2031 BAM

Last updated

2031 BAM
Orbit of 2031 BAM.gif
Orbital diagram of BAM
Discovery  [1]
Discovered by L. Chernykh
Discovery site Crimean Astrophysical Obs.
Discovery date8 October 1969
Designations
(2031) BAM
Named after
 Baikal–Amur Mainline   [2]
(Siberian railway line)
1969 TG2 ·1939 VB
1959 TW ·1972 NQ
main-belt  ·(inner)
Flora   [3] [4]
Orbital characteristics   [1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc 77.39 yr (28,268 days)
Aphelion 2.6203 AU
Perihelion 1.8477 AU
2.2340 AU
Eccentricity 0.1729
3.34 yr (1,220 days)
124.02°
0° 17m 42.72s / day
Inclination 4.7524°
169.28°
213.58°
Physical characteristics
Dimensions 7.14 km (calculated) [3]
8.14±0.36 km [5]
10.774±0.004 h [6]
0.170±0.017 [5]
0.24 (assumed) [3]
S   [3] [7]
12.9 [1] [3]  ·13.00 [5]  ·13.05±0.81 [7]

    2031 BAM, provisional designation 1969 TG2, is a stony Florian asteroid from the inner regions of the asteroid belt, approximately 8 kilometers in diameter. It was discovered on 8 October 1969, by Soviet astronomer Lyudmila Chernykh at the Crimean Astrophysical Observatory in Nauchnyj, on the Crimean peninsula. [8] The asteroid was named for those who built the Baikal–Amur Mainline (BAM; БАМ), a Siberian railway line. [2]

    Contents

    Orbit and classification

    BAM is a member of the Flora family ( 402 ), [3] [4] a giant asteroid family and the largest family of stony asteroids in the main belt. [9] : 23  It orbits the Sun in the inner asteroid belt at a distance of 1.8–2.6  AU once every 3 years and 4 months (1,220 days; semi-major axis of 2.23 AU). Its orbit has an eccentricity of 0.17 and an inclination of 5° with respect to the ecliptic. [1]

    The body's observation arc begins with its identification as 1939 VB at Uccle Observatory in November 1939, almost 30 years prior to its official discovery observation at Nauchnyj. [8]

    Physical characteristics

    BAM has been characterized as a stony S-type asteroid by Pan-STARRS photometric survey. [7]

    Rotation period

    In October 2016, a rotational lightcurve of BAM was obtained from photometric observations by amateur astronomer Matthieu Conjat. Lightcurve analysis gave a well-defined rotation period of 10.774 hours with a brightness amplitude of 0.15 magnitude ( U=3 ). [6]

    Diameter and albedo

    According to the survey carried out by the Japanese Akari satellite, BAM measures 8.14 kilometers in diameter and its surface has an albedo of 0.170. [5] The Collaborative Asteroid Lightcurve Link assumes a standard albedo of 0.24 – derived from 8 Flora, the parent body of the Flora family – and calculates a diameter of 7.14 kilometers based on an absolute magnitude of 12.9. [3]

    Naming

    This minor planet was named after those who constructed the Baikal–Amur Mainline (BAM; БАМ) through eastern Russia from 1974 to 1986. The rail line opened in 1989, and runs between Ust-Kut (near Lake Baikal and Komsomolsk-on-Amur. [2] [10] The official naming citation was published by the Minor Planet Center on 1 September 1978 ( M.P.C. 4482). [11]

    Related Research Articles

    <span class="mw-page-title-main">364 Isara</span> Main-belt asteroid

    364 Isara is a stony Florian asteroid from the inner regions of the asteroid belt, approximately 27 kilometers in diameter. It was discovered on 19 March 1893, by French astronomer Auguste Charlois at the Nice Observatory in southeast France. The asteroid was named after the Isère River in France.

    <span class="mw-page-title-main">812 Adele</span> Eunomia asteroid

    812 Adele is an elongated Eunomia asteroid from the central regions of the asteroid belt. It was discovered on 8 September 1915, by Russian astronomer Sergey Belyavsky at the Simeiz Observatory on the Crimean peninsula. The presumed S-type asteroid has a rotation period of 5.9 hours and measures approximately 13 kilometers in diameter. It was likely named after the character "Adele" in the opera Die Fledermaus by Johann Strauss.

    1026 Ingrid, provisional designation 1923 NY, is a stony Florian asteroid and long-lost minor planet (1923–1986) from the inner regions of the asteroid belt, approximately 7 kilometers in diameter. It was discovered by Karl Reinmuth at Heidelberg in 1923, and later named after Ingrid, niece and godchild of astronomer Albrecht Kahrstedt.

    <span class="mw-page-title-main">1050 Meta</span> Stony, main-belt asteroid of the Eunomia family

    1050 Meta, provisional designation 1925 RC, is a stony Eunomia asteroid from the central regions of the asteroid belt, approximately 10 kilometers in diameter. It was discovered on 14 September 1925, by German astronomer Karl Reinmuth at the Heidelberg Observatory in southwest Germany. The meaning of the asteroids's name is unknown. The presumably S-type asteroid has a rotation period of 6.14 hours and possibly an elongated shape.

