1110 Jaroslawa

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1110 Jaroslawa
001110-asteroid shape model (1110) Jaroslawa.png
Shape model of Jaroslawa from its lightcurve
Discovery [1]
Discovered by G. Neujmin
Discovery site Simeiz Obs.
Discovery date10 August 1928
Designations
(1110) Jaroslawa
Named after
Jaroslav Grigorevich Neujmin [2]
(discoverer's son)
1928 PD ·1934 FN
A917 FA
main-belt [1] [3]  ·(inner) [4]
background [5]
Orbital characteristics [3]
Epoch 23 March 2018 (JD 2458200.5)
Uncertainty parameter 0
Observation arc 89.31 yr (32,620 d)
Aphelion 2.7532 AU
Perihelion 1.6839 AU
2.2186 AU
Eccentricity 0.2410
3.30 yr (1,207 d)
45.750°
0° 17m 53.88s / day
Inclination 5.8558°
241.75°
78.600°
Physical characteristics
Mean diameter
12.15±2.05 km [6]
12.30±2.32 km [7]
12.306±0.101 km [8]
13.397±0.096 km [9]
14.90±0.52 km [10]
15.60 km (calculated) [4]
94.432±0.002 h [11]
97.278±0.005 h [12]
97.4±0.3 h [13]
0.153±0.012 [10]
0.1895±0.0164 [9]
0.20 (assumed) [4]
0.237±0.034 [8]
0.29±0.19 [6]
0.33±0.15 [7]
SMASS = S [3] [4]  · L [14]
11.40 [3] [4] [7]  ·11.63 [6]
11.65±0.22 [14]
11.80 [9] [10]

    1110 Jaroslawa (prov. designation: 1928 PD) is a bright background asteroid and rather slow rotator from the inner regions of the asteroid belt. The stony S-type asteroid has a rotation period of 97.4 hours and measures approximately 13 kilometers (8 miles) in diameter. It was discovered at the Simeiz Observatory on the Crimean peninsula on 10 August 1928, by astronomer Soviet Grigory Neujmin, [1] who named it after his son, Jaroslav Grigorevich Neujmin (born 1928). [2]

    Contents

    Orbit and classification

    Jaroslawa is a non-family asteroid from the main belt's background population. [5] It orbits the Sun in the inner main-belt at a distance of 1.7–2.8  AU once every 3 years and 4 months (1,207 days; semi-major axis of 2.22 AU). Its orbit has an eccentricity of 0.24 and an inclination of 6° with respect to the ecliptic. [3]

    The asteroid was first observed as A917 FA at Heidelberg Observatory in March 1917. The body's observation arc begins with its official discovery observation at Simeiz in August 1928. [1]

    Naming

    This minor planet was named after Jaroslav Grigorevich Neujmin (born 1928), son of the discoverer Grigory Neujmin. The author of the Dictionary of Minor Planet Names leaned about the naming from Ilya Isaakovich Neyachenko and Nikolai Chernykh after whom the asteroids 3845 Neyachenko and 2325 Chernykh were named. [2]

    Physical characteristics

    In the SMASS classification, Jaroslawa is a common, stony S-type asteroid, [3] [4] while it has been characterized as an uncommon L-type asteroid by PanSTARRS ' photometric survey. [14]

    Rotation period

    In January 2012, a rotational lightcurve of Jaroslawa was obtained from photometric observations by American astronomer Maurice Clark at Preston Gott Observatory in Lubbock, Texas. Lightcurve analysis gave a long rotation period of 94.432 hours and a high brightness variation of 0.80 magnitude ( U=2+ ). [11] In October 2014, Frederick Pilcher at the Organ Mesa Observatory ( G50 ) in New Mexico, in collaboration with astronomers at Etscorn ( 719 ) and Bigmuskie ( B88 ) observatories, obtained a refined period of 97.4 hours with an amplitude of 0.65±0.05 magnitude ( U=3- ). [13] This result supersedes other measurements by Maurice Clark, Nicolas Esseiva, Raoul Behrend, Laurent Bernasconi, Jean-Gabriel Bosch and Josep Coloma. [15] [16] While not being a core slow rotator, with periods above 100 hours, Jaroslawa has a significantly longer period than most minor planets, which typically rotate between 2 and 20 hours once around their axes.

