File:Comet_ISON_(C-2012_S1)_by_TRAPPIST_on_2013-11-15.jpg · Wikimedia Commons · See Wikimedia Commons
C/2012 S1
Sign in to saveAlso known as Comet ISON
comet discovered in 2012, with a close approach to Earth in December 2013
In the Vinony graph
Vinony's link graph records 676 inbound references to C/2012 S1, and connects out to comet, apsis and C/2020 F3 (NEOWISE).
Vinony files it under Astronomical objects discovered in 2012, Comets in 2012 and Comets in 2013.
Vinony links it to 45 Wikipedia language editions.
Key facts
- Discovered by
- Vitaly Nevsky , Artyom Novichonok
- Discovery site
- ISON –Kislovodsk ( D00 )
- Discovery date
- 21 September 2012
- Epoch
- 14 December 2013 ( JD 2456640.5)
- Observation arc
- 2.15 years
- Number of observations
- 6,682
- Orbit type
- Oort cloud
- Perihelion
- 0.01244 AU (2.68 R ☉ )
- Eccentricity
- 1.000000086 (epoch 1950) , 0.9999947 (near perihelion) , 1.0002 (epoch 2050)
- Orbital period
- Ejection trajectory (epoch 2050)
- Max orbital speed
- 337.3 km/s (755,000 mph; 1.214 million km/h; 209.6 mi/s)
- Inclination
- 62.4°
- Last perihelion
- 28 November 2013
- Dimensions
- 0.6–1.4 km (0.37–0.87 mi)
- Apparent magnitude
- –2.0, (2013 apparition)
via Wikipedia infobox
Wikidata facts
- Image
- A Unique Hubble View of Comet ISON.jpg
Show 13 more facts
- Commons category
- C/2012 S1
- time of discovery or invention
- 2012-09-21
- orbital eccentricity
- 1.000005095690719
- periapsis
- 0.0124667131396643
- longitude of ascending node
- 295.6865418045648
- orbital inclination
- 62.16289397901024
- argument of periapsis
- 345.5411989420559
- periapsis date (DEPRECATED)
- 2013-00-00
- absolute magnitude
- 10.2
- provisional designation
- C/2012 S1
- mean anomaly
- -0.001724780901920006
- semi-major axis of an orbit
- -2446.520761814393
- time of periapsis
- 2456625.2645302867
Sources (3)
via Wikidata · CC0
~19 min read
Encyclopedic overview
Comet ISON, formally known as C/2012 S1, was a sungrazing comet from the Oort cloud which was discovered on 21 September 2012 by Vitaly Nevsky (Віталь Неўскі, Vitebsk, Belarus) and Artyom Novichonok (Артём Новичонок, Kondopoga, Russia).
History
Excerpted from Wikipedia’s “C/2012 S1” article, available under the CC BY-SA 4.0 licence.