1017 Jacqueline

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1017 Jacqueline
001017-asteroid shape model (1017) Jacqueline.png
Shape model of Jacqueline from its lightcurve
Discovery [1]
Discovered by B. Jekhovsky
Discovery site Algiers Obs.
Discovery date4 February 1924
Designations
(1017) Jacqueline
Named after
 Jacqueline Zadoc-Kahn Eisenmann [2]
(discoverer's pupil)
1924 QL ·1929 LG
1953 AC ·A924 ED
A924 CH
Orbital characteristics [3]
Epoch 31 May 2020 (JD 2459000.5)
Uncertainty parameter 0
Observation arc 92.01 yr (33,607 d)
Aphelion 2.8098 AU
Perihelion 2.4017 AU
2.6058 AU
Eccentricity 0.0783
4.21 yr (1,536 d)
292.84°
0° 14m 3.48s / day
Inclination 7.9280°
118.94°
68.145°
Physical characteristics
Mean diameter
  • 37.65±3.4  km [6]
  • 38.87±0.51 km [7]
  • 40.152±0.199 km [8]
7.87±0.01  h [9]
  • (7.0°, 55.0°) (λ1/β1) [5]
  • (170.0°, 65.0°) (λ2/β2) [5]
  • 0.051±0.002 [7]
  • 0.052±0.005 [8]
  • 0.0544±0.011 [6]
SMASS = C [3]
11.1 [1] [3]

    1017 Jacqueline (prov. designation: A924 CHor1924 QL) is a dark background asteroid from the central regions of the asteroid belt. It was discovered on 4 February 1924, by Russian-French astronomer Benjamin Jekhowsky at the Algiers Observatory, Algeria, in North Africa. [1] The carbonaceous C-type asteroid has a rotation period of 7.87 hours with a high brightness amplitude of 0.6 magnitude and measures approximately 39 kilometers (24 miles) in diameter. [10] It was named after the French physicist and long-time pupil of the discoverer, Jacqueline Zadoc-Kahn Eisenmann (1904–1998). [2]

    Contents

    Orbit and classification

    Jacqueline is a non-family asteroid of the main belt's background population when applying the hierarchical clustering method to its proper orbital elements. [4] [5] It orbits the Sun in the intermediate asteroid belt at a distance of 2.4–2.8  AU once every 4 years and 3 months (1,536 days; semi-major axis of 2.61 AU). Its orbit has an eccentricity of 0.08 and an inclination of 8° with respect to the ecliptic. [3] The asteroid's earliest preserved observation dates back to 7 March 1924 at Heidelberg Observatory, where the body's observation arc begins in February 1928, nearly four years after its official discovery observation at Algiers–Bouzaréah. [1]

    Naming

    This minor planet was named after Jacqueline Zadoc-Kahn Eisenmann (1904–1998), [11] a French physicist and long-time student of Jekhowsky's. The naming was mentioned in The Names of the Minor Planets by Paul Herget in 1955 ( H 97 ). [2]

    Physical characteristics

    In the Bus–Binzel SMASS classification, Jacqueline is a common, carbonaceous C-type asteroid. [3] [10]

    Rotation period

    In May 2000, a rotational lightcurve of Jacqueline was obtained from photometric observations by American photometrist Robert Stephens at the Santana Observatory ( 646 ) in California. Analysis of the classically shaped bimodal lightcurve gave a well-defined rotation period of 7.87±0.01 hours and a brightness variation of 0.6±0.02 magnitude, indicative of a non-spheroidal shape ( U=3 ). [9] Other measurements by Eric Barbotin and by astronomers at the Palomar Transient Factory gave a similar period of 7.873 and 7.875 hours with an amplitude of 0.72 and 0.43 magnitude, respectively ( U=3-/2 ). [12] [13]

    In 2016, a lightcurve was published using modeled photometric data from the Lowell Photometric Database. It gave a concurring sidereal period of 7.87149 hours, as well as two spin axes of (7.0°, 55.0°) and (170.0°, 65.0°) in ecliptic coordinates (λ, β). [14]

