List of near-parabolic comets

non-periodic cometList of non-periodic cometslong-periodnon-periodicnear-parabolic cometsnear-parabolic cometnon-periodic cometsC/1844 Y1C/1893 N1 Rordame-QuenissetC/1944 H1
The following is a list of comets with a very high eccentricity (generally 0.99 or higher) and a period of over 1,000 years that don't quite have a high enough velocity to escape the Solar System.wikipedia
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Comet Donati

Donati's CometC/1858 L1Donati Comet
Comet Donati, or Donati's Comet, formally designated C/1858 L1 and 1858 VI, is a long-period comet named after the Italian astronomer Giovanni Battista Donati who first observed it on June 2, 1858.

Comet Skjellerup–Maristany

C/1927 X1C/1927 X1 (Skjellerup–Maristany)Comet Skjellerup-Maristany
Comet Skjellerup–Maristany, formally designated C/1927 X1, 1927 IX, and 1927k, was a long-period comet which became very bright in 1927.

Comet Ikeya–Seki

Comet Ikeya-SekiC/1965 S1Ikeya–Seki
Comet Ikeya–Seki, formally designated C/1965 S1, 1965 VIII, and 1965f, was a long-period comet discovered independently by Kaoru Ikeya and Tsutomu Seki.

Comet Humason

C/1961 R1
Comet Humason, formally designated C/1961 R1 (a.k.a. 1962 VIII and 1961e), was a non-periodic comet discovered by Milton L. Humason on September 1, 1961.

Comet

cometslong-period cometJupiter-family comet
The following is a list of comets with a very high eccentricity (generally 0.99 or higher) and a period of over 1,000 years that don't quite have a high enough velocity to escape the Solar System.
The Great Comet of 1577 passed near Earth as a non-periodic comet and was seen by many, including well-known astronomers Tycho Brahe and Taqi ad-Din.

Yrjö Väisälä

Y. VäisäläVäisäläY. Vaisala
The parabolic comet C/1944 H1 observed in 1944 and 1945, as well as the two short period comets, 40P/Väisälä, a Jupiter-family comet, and C/1942 EA, a Halley-type and near-Earth comet.

Comet Pojmański

C/2006 A1C/2006 A1 (Pojmański)Comet Pojmański (C/2006 A1)
Comet Pojmański is a non-periodic comet discovered by Grzegorz Pojmański on January 2, 2006 and formally designated C/2006 A1.

Comet Machholz

C/2004 Q2
Comet Machholz, formally designated C/2004 Q2, is a long-period comet discovered by Donald Machholz on August 27, 2004.

Comet Lulin

C/2007 N3
Comet Lulin (official designation C/2007 N3 (Lulin), Traditional Chinese:鹿林彗星) is a non-periodic comet.

Charles W. Juels

C. W. JuelsCharles JuelsJuels
In December 2002, Juels and Paulo R. Holvorcem won the "Harvard-Smithsonian 2003 Comet Award" for their joint charge-coupled-device (CCD) electronic-camera discovery of C/2002 Y1, a near-parabolic comet.

C/2012 S4

C/2012 S4 (PANSTARRS)
C/2012 S4 is a non-periodic comet with the largest listed aphelion of any object on the JPL Small-Body Database.

Comet Yi–SWAN

C/2009 F6C/2009 F6 (Yi-SWAN)
Comet C/2009 F6 (Yi–SWAN) is a non-periodic comet which appeared in March 2009.

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).

Roy A. Tucker

R. A. TuckerRoy TuckerTucker
He has also discovered two comets: 328P/LONEOS–Tucker and C/2004 Q1, a Jupiter-family and near-parabolic comet, respectively.

Orbital eccentricity

eccentricityeccentriceccentricities
The following is a list of comets with a very high eccentricity (generally 0.99 or higher) and a period of over 1,000 years that don't quite have a high enough velocity to escape the Solar System.

Orbital period

periodsynodic periodsynodic
The following is a list of comets with a very high eccentricity (generally 0.99 or higher) and a period of over 1,000 years that don't quite have a high enough velocity to escape the Solar System.

Escape velocity

escapeEarth's escape velocityescape velocities
The following is a list of comets with a very high eccentricity (generally 0.99 or higher) and a period of over 1,000 years that don't quite have a high enough velocity to escape the Solar System.

Solar System

outer Solar Systeminner Solar Systemouter planets
The following is a list of comets with a very high eccentricity (generally 0.99 or higher) and a period of over 1,000 years that don't quite have a high enough velocity to escape the Solar System.

Semi-major and semi-minor axes

semi-major axissemimajor axissemi-major axes
Often, these comets, due to their extreme semimajor axes and eccentricity, will have small orbital interactions with planets and minor planets, most often ending up with the comets fluctuating significantly in their orbital path.

Planet

planetsFormer classification of planetsplanemo
Often, these comets, due to their extreme semimajor axes and eccentricity, will have small orbital interactions with planets and minor planets, most often ending up with the comets fluctuating significantly in their orbital path.

Minor planet

planetoidminor planetsplanetoids
Often, these comets, due to their extreme semimajor axes and eccentricity, will have small orbital interactions with planets and minor planets, most often ending up with the comets fluctuating significantly in their orbital path.