    Spin axis and shape

    In 2016, a modeled lightcurve using photometric data from various sources was published. It gave a concurring period of 97.278 hours, as well as a spin axis of (236.0°, 75.0°) in ecliptic coordinates (λ, β). [12] All lightcurve observations show a high brightness variation, indicative for an elongated, non-spheroidal shape.

    Diameter and albedo

    According to the surveys carried out by the Japanese Akari satellite and the NEOWISE mission of NASA's Wide-field Infrared Survey Explorer, Jaroslawa measures between 12.15 and 14.90 kilometers in diameter and its surface has an albedo between 0.153 and 0.33. [6] [7] [8] [9] [10]

    The Collaborative Asteroid Lightcurve Link assumes a standard albedo for a stony asteroid of 0.20 and calculates a diameter of 15.60 kilometers based on an absolute magnitude of 11.4. [4]

    Related Research Articles

    Pawlowia, provisional designation 1923 OX, is a background asteroid from the central regions of the asteroid belt, approximately 20 kilometers in diameter. It was discovered on 5 October 1923, by Soviet astronomer Vladimir Albitsky at the Simeiz Observatory on the Crimean peninsula. The asteroid was named after Russian physiologist and Nobelist Ivan Pavlov.

    <span class="mw-page-title-main">1032 Pafuri</span> Dark background asteroid from the outer regions of the asteroid belt

    1032 Pafuri, provisional designation 1924 SA, is a dark background asteroid from the outer regions of the asteroid belt, approximately 65 kilometers in diameter. It was discovered on 30 May 1924, by English astronomer Harry Edwin Wood at the Union Observatory in Johannesburg, South Africa. The asteroid was named for the river in the Pafuri Triangle in South Africa, created by the confluence of the Limpopo and Levubu rivers. The body's spectral type and rotation period are still poorly determined.

    1096 Reunerta, provisional designation 1928 OB, is an asteroid from the background population of the asteroid belt's central region, approximately 40 kilometers in diameter. It was discovered on 21 July 1928, by astronomer Harry Edwin Wood at the Union Observatory in Johannesburg, South Africa. The asteroid was named after South African engineer Theodore Reunert, supporter of the observatory and friend of the discoverer.

    1114 Lorraine, provisional designation 1928 WA, is a very dark background asteroid from the outer regions of the asteroid belt, approximately 70 kilometers in diameter. It was discovered by Alexandre Schaumasse at Nice Observatory in 1928, and named for the French region of Lorraine.

    1120 Cannonia, provisional designation 1928 RV, is a stony Florian asteroid from the inner regions of the asteroid belt, approximately 10 kilometers in diameter. Discovered by Pelageya Shajn at Simeiz in 1928, it was named after American astronomer Annie Jump Cannon.

    1123 Shapleya, provisional designation 1928 ST, is a stony Florian asteroid from the inner regions of the asteroid belt, approximately 11 kilometers in diameter. It was discovered on 21 September 1928, by Russian astronomer Grigory Neujmin at Simeiz Observatory on the Crimean peninsula. It was named after American astronomer Harlow Shapley.

    <span class="mw-page-title-main">1129 Neujmina</span>

    1129 Neujmina is an Eos asteroid from the outer regions of the asteroid belt. It was discovered on 8 August 1929, by astronomer Praskoviya Parchomenko at the Simeiz Observatory on the Crimean peninsula. The stony S-type asteroid has a rotation period of 5.1 hours and measures approximately 34 kilometers in diameter. It was named after Soviet astronomer Grigory Neujmin.

    <span class="mw-page-title-main">1132 Hollandia</span> Asteroid

    1132 Hollandia, provisional designation 1929 RB1, is a stony asteroid from the middle region of the asteroid belt, approximately 27 kilometers in diameter. It was discovered on 13 September 1929, by Dutch astronomer Hendrik van Gent at Leiden Southern Station, annex to the Johannesburg Observatory in South Africa. It was named for the region Holland in the Netherlands.

    1307 Cimmeria, provisional designation 1930 UF, is a stony asteroid from the inner regions of the asteroid belt, approximately 10 kilometers in diameter. It was discovered on 17 October 1930, by Soviet astronomer Grigory Neujmin at Simeiz Observatory on the Crimean peninsula, and later named after the Cimmerians, the ancient people of Crimea.

