1105 Fragaria
Template:Short description Template:DMCA
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| Discovery[1] | |
|---|---|
| Discovered by | K. Reinmuth |
| Discovery site | Heidelberg Obs. |
| Discovery date | 1 January 1929 |
| Designations | |
| Pronunciation | /frəˈɡɛəriə/[2] |
Named after | Fragaria[3] (flowering plant) |
| 1929 AB · 1947 KB 1977 EU · A916 MA A917 UH | |
| main-belt[1][4] · (outer) Eos[5][6] | |
| Orbital characteristics[4] | |
| Epoch 23 March 2018 (JD 2458200.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 89.13 yr (32,553 days) |
| Aphelion | 3.3288 AU |
| Perihelion | 2.6915 AU |
| 3.0101 AU | |
| Eccentricity | 0.1059 |
| 5.22 yr (1,908 days) | |
| 110.60° | |
| Template:Deg2DMS / day | |
| Inclination | 10.968° |
| 116.90° | |
| 225.01° | |
| Physical characteristics | |
| 27.92±3.41 km[7] 31.518±0.346 km[8] 36.95 km (derived)[5] 37.03±3.8 km[9] 38.206±0.703 km[10] 38.41±0.46 km[11] | |
| 5.4312±0.0008 h[12] | |
| 0.1017±0.0167[10] 0.1086 (derived)[5] 0.113±0.003[11] 0.1186±0.029[9] 0.128±0.008[8] 0.166±0.058[7] | |
| Tholen = ST[4][5] · U/L[13] B–V = 0.776±029[4] U–B = 0.419±0.049[4] | |
| 10.09[4][9][11] 10.19[5][10][14] 10.34[7] | |
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1105 Fragaria /frəˈɡɛəriə/ is an Eos asteroid from the outer regions of the asteroid belt. It was discovered on 1 January 1929, by German astronomer Karl Reinmuth at the Heidelberg Observatory in southwest Germany, and assigned the provisional designation Template:Mp.[1] The S-type asteroid (ST/L) has a rotation period of 5.4 hours and measures approximately 37 kilometers (23 miles) in diameter. It was named after the flowering plant Fragaria (strawberry).[3]
Orbit and classification
Fragaria belongs to the Eos family (606),[5][6] the largest asteroid family of the outer asteroid belt consisting of nearly 10,000 members.[15] It orbits the Sun in the outer asteroid belt at a distance of 2.7–3.3 AU once every 5 years and 3 months (1,908 days; semi-major axis of 3.01 AU). Its orbit has an eccentricity of 0.11 and an inclination of 11° with respect to the ecliptic.[4]
The asteroid was first observed as Template:Mp at Simeiz Observatory in June 1916. The body's observation arc begins at Heidelberg in December 1928, three weeks prior to its official discovery observation.[1]
Naming
This minor planet was named after Fragaria, the genus of flowering plants in the rose family, commonly known as strawberries.[3] The official naming citation was mentioned in The Names of the Minor Planets by Paul Herget in 1955 (H 104).[3]
Reinmuth's flower
Karl Reinmuth submitted a list of 66 newly named asteroids in the early 1930s. The list covered his discoveries with numbers between Template:MoMP and Template:MoMP. This list also contained a sequence of 28 asteroids, starting with 1054 Forsytia, that were all named after plants, in particular flowering plants (also see list of minor planets named after animals and plants).[16]
Physical characteristics
In the Tholen classification, Fragaria has an ambiguous spectral type, closest to an S-type and somewhat similar to the darker and uncommon T-type asteroids (ST),[4][5] while polarimetric observations characterized it as an U/L-type asteroid.[13] The overall spectral type for members of the Eos family is that of a K-type.[15]Template:Rp
Rotation period
In December 2017. a rotational lightcurve of Fragaria was obtained from photometric observations by American photometrist Tom Polakis at the Command Module Observatory Template:Obscode in Arizona. Lightcurve analysis gave a rotation period of 5.4312±0.0008 hours with a brightness variation of 0.33±0.03 magnitude (U=3–).[12] Since the 1990s, the best period determinations was mady by French and Italian astronomers at ESO's La Silla Observatory using the ESO 1-metre telescope which gave 10.88 hours (or twice the period solution) and an amplitude of 0.12 magnitude (U=1).[14] As of 2018, no secure period has been obtained.[5]
Diameter and albedo
According to the surveys carried out by the Infrared Astronomical Satellite IRAS, the Japanese Akari satellite and the NEOWISE mission of NASA's Wide-field Infrared Survey Explorer, Fragaria measures between 27.92 and 38.41 kilometers in diameter and its surface has an albedo between 0.1017 and 0.166.[7][8][9][10][11] The Collaborative Asteroid Lightcurve Link derives an albedo of 0.1086 and a diameter of 36.95 kilometers based on an absolute magnitude of 10.19.[5]
References
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- ^ a b c d Page Module:Citation/CS1/styles.css has no content."1105 Fragaria (1929 AB)". Minor Planet Center. Retrieved 28 February 2018.
