322P/SOHO
Sign in to saveAlso known as P/2007 R5, P/2007 R5 (SOHO)
322P/SOHO is the first periodic comet to be discovered using the automated telescopes of the Solar and Heliospheric Observatory (SOHO) spacecraft, and second to be given a numbered designation, after 321P/SOHO. At perihelion, it is six times closer to the Sun than the planet Mercury.
Key facts
- Comet.name
- 322P/SOHO
- Comet.discoverer
- SOHO
- Comet.discovery_date
- 4 September 1999
- Comet.designations
- SOHO-85SOHO-661
- Comet.epoch
- 15 September 2015 (JD 2457280.5)
- Comet.observation_arc
- 15.93 years
- Comet.earliest_precovery_date
- 27 November 254?
- Comet.obs
- 319
- Comet.perihelion
- 0.0507 AU
- Comet.aphelion
- 4.979 AU
- Comet.semimajor
- 2.516 AU
- Comet.max_speed
- 187 km/s (2023)
- Comet.min_speed
- 1.9 km/s (2017)
- Comet.eccentricity
- 0.97869
- Comet.period
- 3.992 years
- Comet.inclination
- 12.583°
- Comet.asc_node
- 359.48°
- Comet.arg_peri
- 49.098°
via Wikipedia infobox
Wikidata facts
- Instance of
- near-Earth object
- Parent body
- Sun
- Orbital period
- 1457.914572962026
Show 14 more facts
- time of discovery or invention
- 1999-09-04
- discoverer or inventor
- Solar and Heliospheric Observatory
- provisional designation
- 322P/1999 R1
- absolute magnitude
- 19.0
- epoch
- June 6, 2015
- orbital eccentricity
- 0.9786764762641811
- semi-major axis of an orbit
- 2.51626146560583
- periapsis
- 0.0536555610873724
- apoapsis
- 4.978867370124287
- orbital inclination
- 12.58923564712983
- longitude of ascending node
- 359.5244877541514
- argument of periapsis
- 49.04947677107452
- mean anomaly
- 337.760658834809
- time of periapsis
- 2457269.564054383
Sources (2)
via Wikidata · CC0
~3 min read
Encyclopedic overview
8 sectionsContents
- Observational history
- Possible connection with the Great Comet of 254 AD
- Physical characteristics
- Orbit
- Exploration
- See also
- References
- External links
322P/SOHO is the first periodic comet to be discovered using the automated telescopes of the Solar and Heliospheric Observatory (SOHO) spacecraft, and second to be given a numbered designation, after 321P/SOHO. At perihelion, it is six times closer to the Sun than the planet Mercury.
== Observational history == The comet was first spotted by Terry Lovejoy after analyzing SOHO imagery on 4 September 1999.
Excerpted from Wikipedia’s “322P/SOHO” article, available under the CC BY-SA 4.0 licence.