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1597 Laugier
Main-belt asteroid
Main-belt asteroid
| Field | Value |
|---|---|
| minorplanet | yes |
| name | 1597 Laugier |
| background | #D6D6D6 |
| image | 001597-asteroid shape model (1597) Laugier.png |
| caption | Shape model of Laugier from its lightcurve |
| discovery_ref | |
| discovered | 7 March 1949 |
| discoverer | L. Boyer |
| discovery_site | Algiers Obs. |
| mpc_name | (1597) Laugier |
| alt_names | 1949 EB |
| named_after | Marguerite Laugier |
| (French astronomer) | |
| mp_category | main-belt(outer) |
| orbit_ref | |
| epoch | 4 September 2017 (JD 2458000.5) |
| uncertainty | 0 |
| observation_arc | 68.01 yr (24,840 days) |
| aphelion | 3.1024 AU |
| perihelion | 2.5869 AU |
| semimajor | 2.8446 AU |
| eccentricity | 0.0906 |
| period | 4.80 yr (1,752 days) |
| mean_anomaly | 67.764° |
| mean_motion | / day |
| inclination | 11.812° |
| asc_node | 158.63° |
| arg_peri | 52.042° |
| dimensions | |
| 24.30 km (calculated) | |
| rotation | 8.0199 h |
| 8.02272 h | |
| albedo | 0.057 (assumed) |
| spectral_type | C |
| abs_magnitude | 11.711.8 |
(French astronomer) 24.30 km (calculated) 8.02272 h
1597 Laugier, provisional designation , is an asteroid from the outer region of the asteroid belt, approximately 20 kilometers in diameter. It was discovered on 7 March 1949, by French astronomer Louis Boyer at the north African Algiers Observatory in Algeria. It was later named after French astronomer Marguerite Laugier.
Orbit and classification
This asteroid orbits the Sun in the outer main-belt at a distance of 2.6–3.1 AU once every 4 years and 10 months (1,752 days). Its orbit has an eccentricity of 0.09 and an inclination of 12° with respect to the ecliptic. As no precoveries were taken and no prior identifications were made, Laugiers observation arc begins with its official discovery observation in 1949.
Physical characteristics
Laugier is a presumed C-type asteroid
Lightcurves
A rotational lightcurve for this asteroid from an unpublished source at the Asteroid Light Curve Database gave a well-defined rotation period of 8.020 hours with a brightness amplitude between 0.68 and 0.71 in magnitude (). A similar period of 8.023 hours was previously obtained from remodeled data of the Lowell photometric database in March 2016.
Diameter and albedo
According to the survey carried out by NASA's Wide-field Infrared Survey Explorer with its subsequent NEOWISE mission, Laugier measures 12.9 kilometers in diameter and its surface has an albedo of 0.244, while the Collaborative Asteroid Lightcurve Link assumes a standard albedo for carbonaceous asteroids of 0.057, and calculates a diameter of 24.3 kilometers based on an absolute magnitude of 11.8.
Naming
This minor planet was named after French astronomer and asteroid discoverer Marguerite Laugier (1896–1976). The official was published by the Minor Planet Center on 1 August 1978 (M.P.C. 4418).
References
This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.
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