1923 Osiris
Template:Short description Template:DMCA
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| Discovery[1] | |
|---|---|
| Discovered by | C. J. van Houten I. van Houten G. T. Gehrels |
| Discovery site | Palomar Obs. |
| Discovery date | 24 September 1960 |
| Designations | |
| Pronunciation | /əˈsaɪrɪs/[2] |
Named after | Osiris (Egyptian mythology)[3] |
| Template:Mp · Template:Mp 1966 FR · 1974 KN 1974 KP · 1974 LE | |
| main-belt[4][1] · (inner) Sulamitis | |
| Orbital characteristics[1] | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 62.70 yr (22,900 days) |
| Aphelion | 2.5900 AU |
| Perihelion | 2.2813 AU |
| 2.4356 AU | |
| Eccentricity | 0.0634 |
| 3.80 yr (1,388 days) | |
| 269.38° | |
| Template:Deg2DMS / day | |
| Inclination | 4.9580° |
| 353.07° | |
| 106.04° | |
| Physical characteristics | |
| Dimensions | 13.1 km 13.461±0.206[5] |
| 0.031±0.006[5] 0.0591 ± 0.008 | |
| SMASS = C[1] | |
| 13.6[1] | |
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1923 Osiris, provisional designation Template:Mp, is a dark asteroid from the inner regions of the asteroid belt, approximately 13 kilometers in diameter. It was discovered on 24 September 1960, by Ingrid and Cornelis Johannes van Houten at Leiden, on photographic plates taken by Tom Gehrels at Palomar Observatory in the United States.[4][6] It was named after the Egyptian god Osiris.[3]
Orbit and classification
Osiris orbits the Sun in the inner main-belt at a distance of 2.3–2.6 AU once every 3 years and 10 months (1,388 days). Its orbit has an eccentricity of 0.06 and an inclination of 5° with respect to the ecliptic.[1] Due to a precovery taken at the discovering observatory in 1953, the body's observation arc is extended by 7 years prior to its official discovery observation.[4]
Palomar–Leiden survey
The designation P–L stands for Palomar–Leiden, named after Palomar Observatory and Leiden Observatory, which collaborated on the fruitful Palomar–Leiden survey in the 1960s. Gehrels used Palomar's Samuel Oschin telescope (also known as the 48-inch Schmidt Telescope), and shipped the photographic plates to Ingrid and Cornelis Johannes van Houten at Leiden Observatory. The trio are credited with several thousand asteroid discoveries.
Physical characteristics
In the SMASS classification, Osiris is a carbonaceous C-type asteroid.[1]
According to the survey carried out by NASA's Wide-field Infrared Survey Explorer with its subsequent NEOWISE mission, Osiris measures 13.461 kilometers in diameter and its surface has a low albedo of 0.031.[5] As of 2017, no rotational lightcurve has been obtained.[7]
Naming
This minor planet was named after Osiris, the Egyptian god of vegetation, of the waxing and waning Moon and of the annual flooding of the Nile.[3] The official naming citation was published by the Minor Planet Center on 1 November 1979 (M.P.C. 5013).[8]
References
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- ^ a b c d e f g Page Module:Citation/CS1/styles.css has no content."JPL Small-Body Database Browser: 1923 Osiris (4011 P-L)" (2016-08-18 last obs.). Jet Propulsion Laboratory. Retrieved 14 June 2017.
- ^ Page Module:Citation/CS1/styles.css has no content."Osiris". Lexico UK English Dictionary. Oxford University Press. Archived from the original on 21 March 2020.
- ^ a b c Page Module:Citation/CS1/styles.css has no content.Schmadel, Lutz D. (2007). "(1923) Osiris". Dictionary of Minor Planet Names – (1923) Osiris. Springer Berlin Heidelberg. p. 154. doi:10.1007/978-3-540-29925-7_1924. ISBN 978-3-540-00238-3.
- ^ a b c Page Module:Citation/CS1/styles.css has no content."1923 Osiris (4011 P-L)". Minor Planet Center. Retrieved 14 June 2017.
- ^ 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.; 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 14 June 2017.
- ^ Page Module:Citation/CS1/styles.css has no content."New Names of Minor Planets" (PDF), Minor Planet Circular, no. MPC 5013, Cambridge, Mass: Minor Planet Center, 1 November 1979, ISSN 0736-6884
- ^ Template:Cite LCDB
- ^ Page Module:Citation/CS1/styles.css has no content."MPC/MPO/MPS Archive". Minor Planet Center. Retrieved 14 June 2017.
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
- 1923 Osiris at the JPL Small-Body DatabaseTemplate:Edit at Wikidata
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