    1309 Hyperborea is a carbonaceous background asteroid from the outermost regions of the asteroid belt, approximately 57 kilometers in diameter. It was discovered on 11 October 1931, by Soviet astronomer Grigory Neujmin at the Simeiz Observatory on the Crimean peninsula, and given the provisional designation 1931 TO. The asteroid was named after Hyperborea, the northern homeland of a Greek mythical race of giants.

    1271 Isergina, provisional designation 1931 TN, is a carbonaceous background asteroid from the outer regions of the asteroid belt, approximately 45 kilometers in diameter. It was discovered on 10 October 1931, by Soviet astronomer Grigory Neujmin at the Simeiz Observatory on the Crimean peninsula. The asteroid was named after Crimean physician and friend of the discoverer, Pyotr Isergin.

    1176 Lucidor, provisional designation 1930 VE, is a carbonaceous background asteroid from the central region of the asteroid belt, approximately 30 kilometers in diameter. It was discovered by Eugène Delporte in 1930, who named it after a friend.

    1303 Luthera, provisional designation 1928 FP, is a dark asteroid and the parent body of the Luthera family, located in the outermost regions of the asteroid belt. It measures approximately 90 kilometers in diameter. The asteroid was discovered on 16 March 1928, by astronomer Friedrich Schwassmann at the Bergedorf Observatory in Hamburg, Germany, and later named after German astronomer Robert Luther.

    2043 Ortutay, provisional designation 1936 TH, is a dark asteroid from the outer regions of the asteroid belt, approximately 45 kilometers in diameter. The asteroid was discovered by Hungarian astronomer György Kulin at the Konkoly Observatory, Budapest, on 12 November 1936. It was named after Hungarian ethnographer Gyula Ortutay.

    <span class="mw-page-title-main">1484 Postrema</span>

    1484 Postrema, provisional designation 1938 HC, is a carbonaceous Postremian asteroid and namesake of the Postrema family from the central regions of the asteroid belt, approximately 41 kilometers in diameter. It was discovered on 29 April 1938, by Soviet astronomer Grigory Neujmin at the Simeiz Observatory on the Crimean peninsula. The name "Postrema" celebrates the astronomer's last minor planet discovery.

    1306 Scythia, provisional designation 1930 OB, is a dark Ursula asteroid from the outer regions of the asteroid belt, approximately 72 kilometers in diameter. It was discovered on 22 July 1930, by Soviet astronomer Grigory Neujmin at the Simeiz Observatory on the Crimean peninsula. The asteroid was named for the historic region of Scythia.

    1266 Tone is a dark background asteroid from the outer regions of the asteroid belt, approximately 80 kilometers in diameter. Discovered by astronomer Okuro Oikawa at the Tokyo Observatory in 1927, it was assigned the provisional designation 1927 BD. The asteroid was later named after the Tone River, one of Japan's largest rivers.

    1511 Daléra, provisional designation 1939 FB, is an asteroid from the inner regions of the asteroid belt, approximately 12 kilometers in diameter. It was discovered on 22 March 1939, by French astronomer Louis Boyer at the Algerian Algiers Observatory, North Africa, and named after Paul Daléra, a friend of the discoverer.

    1257 Móra, provisional designation 1932 PE, is an asteroid from the inner regions of the asteroid belt, approximately 15 kilometers in diameter. It was discovered on 8 August 1932, by German astronomer Karl Reinmuth at Heidelberg Observatory in southwest Germany. The asteroid was named after Hungarian astronomer Károly Móra.

    1544 Vinterhansenia, provisional designation 1941 UK, is a dark asteroid from the inner regions of the asteroid belt, approximately 22 kilometers in diameter. It was discovered on 15 October 1941, by Finnish astronomer Liisi Oterma at Turku Observatory in Southwest Finland, and named for Danish astronomer Julie Vinter Hansen.

