1707 Chantal
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| Discovery[1] | |
|---|---|
| Discovered by | E. Delporte |
| Discovery site | Uccle Obs. |
| Discovery date | 8 September 1932 |
| Designations | |
Named after | Niece of astronomer Georges Roland[1] |
| 1932 RL · 1942 TC Template:Mp · Template:Mp A906 YJ | |
| main-belt[1][2] · (inner) background[3][4] | |
| Orbital characteristics[2] | |
| Epoch 27 April 2019 (JD 2458600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 111.83 yr (40,847 d) |
| Aphelion | 2.5989 AU |
| Perihelion | 1.8390 AU |
| 2.2189 AU | |
| Eccentricity | 0.1712 |
| 3.31 yr (1,207 d) | |
| 37.923° | |
| Template:Deg2DMS / day | |
| Inclination | 4.0315° |
| 6.1128° | |
| 42.974° | |
| Physical characteristics | |
| 7.459±0.114 km[5][6] 7.578±0.291 km[7] 7.62±1.37 km[8] | |
| 10 h (at least)[9] | |
| 0.28[8] 0.2969[7] 0.306[6][5] | |
| Tholen = S[2][10] B–V = 0.870[2] U–B = 0.530[2] | |
| 12.54[1][2][5][7][10] 12.79[8] | |
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1707 Chantal, provisional designation Template:Mp, is a stony background asteroid from the Florian region in the inner asteroid belt, approximately 7.5 kilometers (4.7 miles) in diameter. It was discovered on 8 September 1932, by astronomer Eugène Delporte at the Royal Observatory of Belgium in Uccle.[1] The S-type asteroid has a rotation period of at least 10 hours.[10] It was named for Chantal, the niece of Belgian astronomer Georges Roland.[1]
Orbit and classification
According to modern HCM-analyses by Nesvorný, as well as by Milani and Knežević, Chantal is a non-family asteroid from the main belt's background population.[3][4] In an older HCM-analysis (Zappalà (1990–97), it is a member of the Flora family (402), a giant asteroid family and the largest family of stony asteroids in the main-belt.[3] It orbits the Sun in the inner asteroid belt at a distance of 1.8–2.6 AU once every 3 years and 4 months (1,207 days; semi-major axis of 2.22 AU). Its orbit has an eccentricity of 0.17 and an inclination of 4° with respect to the ecliptic.[2] The asteroid was first observed as Template:Mp at the Heidelberg Observatory in December 1906. The body's observation arc begins at Uccle Observatory in October 1932, or seven weeks after its official discovery observation.[1]
Naming
This minor planet was named by the discoverer Eugène Delporte after Chantal, a niece of Belgian astronomer Georges Roland (1922–1991) of Uccle and co-discoverer of the Comet Arend–Roland.[1] The official naming citation was published by the Minor Planet Center on 8 April 1982 (M.P.C. 6832).[11] Asteroid 1711 Sandrine was also named by the discoverer after a (grand)-niece of Roland.
Physical characteristics
In the Tholen classification, Chantal is a common, stony S-type asteroid.[2][3]
Rotation period
In October 1975, a rotational lightcurve of Chantal was obtained from photometric observations by Swedish astronomer Claes-Ingvar Lagerkvist at the Uppsala Astronomical Observatory. Analysis of the fragmentary lightcurve gave a rotation period of at least 10 hours with a brightness amplitude of more than 0.2 magnitude (U=1).[9]
Diameter and albedo
According to the survey carried out by the NEOWISE mission of NASA's Wide-field Infrared Survey Explorer, Chantal measures between 7.46 and 7.62 kilometers in diameter and its surface has an albedo between 0.28 and 0.31.[5][6][7][8] The Collaborative Asteroid Lightcurve Link assumes a standard albedo for a stony asteroid of 0.20 and calculates a diameter of 9.23 kilometers based on an absolute magnitude of 12.54.[10]
References
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- ^ a b c d e f g h Page Module:Citation/CS1/styles.css has no content."1707 Chantal (1932 RL)". Minor Planet Center. Retrieved 10 December 2018.
- ^ a b c d e f g h Page Module:Citation/CS1/styles.css has no content."JPL Small-Body Database Browser: 1707 Chantal (1932 RL)" (2018-10-22 last obs.). Jet Propulsion Laboratory. Retrieved 10 December 2018.
- ^ a b c d Page Module:Citation/CS1/styles.css has no content."Asteroid 1707 Chantal". Small Bodies Data Ferret. Retrieved 10 December 2018.
- ^ a b Page Module:Citation/CS1/styles.css has no content."Asteroid (1707) Chantal – Proper elements". AstDyS-2, Asteroids – Dynamic Site. Retrieved 10 December 2018.
- ^ a b c d Page Module:Citation/CS1/styles.css has no content.Mainzer, A. K.; Bauer, J. M.; Cutri, R. M.; Grav, T.; Kramer, E. A.; Masiero, J. R.; et al. (June 2016). "NEOWISE Diameters and Albedos V1.0". NASA Planetary Data System: EAR-A-COMPIL-5-NEOWISEDIAM-V1.0. Bibcode:2016PDSS..247.....M. Retrieved 10 December 2018.
- ^ a b c Page Module:Citation/CS1/styles.css has no content.Masiero, Joseph R.; Grav, T.; Mainzer, A. K.; Nugent, C. R.; Bauer, J. M.; Stevenson, R.; et al. (August 2014). "Main-belt Asteroids with WISE/NEOWISE: Near-infrared Albedos". The Astrophysical Journal. 791 (2): 11. arXiv:1406.6645. Bibcode:2014ApJ...791..121M. doi:10.1088/0004-637X/791/2/121. S2CID 119293330.
- ^ 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. S2CID 118700974. (catalog)
- ^ a b c d Page Module:Citation/CS1/styles.css has no content.Nugent, C. R.; Mainzer, A.; Bauer, J.; Cutri, R. M.; Kramer, E. A.; Grav, T.; et al. (September 2016). "NEOWISE Reactivation Mission Year Two: Asteroid Diameters and Albedos". The Astronomical Journal. 152 (3): 12. arXiv:1606.08923. Bibcode:2016AJ....152...63N. doi:10.3847/0004-6256/152/3/63. S2CID 119289027.
- ^ a b Page Module:Citation/CS1/styles.css has no content.Lagerkvist, C.-I. (March 1978). "Photographic photometry of 110 main-belt asteroids". Astronomy and Astrophysics Supplement Series. 31: 361–381. Bibcode:1978A&AS...31..361L.
- ^ a b c d Template:Cite LCDB
- ^ Page Module:Citation/CS1/styles.css has no content."MPC/MPO/MPS Archive". Minor Planet Center. Retrieved 10 December 2018.
External links
- Asteroid Lightcurve Database (LCDB), query form (info Script error: No such module "webarchive".)
- Dictionary of Minor Planet Names, Google books
- Discovery Circumstances: Numbered Minor Planets (1)-(5000) – Minor Planet Center
- Template:AstDys
- 1707 Chantal at the JPL Small-Body DatabaseTemplate:Edit at Wikidata
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