Ensiklopedia Dunia

Technopedia Center

Faculty of Engineering and Computer Science
S1 Informatics S1 Information Systems S1 Information Technology S1 Computer Engineering S1 Electrical Engineering S1 Civil Engineering

faculty of Economics and Business
S1 Management S1 Accountancy

Faculty of Letters and Educational Sciences
S1 English literature S1 English language education S1 Mathematics education S1 Sports Education

1707 Chantal - Wikipedia

From Wikipedia, the free encyclopedia

1707 Chantal
Discovery^[1]
Discovered by	E. Delporte
Discovery site	Uccle Obs.
Discovery date	8 September 1932
Designations
MPC designation	(1707) Chantal
Named after	Niece of astronomer Georges Roland^[1]
Alternative designations	1932 RL · 1942 TC 1950 BF₁ · 1955 QA₁ A906 YJ
Minor planet category	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
Semi-major axis	2.2189 AU
Eccentricity	0.1712
Orbital period (sidereal)	3.31 yr (1,207 d)
Mean anomaly	37.923°
Mean motion	0° 17^m 53.52^s / day
Inclination	4.0315°
Longitude of ascending node	6.1128°
Argument of perihelion	42.974°
Physical characteristics
Mean diameter	7.459±0.114 km^[5]^[6] 7.578±0.291 km^[7] 7.62±1.37 km^[8]
Synodic rotation period	10 h (at least)^[9]
Geometric albedo	0.28^[8] 0.2969^[7] 0.306^[6]^[5]
Spectral type	Tholen = S^[2]^[10] B–V = 0.870^[2] U–B = 0.530^[2]
Absolute magnitude (H)	12.54^[1]^[2]^[5]^[7]^[10] 12.79^[8]

1707 Chantal, provisional designation 1932 RL, 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 A906 YJ 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) at 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

^ ^a ^b ^c ^d ^e ^f ^g ^h "1707 Chantal (1932 RL)". Minor Planet Center. Retrieved 10 December 2018.
^ ^a ^b ^c ^d ^e ^f ^g ^h "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 "Asteroid 1707 Chantal". Small Bodies Data Ferret. Retrieved 10 December 2018.
^ ^a ^b "Asteroid (1707) Chantal – Proper elements". AstDyS-2, Asteroids – Dynamic Site. Retrieved 10 December 2018.
^ ^a ^b ^c ^d 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 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 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 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 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 "LCDB Data for (1707) Chantal". Asteroid Lightcurve Database (LCDB). Retrieved 10 December 2018.
^ "MPC/MPO/MPS Archive". Minor Planet Center. Retrieved 10 December 2018.

External links

Asteroid Lightcurve Database (LCDB), query form (info Archived 16 December 2017 at the Wayback Machine)
Dictionary of Minor Planet Names, Google books
Discovery Circumstances: Numbered Minor Planets (1)-(5000) – Minor Planet Center
1707 Chantal at AstDyS-2, Asteroids—Dynamic Site
- Ephemeris · Observation prediction · Orbital info · Proper elements · Observational info
1707 Chantal at the JPL Small-Body Database
- Close approach · Discovery · Ephemeris · Orbit viewer · Orbit parameters · Physical parameters

v t e Minor planets navigator
1706 Dieckvoss 1707 Chantal 1708 Pólit

Small Solar System bodies

Minor planets

Designation Groups List Moon Meanings of names
Asteroid	Active Aten asteroid Asteroid belt Family Jupiter trojan Near-Earth Spectral types
Distant minor planet	Centaur Neptune trojan Damocloid Trans-Neptunian object Detached Kuiper belt Oort cloud Scattered disc

Comets

Other

Categories:

Hidden categories: