1533 Saimaa
Template:Short description Template:DMCA
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| Discovery[1] | |
|---|---|
| Discovered by | Y. Väisälä |
| Discovery site | Turku Obs. |
| Discovery date | 19 January 1939 |
| Designations | |
Named after | Saimaa (Finnish lake)[2] |
| 1939 BD · 1934 FA 1936 QC · 1936 RP | |
| main-belt · (outer) Eos[3][4] | |
| Orbital characteristics[1] | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 80.71 yr (29,480 days) |
| Aphelion | 3.1226 AU |
| Perihelion | 2.8990 AU |
| 3.0108 AU | |
| Eccentricity | 0.0371 |
| 5.22 yr (1,908 days) | |
| 346.96° | |
| Template:Deg2DMS / day | |
| Inclination | 10.710° |
| 156.74° | |
| 10.478° | |
| Physical characteristics | |
| Dimensions | 24.298±0.279 km[5] 26.13±1.5 km[6] 26.16 km (derived)[3] 27.88±1.68 km[7] |
| 7.08 h[8] 7.1181±0.0002 h[9] | |
| 0.107±0.014[7] 0.1216±0.016[6] 0.1270 (derived)[3] 0.141±0.025[5] 0.165±0.034[5] | |
| Tholen = S[1][3] B–V = 0.790[1] U–B = 0.450[1] | |
| 10.77[3][8] · 10.77±0.26[10] · 10.82[1][5][6][7] | |
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1533 Saimaa (provisional designation Template:Mp) is a stony Eos asteroid from the outer regions of the asteroid belt, approximately 26 kilometers in diameter. It was discovered on 19 January 1939, by astronomer Yrjö Väisälä at the Iso-Heikkilä Observatory near Turku, Finland.[11] The asteroid was named after lake Saimaa in Finland.[2]
Orbit and classification
Saimaa is a member the Eos family (606),[4] the largest asteroid family of the outer main belt consisting of nearly 10,000 asteroids.[12]Template:Rp It orbits the Sun at a distance of 2.9–3.1 AU once every 5 years and 3 months (1,908 days). Its orbit has an eccentricity of 0.04 and an inclination of 11° with respect to the ecliptic.[1] The asteroid was first identified as Template:Mp at Uccle Observatory in March 1934. The body's observation arc begins with its identification as Template:Mp at Heidelberg Observatory in August 1936, more than 2 years prior to its official discovery observation at Turku.[11]
Physical characteristics
In the Tholen classification, Saimaa is a common stony S-type asteroid.[1][3] The overall spectral type for members of the Eos family is that of a K-type.[12]Template:Rp
Rotation period
In September 1983, a first rotational lightcurve of Saimaa was obtained from photometric observations by American astronomer Richard Binzel at CTIO and McDonald Observatory. Lightcurve analysis gave a well-defined rotation period of 7.08 hours with a brightness variation of 0.18 magnitude (U=3).[8] In February 2007, another lightcurve obtained by French amateur astronomer René Roy gave a concurring period of 7.1181 hours and an amplitude of 0.26 magnitude (U=3).[9]
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, Saimaa measures between 22.40 and 27.88 kilometers in diameter and its surface has an albedo between 0.107 and 0.165.[5][6][7]
The Collaborative Asteroid Lightcurve Link derives an albedo of 0.1270 and a diameter of 26.16 kilometers based on an absolute magnitude of 10.77.[3]
Naming
This minor planet was named after lake Saimaa in southeastern Finland. With an overall area of 4,400 square kilometres (1,700 sq mi), it is the country's largest lake and one of the largest lakes in Europe.[2] The official Template:MoMP was published by the Minor Planet Center on 20 February 1976 (M.P.C. 3929).[13]
References
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- ^ a b c d e f g h Page Module:Citation/CS1/styles.css has no content."JPL Small-Body Database Browser: 1533 Saimaa (1939 BD)" (2017-05-04 last obs.). Jet Propulsion Laboratory. Retrieved 9 October 2017.
- ^ a b c Page Module:Citation/CS1/styles.css has no content.Schmadel, Lutz D. (2007). "(1533) Saimaa". Dictionary of Minor Planet Names. Springer Berlin Heidelberg. p. 121. doi:10.1007/978-3-540-29925-7_1534. ISBN 978-3-540-00238-3.
- ^ a b c d e f g Template:Cite LCDB
- ^ a b Page Module:Citation/CS1/styles.css has no content."Asteroid 1533 Saimaa – Nesvorny HCM Asteroid Families V3.0". Small Bodies Data Ferret. Retrieved 26 October 2019.
- ^ a b c d e 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. Retrieved 9 October 2017.
- ^ 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.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 c Page Module:Citation/CS1/styles.css has no content.Binzel, R. P. (October 1987). "A photoelectric survey of 130 asteroids". Icarus. 72 (1): 135–208. Bibcode:1987Icar...72..135B. doi:10.1016/0019-1035(87)90125-4. ISSN 0019-1035. Retrieved 9 October 2017.
- ^ a b Page Module:Citation/CS1/styles.css has no content.Behrend, Raoul. "Asteroids and comets rotation curves – (1533) Saimaa". Geneva Observatory. Retrieved 9 October 2017.
- ^ Page Module:Citation/CS1/styles.css has no content.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 9 October 2017.
- ^ a b Page Module:Citation/CS1/styles.css has no content."1533 Saimaa (1939 BD)". Minor Planet Center. Retrieved 9 October 2017.
- ^ 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 9780816532131.
- ^ Page Module:Citation/CS1/styles.css has no content.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.
External links
- Asteroid Lightcurve Database (LCDB), query form (info Script error: No such module "webarchive".)
- Dictionary of Minor Planet Names, Google books
- Asteroids and comets rotation curves, CdR – Observatoire de Genève, Raoul Behrend
- Discovery Circumstances: Numbered Minor Planets (1)-(5000) – Minor Planet Center
- Template:AstDys
- 1533 Saimaa at the JPL Small-Body DatabaseTemplate:Edit at Wikidata
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