    Diameter and albedo

    According to the surveys carried out by the Infrared Astronomical Satellite IRAS, the Japanese Akari satellite and the NEOWISE mission of NASA's Wide-field Infrared Survey Explorer, Jacqueline measures (37.65±3.4), (38.87±0.51) and (40.152±0.199) kilometers in diameter and its surface has an albedo of (0.0544±0.011), (0.051±0.002) and (0.052±0.005), respectively. [6] [7] [8] The Collaborative Asteroid Lightcurve Link derives an albedo of 0.0497 and a diameter of 37.61 kilometers based on an absolute magnitude of 11.0. [10]

    Alternative mean-diameter measurements published by the WISE team include (29.523±10.14 km), (30.09±11.84 km), (31.991±0.454 km), (32.631±9.058 km) and (45.056±0.325 km) with corresponding albedos of (0.0670±0.0538), (0.07±0.06), (0.069±0.012), (0.06±0.02) and (0.0380±0.0053). [5] [10]

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    References

    1. 1 2 3 4 5 "1017 Jacqueline (A924 CH)". Minor Planet Center. Retrieved 12 March 2020.
    2. 1 2 3 Schmadel, Lutz D. (2007). "(1017) Jacqueline". Dictionary of Minor Planet Names. Springer Berlin Heidelberg. p. 88. doi:10.1007/978-3-540-29925-7_1018. ISBN   978-3-540-00238-3.
    3. 1 2 3 4 5 6 "JPL Small-Body Database Browser: 1017 Jacqueline (A924 CH)" (2020-02-02 last obs.). Jet Propulsion Laboratory . Retrieved 12 March 2020.
    4. 1 2 "Asteroid 1017 Jacqueline – Proper Elements". AstDyS-2, Asteroids – Dynamic Site. Retrieved 12 March 2020.
    5. 1 2 3 4 5 "Asteroid 1017 Jacqueline – Nesvorny HCM Asteroid Families V3.0". Small Bodies Data Ferret. Retrieved 24 October 2019.
    6. 1 2 3 Tedesco, E. F.; Noah, P. V.; Noah, M.; Price, S. D. (October 2004). "IRAS Minor Planet Survey V6.0". NASA Planetary Data System. 12: IRAS-A-FPA-3-RDR-IMPS-V6.0. Bibcode:2004PDSS...12.....T . Retrieved 12 March 2020.
    7. 1 2 3 Usui, Fumihiko; Kuroda, Daisuke; Müller, Thomas G.; Hasegawa, Sunao; Ishiguro, Masateru; Ootsubo, Takafumi; et al. (October 2011). "Asteroid Catalog Using Akari: AKARI/IRC Mid-Infrared Asteroid Survey". Publications of the Astronomical Society of Japan. 63 (5): 1117–1138. Bibcode:2011PASJ...63.1117U. doi: 10.1093/pasj/63.5.1117 . (online, AcuA catalog p. 153)
    8. 1 2 3 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. Bibcode:2016PDSS..247.....M . Retrieved 12 March 2020.
    9. 1 2 Stephens, R. D. (December 2000). "Rotational Periods and Lightcurves of 891 Gunhild and 1017 Jacqueline" (PDF). Minor Planet Bulletin. 27 (1): 54–55. Bibcode:2000MPBu...27...54S.
    10. 1 2 3 4 "LCDB Data for (1017) Jacqueline". Asteroid Lightcurve Database (LCDB). Retrieved 8 March 2018.
    11. ↑ "Jacqueline Eisenmann (Zadoc-Kahn)". www.geni.com. Retrieved 8 March 2018.
    12. ↑ Behrend, Raoul. "Asteroids and comets rotation curves – (1017) Jacqueline". Geneva Observatory . Retrieved 8 March 2018.
    13. ↑ Waszczak, Adam; Chang, Chan-Kao; Ofek, Eran O.; Laher, Russ; Masci, Frank; Levitan, David; et al. (September 2015). "Asteroid Light Curves from the Palomar Transient Factory Survey: Rotation Periods and Phase Functions from Sparse Photometry". The Astronomical Journal. 150 (3): 35. arXiv: 1504.04041 . Bibcode:2015AJ....150...75W. doi:10.1088/0004-6256/150/3/75.
    14. ↑ Durech, J.; Hanus, J.; Oszkiewicz, D.; Vanco, R. (March 2016). "Asteroid models from the Lowell photometric database". Astronomy and Astrophysics. 587: 6. arXiv: 1601.02909 . Bibcode:2016A&A...587A..48D. doi:10.1051/0004-6361/201527573 . Retrieved 8 March 2018.
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