    <span class="mw-page-title-main">1075 Helina</span>

    1075 Helina, provisional designation 1926 SC, is a stony Eos asteroid from the outer regions of the asteroid belt, approximately 34 kilometers in diameter. It was discovered on 29 September 1926, by astronomer Grigory Neujmin at the Simeiz Observatory on the Crimean peninsula. The asteroid was named after the discoverer's son, Helij Neujmin.

    <span class="mw-page-title-main">1094 Siberia</span>

    1094 Siberia is an Eunomian asteroid from the central regions of the asteroid belt. It was discovered on 12 February 1926, by Soviet astronomer Sergey Belyavsky at the Simeiz Observatory on the Crimean peninsula. The X-type asteroid (Xk) has a rotation period of 21.2 hours and measures approximately 18 kilometers in diameter. It was named after the vast region of Siberia in North Asia.

    <span class="mw-page-title-main">1133 Lugduna</span>

    1133 Lugduna, provisional designation 1929 RC1, is a stony Florian asteroid from the inner regions of the asteroid belt, approximately 9.5 kilometers in diameter. It was discovered on 13 September 1929, by Dutch astronomer Hendrik van Gent at the Leiden Southern Station annex to the Union Observatory in Johannesburg, South Africa. The asteroid was named in honor of the city of Leiden in the Netherlands.

    <span class="mw-page-title-main">3787 Aivazovskij</span>

    3787 Aivazovskij (prov. designation: 1977 RG7) is a stony asteroid of the Itha family, located in the outer region of the asteroid belt. It was discovered by Soviet–Russian astronomer Nikolai Chernykh at the Crimean Astrophysical Observatory in Nauchnyj, on the Crimean peninsula, on 11 September 1977. The stony S-type asteroid has a rotation period of 3.0 hours and measures approximately 13 kilometers (8.1 miles) in diameter. It was named after painter Ivan Aivazovsky (1817–1900).

    1671 Chaika, provisional designation 1934 TD, is a background asteroid from the Astraea region in the central asteroid belt, approximately 10 kilometers in diameter. It was discovered on 3 October 1934, by Soviet astronomer Grigory Neujmin at the Simeiz Observatory on the Crimean peninsula. The assumed S-type asteroid has a rotation period of 3.8 hours. It was named for Soviet cosmonaut Valentina Tereshkova.

    <span class="mw-page-title-main">1419 Danzig</span> Flora asteroid

    1419 Danzig is a highly elongated Flora asteroid from the inner regions of the asteroid belt. It was discovered on 5 September 1929, by German astronomer Karl Reinmuth at Heidelberg Observatory in southwest Germany. The stony S-type asteroid has a rotation period of 8.1 hours and measures approximately 14 kilometers in diameter. It was named for the city of Gdańsk.

    2126 Gerasimovich, provisional designation 1970 QZ, is a stony background asteroid from the inner regions of the asteroid belt, approximately 8 kilometers in diameter. It was discovered on 30 August 1970, by Soviet astronomer Tamara Smirnova at the Crimean Astrophysical Observatory in Nauchnyj, on the Crimean peninsula. The asteroid was named after Russian astronomer Boris Gerasimovich.

    1370 Hella, provisional designation 1935 QG, is a stony Florian asteroid from the inner regions of the asteroid belt, approximately 5.4 kilometers in diameter. It was discovered on 31 August 1935, by astronomer Karl Reinmuth at the Heidelberg-Königstuhl State Observatory in southwest Germany. The asteroid was named for Helene Nowacki, an astronomer at the Astronomical Calculation Institute.

    1532 Inari, provisional designation 1938 SM, is a stony Eoan asteroid from the outer regions of the asteroid belt, approximately 28 kilometers in diameter. Discovered by Yrjö Väisälä at Turku Observatory in 1938, it was later named for Lake Inari in northern Finland.

    1434 Margot, provisional designation 1936 FD1, is a stony Eoan asteroid from the outer regions of the asteroid belt, approximately 29 kilometers in diameter. It was discovered on 19 March 1936, by Soviet astronomer Grigory Neujmin at the Simeiz Observatory on the Crimean peninsula. The asteroid was named after Gertrud Margot Görsdorf, a friend of German astronomer of Wilhelm Gliese.

    1499 Pori, provisional designation 1938 UF, is a stony Eunomian asteroid from the central regions of the asteroid belt, approximately 15 kilometers in diameter. It was discovered on 16 October 1938, by Finnish astronomer Yrjö Väisälä at the Turku Observatory in southwest Finland. The asteroid was named after the Finnish city of Pori.

