49P/Arend–Rigaux
Sign in to save49P/Arend–Rigaux is a periodic comet with a 6.75-year orbit around the Sun. It is the first of three comets discovered by Belgian astronomer Sylvain Arend and the only one for Fernand Rigaux.
Key facts
- Comet.name
- 49P/Arend–Rigaux
- Comet.image
- Comet Arend–Rigaux.jpg
- Comet.caption
- Comet Arend–Rigaux imaged by George van Biesbroeck from the Yerkes Observatory on 10 February 1951.
- Comet.discoverer
- Sylvain ArendFernand Rigaux
- Comet.discovery_site
- Royal Observatory of Belgium
- Comet.discovery_date
- 5 February 1951
- Comet.mpc_name
- P/1951 C2, P/1958 B1
- Comet.epoch
- 5 May 2025 (JD 2460800.5)
- Comet.observation_arc
- 74.31 years
- Comet.earliest_precovery_date
- 8 January 1951
- Comet.obs
- 4,700
- Comet.perihelion
- 1.431 AU
- Comet.aphelion
- 5.709 AU
- Comet.semimajor
- 3.570 AU
- Comet.eccentricity
- 0.59906
- Comet.period
- 6.745 years
- Comet.inclination
- 19.059°
- Comet.asc_node
- 118.79°
via Wikipedia infobox
Wikidata facts
- Instance of
- Jupiter-family comet
- Named after
- Fernand Rigaux
- Parent body
- Sun
- Diameter
- 8.48
- Orbital period
- 2456.112976148325
- Image
- Comet Arend–Rigaux.jpg
Show 17 more facts
- discoverer or inventor
- Fernand Rigaux
- time of discovery or invention
- 1951-02-05
- site of astronomical discovery
- Royal Observatory of Belgium
- provisional designation
- 1951b
- absolute magnitude
- 14.3
- albedo
- 0.028
- rotation period
- 13.45
- time of periapsis
- 2455853.5788903446
- epoch
- November 11, 2011
- orbital eccentricity
- 0.6003391501079076
- semi-major axis of an orbit
- 3.562596266781848
- periapsis
- 1.423830251804429
- apoapsis
- 5.701362281759268
- orbital inclination
- 19.05041403558801
- longitude of ascending node
- 118.8764387654911
- argument of periapsis
- 332.7905343593407
- mean anomaly
- 3.359606786257037
via Wikidata · CC0
~3 min read
Encyclopedic overview
12 sectionsContents
- Observational history
- Discovery
- Physical characteristics
- Nucleus size
- Rotation
- Other features
- Orbit
- References
- Notes
- Citations
- Bibliography
- External links
49P/Arend–Rigaux is a periodic comet with a 6.75-year orbit around the Sun. It is the first of three comets discovered by Belgian astronomer Sylvain Arend and the only one for Fernand Rigaux.
== Observational history == === Discovery === While on a routine search for new asteroids in the sky, Sylvain Arend and Fernand Rigaux discovered a new comet on the night of 5 February 1951. It was a diffuse 11th-magnitude object within the constellation Canis Minor.
Excerpted from Wikipedia’s “49P/Arend–Rigaux” article, available under the CC BY-SA 4.0 licence.