 2020-11-14.