List of hyperbolic comets

hyperbolic cometC/1925 F1C/1959 O1C/1852 K1C/1947 Y1C/1957 U1C/1989 Y2a few objectsC/1879 Q1C/1914 M1
This is a list of parabolic and hyperbolic comets in the Solar System.wikipedia
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cometslong-period cometJupiter-family comet
This is a list of parabolic and hyperbolic comets in the Solar System.
Hyperbolic comets may pass once through the inner Solar System before being flung to interstellar space.

Comet of 1729

C/1729 P1Comet Sarabat
The Comet of 1729, also known as C/1729 P1 or Comet Sarabat, was an assumed parabolic comet with an absolute magnitude of −3, the brightest ever observed for a comet; it is therefore considered to be potentially the largest comet ever seen.

Interstellar object

interstellar cometrogue cometinterstellar
Many of these comets may come from the Oort cloud, or perhaps even have interstellar origin.
(There are a few objects whose orbits are so close to parabolic that their gravitationally bound status is unclear.)

Caesar's Comet

appearance of a cometComet StarJulian star
In the absence of accurate contemporary observations (or later observations confirming an orbit that predicts the earlier appearance), calculation of the comet's orbit is problematic and a parabolic orbit is conventionally assumed.

Grigory Neujmin

G. N. NeujminGrigory N. NeujminGrigory Nikolaevich Neujmin
Grigory Nikolayevich Neujmin (Григорий Николаевич Неуймин; –December 17, 1946) was a Georgian–Russian astronomer, native of Tbilisi in Georgia, and a discoverer of numerous minor planets as well as 6 periodic and a hyperbolic comet at the Pulkovo and Simeiz Observatories during the first half of the 20th century.

Johann Palisa

J. PalisaPalisaPalisa, J.
He also discovered the parabolic comet C/1879 Q1 in August 1879.

Jean Chacornac

J. ChacornacChacornac
Working in Marseille and Paris, he discovered six asteroids in the asteroid belt (see table) and C/1852 K1 (Chacornac), a parabolic comet in 1852.

Paul Wild (Swiss astronomer)

Paul WildP. WildWild
At the Zimmerwald Observatory, near Bern, Wild made his first cometary discovery C/1957 U1 (1957 IX) on 2 October 1957.

Hyperbolic trajectory

hyperbolichyperbolic orbithyperbolic excess velocity
This is a list of parabolic and hyperbolic comets in the Solar System.

Hendrik van Gent

H. van Gentvan Gent
He studied variable stars and also discovered three comets, namely C/1941 K1, C/1944 K2 and C/1943 W1.

Josep Comas i Solà

Josep Comas SoláJ. Comas SoláJosep Comas Solà
He discovered the periodic comet 32P/Comas Solà, and co-discovered the non-periodic comet C/1925 F1 (Shajn-Comas Solà); he is also credited by the Minor Planet Center with the discovery of 11 asteroids during 1915–1930.

Naoto Satō

N. SatōNaoto SatoSato
Naoto Satō is also known for the prediscovery of C/1989 Y2, a parabolic comet credited to McKenzie–Russell.

Cuno Hoffmeister

C. HoffmeisterHoffmeister
He also co-discovered C/1959 O1, a hyperbolic comet, in 1957.

Grigory Shajn

Grigory Abramovich ShajnGrigory ShaynG. A. Shajn
He also co-discovered the non-periodic comet C/1925 F1 (Shajn-Comas Solá), also known as Comet 1925 VI or Comet 1925a.

C/2017 U7

A/2017 U7
C/2017 U7 is a hyperbolic comet (previously classified as A/2017 U7, a hyperbolic asteroid), first observed on 29 October 2017 by astronomers of the Pan-STARRS facility at Haleakala Observatory, Hawaii, United States when the object was 7.8 AU from the Sun.

C/2018 C2 (Lemmon)

C/2018 C2
C/2018 C2 (Lemmon) is a hyperbolic comet (previously classified as A/2018 C2, a hyperbolic asteroid).


C/2018 F4
C/2018 F4 (PANSTARRS) is a hyperbolic comet (previously classified as A/2018 F4, a hyperbolic asteroid).

C/2015 V2

C/2015 V2 (Johnson) is a hyperbolic comet discovered on 3 November 2015 by Jess Johnson (Catalina Sky Survey) at an apparent magnitude of 17.1 using a 0.68 m Schmidt–Cassegrain telescope.

C/2016 U1 (NEOWISE)

C/2016 U1
C/2016 U1 (NEOWISE) is a hyperbolic comet discovered 21 October 2016 by NEOWISE, the asteroid-and-comet-hunting portion of the Wide-Field Infrared Survey Explorer (WISE) mission.

C/2019 E3 (ATLAS)

C/2019 E3
C/2019 E3 (ATLAS) is a hyperbolic comet discovered on March 5, 2019 by ATLAS (Asteroid Terrestrial-impact Last Alert System).

List of comets by type

Halley-type comettwo long-period comets
Comets are sorted into four categories: periodic comets (e.g. Halley's Comet), non-periodic comets (e.g. Comet Hale–Bopp), comets with no meaningful orbit (the Great Comet of 1106), and lost comets (5D/Brorsen), displayed as either P (periodic), C (non-periodic), X (no orbit), and D (lost).

John Broughton

J. BroughtonBroughton
Discovered 11 April 2004 on the first full night of operations with the 20" telescope, Apollo asteroid is one of only 157 known kilometer-size PHAs and the largest such discovery made by a non-professional astronomer. The short-period comet P/2005 T5 (Broughton) was discovered in October, 2005, followed nine months later by the hyperbolic comet C/2006 OF2 (Broughton) at a distant 7.7 AU from the sun and more than two years from reaching perihelion.