117P/Helin–Roman–Alu (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "117P/Helin–Roman–Alu" in English language version.

refsWebsite

Global rank English rank

1minorplanetcenter.net

1,397^th place

1,604^th place

low place

low place

75^th place

83^rd place

2^nd place

2^nd place

18^th place

17^th place

doi.org

Toth, I. (March 2006). "The quasi-Hilda subgroup of ecliptic comets - an update". Astronomy and Astrophysics. 448 (3): 1191–1196. Bibcode:2006A&A...448.1191T. doi:10.1051/0004-6361:20053492.

harvard.edu

ui.adsabs.harvard.edu

Toth, I. (March 2006). "The quasi-Hilda subgroup of ecliptic comets - an update". Astronomy and Astrophysics. 448 (3): 1191–1196. Bibcode:2006A&A...448.1191T. doi:10.1051/0004-6361:20053492.

minorplanetcenter.net

"117P/Helin-Roman-Alu Orbit". Minor Planet Center. Retrieved 2014-06-17.

nasa.gov

ssd.jpl.nasa.gov

"Horizons Batch for 117P/Helin-Roman-Alu 1 (90001003) on 2030-Nov-26" (Perihelion occurs when rdot flips from negative to positive). JPL Horizons. Retrieved 2023-07-06. (JPL#K222/63 Soln.date: 2023-Jul-06)

oaa.gr.jp

Syuichi Nakano (2011-04-06). "117P/Helin-Roman-Alu 1 (NK 2051)". OAA Computing and Minor Planet Sections. Retrieved 2012-02-20.