    References

    1. 1 2 3 4 "1110 Jaroslawa (1928 PD)". Minor Planet Center . Retrieved 6 March 2018.
    2. 1 2 3 Schmadel, Lutz D. (2007). "(1110) Jaroslawa". Dictionary of Minor Planet Names. Springer Berlin Heidelberg. p. 94. doi:10.1007/978-3-540-29925-7_1111. ISBN   978-3-540-00238-3.
    3. 1 2 3 4 5 6 "JPL Small-Body Database Browser: 1110 Jaroslawa (1928 PD)" (2017-12-01 last obs.). Jet Propulsion Laboratory . Retrieved 6 March 2018.
    4. 1 2 3 4 5 6 7 "LCDB Data for (1110) Jaroslawa". Asteroid Lightcurve Database (LCDB). Retrieved 6 March 2018.
    5. 1 2 "Asteroid 1110 Jaroslawa – Proper Elements". AstDyS-2, Asteroids – Dynamic Site. Retrieved 28 October 2019.
    6. 1 2 3 4 Nugent, C. R.; Mainzer, A.; Bauer, J.; Cutri, R. M.; Kramer, E. A.; Grav, T.; et al. (September 2016). "NEOWISE Reactivation Mission Year Two: Asteroid Diameters and Albedos". The Astronomical Journal. 152 (3): 12. arXiv: 1606.08923 . Bibcode:2016AJ....152...63N. doi: 10.3847/0004-6256/152/3/63 .
    7. 1 2 3 4 Nugent, C. R.; Mainzer, A.; Masiero, J.; Bauer, J.; Cutri, R. M.; Grav, T.; et al. (December 2015). "NEOWISE Reactivation Mission Year One: Preliminary Asteroid Diameters and Albedos". The Astrophysical Journal. 814 (2): 13. arXiv: 1509.02522 . Bibcode:2015ApJ...814..117N. doi:10.1088/0004-637X/814/2/117. S2CID   9341381 . Retrieved 6 March 2018.
    8. 1 2 3 Masiero, Joseph R.; Grav, T.; Mainzer, A. K.; Nugent, C. R.; Bauer, J. M.; Stevenson, R.; et al. (August 2014). "Main-belt Asteroids with WISE/NEOWISE: Near-infrared Albedos". The Astrophysical Journal. 791 (2): 11. arXiv: 1406.6645 . Bibcode:2014ApJ...791..121M. doi:10.1088/0004-637X/791/2/121. S2CID   119293330.
    9. 1 2 3 4 Mainzer, A.; Grav, T.; Masiero, J.; Hand, E.; Bauer, J.; Tholen, D.; et al. (November 2011). "NEOWISE Studies of Spectrophotometrically Classified Asteroids: Preliminary Results". The Astrophysical Journal. 741 (2): 25. arXiv: 1109.6407 . Bibcode:2011ApJ...741...90M. doi:10.1088/0004-637X/741/2/90. S2CID   35447010.
    10. 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)
    11. 1 2 Clark, Maurice (January 2013). "Lightcurve Analysis of 1110 Jaroslawa and 13643 Takushi" (PDF). Minor Planet Bulletin. 40 (1): 11–12. Bibcode:2013MPBu...40...11C. ISSN   1052-8091.
    12. 1 2 Hanuš, J.; Ďurech, J.; Oszkiewicz, D. A.; Behrend, R.; Carry, B.; Delbo, M.; et al. (February 2016). "New and updated convex shape models of asteroids based on optical data from a large collaboration network". Astronomy and Astrophysics. 586: A108. arXiv: 1510.07422 . Bibcode:2016A&A...586A.108H. doi:10.1051/0004-6361/201527441. ISSN   0004-6361. S2CID   119112278.
    13. 1 2 Pilcher, Frederick; Ferrero, Andrea; Klinglesmith, Daniel A. III; Hanowell, Jesse (April 2015). "Rotation Period Determination for 1110 Jaroslawa" (PDF). Minor Planet Bulletin. 42 (2): 90–91. Bibcode:2015MPBu...42...90P. ISSN   1052-8091.
    14. 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. S2CID   53493339 . Retrieved 6 March 2018.
    15. ↑ Clark, Maurice (March 2007). "Lightcurve Results for 1318 Nerina, 222 Lermontov 3015 Candy, 3089 Oujianquan, 3155 Lee, 6410 Fujiwara, 6500 Kodaira, (8290) 1992 NP, 9566 Rykhlova, (42923) 1999 SR18, and 2001 FY" (PDF). Minor Planet Bulletin. 34 (1): 19–22. Bibcode:2007MPBu...34...19C. ISSN   1052-8091.
    16. ↑ Behrend, Raoul. "Asteroids and comets rotation curves – (1110) Jaroslawa". Geneva Observatory . Retrieved 6 March 2018.
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