    1238 Predappia, provisional designation 1932 CA, is a dark Adeonian asteroid from the central regions of the asteroid belt, approximately 21 kilometers in diameter. It was discovered on 4 February 1932, by astronomer Luigi Volta at the Observatory of Turin in Pino Torinese, Italy. It was later named after the Italian village of Predappio.

    2122 Pyatiletka, provisional designation 1971 XB, is a stony asteroid from the inner regions of the asteroid belt, approximately 11 kilometers in diameter.

    <span class="mw-page-title-main">1364 Safara</span>

    1364 Safara, incorrectly designated 1935 VB, is an Eoan asteroid from the outer regions of the asteroid belt, approximately 25 kilometers in diameter. It was discovered on 18 November 1935, by French astronomer Louis Boyer at the Algiers Observatory in Algeria, North Africa. The asteroid should have been designated 1935 WB, as the letter "V" only covers discoveries made during 1–15 November. It was named after André Safar, presumably an acquaintance of the discoverer from Algiers.

    <span class="mw-page-title-main">2111 Tselina</span> Stony asteroid in the outer asteroid belt

    2111 Tselina is a stony Eos asteroid from the outer regions of the asteroid belt. It was discovered on 13 June 1969, by Soviet astronomer Tamara Smirnova at Crimean Astrophysical Observatory in Nauchnij, on the Crimean peninsula. The S-type asteroid has a rotation period of 6.6 hours and measures approximately 23 kilometers in diameter. It was later named after the Soviet Virgin Lands Campaign.

    <span class="mw-page-title-main">1336 Zeelandia</span> Stony Koronian asteroid

    1336 Zeelandia, provisional designation 1934 RW, is a stony Koronian asteroid from the outer regions of the asteroid belt, approximately 21 kilometers in diameter. It was discovered on 9 September 1934, by Dutch astronomer Hendrik van Gent at the Union Observatory in Johannesburg, South Africa. The asteroid was named for the Dutch province of Zeeland.

    References

    1. 1 2 3 4 "JPL Small-Body Database Browser: 2031 BAM (1969 TG2)" (2017-03-29 last obs.). Jet Propulsion Laboratory . Retrieved 5 December 2017.
    2. 1 2 3 Schmadel, Lutz D. (2007). "(2031) Bam". Dictionary of Minor Planet Names. Springer Berlin Heidelberg. p. 164. doi:10.1007/978-3-540-29925-7_2032. ISBN   978-3-540-00238-3.
    3. 1 2 3 4 5 6 7 "LCDB Data for (2031) BAM". Asteroid Lightcurve Database (LCDB). Retrieved 5 December 2017.
    4. 1 2 "Asteroid 2031 BAM – Nesvorny HCM Asteroid Families V3.0". Small Bodies Data Ferret. Retrieved 26 October 2019.
    5. 1 2 3 4 Usui, Fumihiko; Kuroda, Daisuke; Müller, Thomas G.; Hasegawa, Sunao; Ishiguro, Masateru; Ootsubo, Takafumi; et al. (October 2011). "Asteroid Catalog Using Akari: AKARI/IRC Mid-Infrared Asteroid Survey". Publications of the Astronomical Society of Japan. 63 (5): 1117–1138. Bibcode:2011PASJ...63.1117U. doi:10.1093/pasj/63.5.1117. (online, AcuA catalog p. 153)
    6. 1 2 Behrend, Raoul. "Asteroids and comets rotation curves – (2031) BAM". Geneva Observatory. Retrieved 5 December 2017.
    7. 1 2 3 Veres, Peter; Jedicke, Robert; Fitzsimmons, Alan; Denneau, Larry; Granvik, Mikael; Bolin, Bryce; et al. (November 2015). "Absolute magnitudes and slope parameters for 250,000 asteroids observed by Pan-STARRS PS1 - Preliminary results". Icarus. 261: 34–47. arXiv: 1506.00762 . Bibcode:2015Icar..261...34V. doi:10.1016/j.icarus.2015.08.007 . Retrieved 5 December 2017.
    8. 1 2 "2031 BAM (1969 TG2)". Minor Planet Center. Retrieved 5 December 2017.
    9. ↑ Nesvorný, D.; Broz, M.; Carruba, V. (December 2014). "Identification and Dynamical Properties of Asteroid Families". Asteroids IV. pp. 297–321. arXiv: 1502.01628 . Bibcode:2015aste.book..297N. doi:10.2458/azu_uapress_9780816532131-ch016. ISBN   9780816532131.
    10. ↑ "BAM". Mark Andrew Holmes' Personal Web Page. Retrieved 5 December 2017.
    11. ↑ Schmadel, Lutz D. (2009). "Appendix – Publication Dates of the MPCs". Dictionary of Minor Planet Names – Addendum to Fifth Edition (2006–2008). Springer Berlin Heidelberg. p. 221. doi:10.1007/978-3-642-01965-4. ISBN   978-3-642-01964-7.


    This page is based on this Wikipedia article
    Text is available under the CC BY-SA 4.0 license; additional terms may apply.
    Images, videos and audio are available under their respective licenses.