276P/Vorobjov

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Jupiter-family comet

title: "276P/Vorobjov" type: doc version: 1 created: 2026-02-28 author: "Wikipedia contributors" status: active scope: public tags: ["periodic-comets", "numbered-comets", "comets-in-2013", "comets-in-2024", "astronomical-objects-discovered-in-2012"] description: "Jupiter-family comet" topic_path: "general/periodic-comets" source: "https://en.wikipedia.org/wiki/276P/Vorobjov" license: "CC BY-SA 4.0" wikipedia_page_id: 0 wikipedia_revision_id: 0

::summary Jupiter-family comet ::

::data[format=table title="Infobox comet"]

Field	Value
name	276P/Vorobjov
caption	Stack of 4x40s exposures by Andrea Boattini at Mt. Lemmon (G96)
discoverer	Tomas Vorobjov
0.8-m Schulman Telescope (G84)
discovery_date	15 October 2012
designations	P/2012 T7 (Vorobjov)
epoch	2456320.5
(2013 Jan. 28.0)
aphelion	6.86878 AU
perihelion	3.92386 AU
semimajor	5.39632 AU
eccentricity	0.27286
period	12.50 a
inclination	14.4656°
last_p	2013 Jan. 16.14
next_p	2024-Dec-10
::

276P/Vorobjov (previously P/2012 T7 (Vorobjov)) is a Jupiter-family comet discovered on 15 October 2012 by Tomáš Vorobjov on three 120-s images taken remotely using the 0.81-m f/7 Ritchey-Chretien Schulman Telescope located at the Mt. Lemmon SkyCenter via the Sierra Stars Observatory Network in the course of a minor-planet search survey undertaken as part of the International Astronomical Search Collaboration (IASC) school campaigns. After posting on the Minor Planet Center's NEOCP webpage, other observers have commented on the object's cometary appearance. The discovery was announced by the Minor Planet Center on 18 October, three days after the discovery.

Prediscovery

On December 29, 2012, Robert Matson (Newport Coast, CA, USA) has identified NEAT observations of this comet obtained with the Palomar 1.2m Schmidt telescope on December 19, 2000 and January 20, 2001, and G. V. Williams (MPC) has confirmed the identity; Williams then identified prediscovery observations acquired by A. Boattini at Mount Lemmon (G96) on 2011 Nov 1. in incidental astrometry sent to the Minor Planet Center, when the object's magnitude was measured as being 21.1-21.8.

Confirmation

A confirmation set of images was taken by R. Holmes the following night with a 0.61-m f/4 astrograph from Westfield, IL (H21) and showed a 6″ coma and a tail 25″ long in PA 260°. Due to its cometary appearance, the object was posted on the NEO Confirmation Page under the temporary designation TOV7DD.

Gallery

File:P-2012 T7 discovery sequence.gif|Discovery sequence animation File:Confirmation of cometary features of TOV7DD.jpg|Confirmation of the cometary features of TOV7DD, by R. Holmes (H21) File:Preliminary orbit of Comet P 2012 T7 (VOROBJOV).png|Preliminary orbit diagram based on observations between 15-18 Octobter 2012

References

|date=2012-11-16 |title=MPEC 2012-Y39: COMET P/2012 T7 (VOROBJOV) |publisher=IAU Minor Planet Center |url=http://www.minorplanetcenter.net/mpec/K12/K12Y39.html |access-date=2012-12-30}}

|date=2012-10-18 |title=MPEC 2012-U40 : COMET P/2012 T7 (VOROBJOV) |publisher=IAU Minor Planet Center |url=http://www.minorplanetcenter.net/mpec/K12/K12U40.html |access-date=2012-10-18}}

|date=2012-10-18 |title=New Comet: P/2012 T7 (VOROBJOV) |publisher=Remanzacco |url=http://remanzacco.blogspot.it/2012/10/new-comet-p2012-t7-vorobjov.html |access-date=2012-10-18}}

|date=2012-10-19 |title=New comet P/2012 T7 (Vorobjov) |publisher=Luca Buzzi |url=http://schiaparelli204.wordpress.com/2012/10/19/new-comet-p2012-t7-vorobjov/ |access-date=2012-10-19}}

|title=276P/Vorobjov Orbit |url=http://www.minorplanetcenter.net/db_search/show_object?object_id=276P |publisher=Minor Planet Center |access-date=2014-06-20}}

::callout[type=info title="Wikipedia Source"] This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page. ::