Brian P. Roman

Last updated
Minor planets discovered: 11  [1]
4490 Bambery July 14, 1988 MPC [1]
4954 Eric September 23, 1990 MPC
(5131) 1990 BG January 21, 1990 MPC [1]
5186 Donalu September 22, 1990 MPC
5588 Jennabelle September 23, 1990 MPC
5620 Jasonwheeler July 19, 1990 MPC [1]
12272 Geddylee September 22, 1990 MPC
19155 Lifeson September 22, 1990 MPC
23469 Neilpeart September 22, 1990 MPC
(24693) 1990 SB2 September 23, 1990 MPC
(29180) 1990 SW1 September 22, 1990 MPC

Brian P. Roman is an American astronomer. [2]

He has co-discovered the periodic comets 111P/Helin–Roman–Crockett, 117P/Helin–Roman–Alu and 132P/Helin–Roman–Alu. Brian Roman is also credited by the Minor Planet Center with the discovery of 11 minor planet between 1988 and 1990, including 4954 Eric, a near-Earth asteroid of the Apollo group. [3] All of his discoveries were made at Palomar Observatory, where he also participated in the Planet-Crossing Asteroid Survey. [2]

Comet Icy small Solar System body

A comet is an icy, small Solar System body that, when passing close to the Sun, warms and begins to release gases, a process called outgassing. This produces a visible atmosphere or coma, and sometimes also a tail. These phenomena are due to the effects of solar radiation and the solar wind acting upon the nucleus of the comet. Comet nuclei range from a few hundred metres to tens of kilometres across and are composed of loose collections of ice, dust, and small rocky particles. The coma may be up to 15 times the Earth's diameter, while the tail may stretch one astronomical unit. If sufficiently bright, a comet may be seen from the Earth without the aid of a telescope and may subtend an arc of 30° across the sky. Comets have been observed and recorded since ancient times by many cultures.

111P/Helin–Roman–Crockett is a periodic comet in the Solar System. It was discovered by Eleanor and Ron Helin on 5 January 1989 from images obtained on the 3rd and 4th of that month. It is a Jupiter family comet known for extremely close approaches to Jupiter being a Quasi-Hilda comet. During these approaches, it actually orbits Jupiter. The last such approach was in 1976, the next will be in 2071. The Jovian orbits are highly elliptical and subject to intense Solar perturbation at apojove which eventually pulls the comet out of Jovian orbit for the cycle to begin anew.

117P/Helin–Roman–Alu, also known as Helin-Roman-Alu 1, is a periodic comet in the Solar System. It is a Quasi-Hilda comet.

The main-belt asteroid 4575 Broman, discovered by American astronomer Eleanor Helin in 1987, was named in his honour. [2]

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4954 Eric asteroid

4954 Eric, provisional designation 1990 SQ is an eccentric, stony asteroid, classified as near-Earth object of the Amor group, approximately 11 kilometers in diameter. It was discovered by American astronomer Brian Roman at Palomar Observatory on 23 September 1990. The asteroid was named after its discoverer's son, Eric Roman.

8013 Gordonmoore, provisional designation 1990 KA, is an eccentric, stony asteroid and near-Earth object of the Apollo group, approximately 1–2 kilometers in diameter.

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References

  1. ↑ "Minor Planet Discoverers (by number)". Minor Planet Center. 23 May 2016. Retrieved 6 June 2016.
  2. 1 2 3 Schmadel, Lutz D. (2007). Dictionary of Minor Planet Names – (4575) Broman. Springer Berlin Heidelberg. p. 394. ISBN   978-3-540-00238-3 . Retrieved 6 June 2016.
  3. ↑ "4954 Eric (1990 SQ)". Minor Planet Center. Retrieved 6 June 2016.


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