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C/1974 V2 (Bennett)

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Non-periodic comet For the 1969–1970 comet of the same name, see C/1969 Y1 (Bennett).
C/1974 V2 (Bennett)
Discovery
Discovered byJohn Caister Bennett
Discovery sitePretoria, South Africa
Discovery date13 November 1974
Designations
Alternative designations1974h
1974 XV
Orbital characteristics
Epoch19 November 1974 (JD 2442370.5)
Observation arc10 days
Number of
observations		14
Aphelion19,270 AU
Perihelion0.8646 AU
Semi-major axis9,635 AU
Eccentricity0.99991
Orbital period945,833 years
Max. orbital speed45.3 km/s
Inclination134.827°
Longitude of
ascending node		51.348°
Argument of
periapsis		324.967°
TJupiter–0.812
Earth MOID0.0356 AU
Jupiter MOID0.8857 AU
Physical characteristics
Comet total
magnitude (M1)		10.0
Apparent magnitude8.5
(1974 apparition)

Comet Bennett, formally designated as C/1974 V2, is a non-periodic comet that was seen in 1974. During its most recent perihelion, the comet was observed to split apart and disintegrate.

Discovery and observations

On the morning of 13 November 1974, John Caister Bennett discovered his second comet as a diffuse 9th-magnitude object in the constellation Hydra using a 125 mm (4.9 in) refractor from Pretoria, South Africa. He had spent a total of 482 hours searching for a new comet since his first discovery in 1969. At the time, the comet had no discernible coma nor tail, however Bennett was of the opinion it experienced an outburst lasting about five days just before discovery

References

Notes

  1. Reported initial position upon discovery was: α = 11 16.6 , δ = –33° 48′

Citations

  1. B. G. Marsden (14 November 1974). "Comet Bennett (1974h)". Central Bureau for Astronomical Telegrams. 2719.
  2. "Comet Names and Designations". International Comet Quarterly. Retrieved 3 December 2024.
  3. "C/1974 V2 (Bennett) – JPL Small-Body Database Lookup". ssd.jpl.nasa.gov. Jet Propulsion Laboratory. Retrieved 12 December 2024.
  4. ^ G. W. Kronk (1999). Cometography: A Catalog of Comets. Vol. 5: 1960–1982. Cambridge University Press. pp. 434–436. ISBN 978-0-521-87226-3.
  5. "Split comets". International Comet Quarterly. Retrieved 12 December 2024.
  6. J. C. Bennett (1974). "How I found comet 1974h". The Astronomer. 11: 157–158. Bibcode:1974Astr...11..157B.

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