C/1974 V2 (Bennett)

Last updated
C/1974 V2 (Bennett)
Discovery [1]
Discovered by John Caister Bennett
Discovery site Pretoria, South Africa
Discovery date13 November 1974
Designations
1974h [2]
1974 XV
Orbital characteristics [3]
Epoch 19 November 1974 (JD 2442370.5)
Observation arc 10 days
Number of
observations
14
Aphelion 19,270 AU
Perihelion 0.8646 AU
Semi-major axis 9,635 AU
Eccentricity 0.99991
Orbital period 945,833 years
Max. orbital speed 45.3 km/s
Inclination 134.827°
51.348°
Argument of
periapsis
324.967°
TJupiter –0.812
Earth MOID 0.0356 AU
Jupiter MOID 0.8857 AU
Physical characteristics [4]
Comet total
magnitude
(M1)
10.0
8.5
(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. [5]

Contents

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. [a] 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 [6]

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References

Notes

  1. Reported initial position upon discovery was: α = 11h 16.6m, δ = –33° 48 [4]

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. 1 2 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.