1687 Glarona
| Discovery [1] | |
|---|---|
| Discovered by | P. Wild |
| Discovery site | Zimmerwald Obs. |
| Discovery date | 19 September 1965 |
| Designations | |
| MPC designation | 1687 Glarona |
|
Named after
|
Glarus (Swiss canton)[2] |
| 1965 SC · 1926 UA 1931 RB1 · 1942 PD 1945 EA · 1948 QN 1948 RD1 · 1954 TB 1954 UB2 · 1959 PG 1960 XD · 1965 UX A909 UA · A915 XC |
|
| main-belt · Themis [3] | |
| Orbital characteristics [1] | |
| Epoch 27 June 2015 (JD 2457200.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 105.95 yr (38,700 days) |
| Aphelion | 3.7182 AU |
| Perihelion | 2.6001 AU |
| 3.1592 AU | |
| Eccentricity | 0.1769 |
| 5.62 yr (2,051 days) | |
| 282.33° | |
| Inclination | 2.6365° |
| 93.577° | |
| 316.62° | |
| Physical characteristics | |
| Dimensions | 33.93 km[4] 36.75±0.93 km[5] 42.007±0.515 km[6] 31.52±0.50 km[7] |
| 6.3 h[lower-alpha 1] | |
| 0.1219[4] 0.107±0.006[5] 0.0795±0.0130[6] 0.141±0.021[7] |
|
| B–V = 0.670 U–B = 0.380 S [3] |
|
| 10.25 | |
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1687 Glarona, provisional designation 1965 SC, is a stony asteroid from the outer region of the asteroid belt, approximately 34 kilometers in diameter. It was discovered by astronomer Paul Wild at Zimmerwald Observatory near Bern, Switzerland on 19 September 1965.[8]
The asteroid is a member of the Themis family, one of the larger groups in the outer main-belt. It orbits the Sun at a distance of 2.6–3.7 AU once every 5 years and 7 months (2,051 days). Its well-defined orbit shows an eccentricity of 0.18 and is tilted by 3 degrees to the plane of the ecliptic. It has a rotation period of 6.3 hours with a variation in brightness, or magnitude amplitude, of 0.75.[lower-alpha 1] The assumed S-type asteroid has an albedo of 0.06–0.16, according to observations made by the IRAS, Akari, WISE and NEOWISE surveys.[4][5][6][7] Moreover, based on its orbital elements, Glarona is also a Themistian asteroid, which are known to have low albedos, showing spectra of carbonaceous C-type bodies (also see Carbonaceous chondrites).[9]
The minor planet was named in honor of the discoverer's home valley, the canton and town of Glarus in Switzerland.[2] Paul Wild (1925–2014) was a prolific discoverer almost 100 asteroids, and is well known for his discovery of comet Wild 2, which was visited by NASA's Stardust mission.
References
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<references />, or <references group="..." />External links
- Asteroid Lightcurve Database (LCDB), query form (info)
- Dictionary of Minor Planet Names, Google books
- Discovery Circumstances: Numbered Minor Planets (1)-(5000) – Minor Planet Center
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