- ^ Sunset Western Garden Book, 1995:606–607
- ^ a b c d Page Module:Citation/CS1/styles.css has no content.Schmadel, Lutz D. (2007). "(1105) Fragaria". Dictionary of Minor Planet Names. Springer Berlin Heidelberg. p. 94. doi:10.1007/978-3-540-29925-7_1106. ISBN 978-3-540-00238-3.
- ^ a b c d e f g h Page Module:Citation/CS1/styles.css has no content."JPL Small-Body Database Browser: 1105 Fragaria (1929 AB)" (2018-01-24 last obs.). Jet Propulsion Laboratory. Retrieved 28 February 2018.
- ^ a b c d e f g h i Template:Cite LCDB
- ^ a b Page Module:Citation/CS1/styles.css has no content."Asteroid 1105 Fragaria – Nesvorny HCM Asteroid Families V3.0". Small Bodies Data Ferret. Retrieved 26 October 2019.
- ^ a b c d Page Module:Citation/CS1/styles.css has no content.Masiero, Joseph R.; Mainzer, A. K.; Grav, T.; Bauer, J. M.; Cutri, R. M.; Nugent, C.; et al. (November 2012). "Preliminary Analysis of WISE/NEOWISE 3-Band Cryogenic and Post-cryogenic Observations of Main Belt Asteroids". The Astrophysical Journal Letters. 759 (1): 5. arXiv:1209.5794. Bibcode:2012ApJ...759L...8M. doi:10.1088/2041-8205/759/1/L8.
- ^ a b c Page Module:Citation/CS1/styles.css has no content.Masiero, Joseph R.; Mainzer, A. K.; Grav, T.; Bauer, J. M.; Cutri, R. M.; Dailey, J.; et al. (November 2011). "Main Belt Asteroids with WISE/NEOWISE. I. Preliminary Albedos and Diameters". The Astrophysical Journal. 741 (2): 20. arXiv:1109.4096. Bibcode:2011ApJ...741...68M. doi:10.1088/0004-637X/741/2/68.
- ^ a b c d Page Module:Citation/CS1/styles.css has no content.Tedesco, E. F.; Noah, P. V.; Noah, M.; Price, S. D. (October 2004). "IRAS Minor Planet Survey V6.0". NASA Planetary Data System. 12: IRAS-A-FPA-3-RDR-IMPS-V6.0. Bibcode:2004PDSS...12.....T. Retrieved 22 October 2019.
- ^ a b c d Page Module:Citation/CS1/styles.css has no content.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.
- ^ a b c d Page Module:Citation/CS1/styles.css has no content.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)
- ^ a b Page Module:Citation/CS1/styles.css has no content.Polakis, Tom (April 2018). "Lightcurve Analysis for Eleven Main-belt Asteroids" (PDF). Minor Planet Bulletin. 45 (2): 199–203. Bibcode:2018MPBu...45..199P. ISSN 1052-8091. Archived from the original (PDF) on 12 February 2020. Retrieved 13 March 2020.
- ^ a b Page Module:Citation/CS1/styles.css has no content.Belskaya, I. N.; Fornasier, S.; Tozzi, G. P.; Gil-Hutton, R.; Cellino, A.; Antonyuk, K.; et al. (March 2017). "Refining the asteroid taxonomy by polarimetric observations". Icarus. 284: 30–42. Bibcode:2017Icar..284...30B. doi:10.1016/j.icarus.2016.11.003. hdl:11336/63617.
- ^ a b Page Module:Citation/CS1/styles.css has no content.Barucci, M. A.; di Martino, M.; Dotto, E.; Fulchignoni, M.; Rotundi, A.; Burchi, R. (June 1994). "Rotational properties of small asteroids: Photoelectric observations of 16 asteroids". Icarus. 109 (2): 267–273. Bibcode:1994Icar..109..267B. doi:10.1006/icar.1994.1092. ISSN 0019-1035.
- ^ a b Page Module:Citation/CS1/styles.css has no content.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 978-0-8165-3213-1.
- ^ Page Module:Citation/CS1/styles.css has no content.Schmadel, Lutz D. (2007). "(1054) Forsytia". Dictionary of Minor Planet Names. Springer Berlin Heidelberg. p. 90. doi:10.1007/978-3-540-29925-7_1055. ISBN 978-3-540-00238-3.
External links
- Lightcurve Database Query (LCDB), at www.minorplanet.info
- Dictionary of Minor Planet Names, Google books
- Asteroids and comets rotation curves, CdR – Geneva Observatory, Raoul Behrend
- Discovery Circumstances: Numbered Minor Planets (1)-(5000) – Minor Planet Center
- Template:AstDys
- 1105 Fragaria at the JPL Small-Body DatabaseTemplate:Edit at Wikidata
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