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Contents

   



(Top)
 


1 Orbit and classification  





2 Physical characteristics  



2.1  Rotation period  





2.2  Diameter and albedo  







3 Naming  





4 References  





5 External links  














7317 Cabot






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From Wikipedia, the free encyclopedia
 


7317 Cabot
Discovery [1]
Discovered byG. Kulin
Discovery siteKonkoly
Discovery date12 March 1940
Designations

MPC designation

(7317) Cabot

Named after

John Cabot[1]
(Italian explorer)

Alternative designations

1940 ED · 1983 JH
1987 OV1

Minor planet category

main-belt[1][2] · (inner)
background[3] · Flora[4]
Orbital characteristics[2]
Epoch 23 March 2018 (JD 2458200.5)
Uncertainty parameter 0
Observation arc34.79 yr (12,706 d)
Aphelion2.6836 AU
Perihelion1.9780 AU

Semi-major axis

2.3308 AU
Eccentricity0.1514

Orbital period (sidereal)

3.56 yr (1,300 d)

Mean anomaly

283.55°

Mean motion

0° 16m 37.2s / day
Inclination3.9844°

Longitude of ascending node

182.64°

Argument of perihelion

54.312°
Physical characteristics

Mean diameter

3.62 km (calculated)[4]
3.66±0.86 km[5]
5.363±0.257 km[6][7]

Synodic rotation period

2.237±0.0003 h[8]

Geometric albedo

0.185±0.034[6][7]
0.24±0.12[5]
0.24 (assumed)[4]

Spectral type

S (assumed)[4]

Absolute magnitude (H)

13.8[7]
13.922±0.003 (R)[8]
14.0[2]
14.08±1.52[9]
14.33[5]
14.37[4]

7317 Cabot, provisional designation 1940 ED, is a background asteroid in a resonance with Jupiter, located the inner regions of the asteroid belt, approximately 3.6 kilometers (2.2 miles) in diameter. It was discovered on 12 March 1940, by Hungarian astronomer György Kulin at the Konkoly Observatory in Budapest.[1] The presumed S-type asteroid has a rotation period of 2.2 hours.[4] It was named after Italian explorer John Cabot.[1]

Orbit and classification

[edit]

Cabot is located in a 10:3 orbital resonance with Jupiter (10/3J),[10] a mean-motion resonance of moderate order and a location of orbital instability. Asteroids in these resonances are known for their chaotic orbits with a relatively short Lyapunov time.[11] It is a non-family asteroid of the main belt's background population when applying the hierarchical clustering method to its proper orbital elements.[3] Based on osculating Keplerian orbital elements, the asteroid has also been classified as a member of the Flora family (402), a giant asteroid family and the largest family of stony asteroids in the main-belt.[4]

It orbits the Sun in the inner asteroid belt at a distance of 2.0–2.7 AU once every 3 years and 7 months (1,300 days; semi-major axis of 2.33 AU). Its orbit has an eccentricity of 0.15 and an inclination of 4° with respect to the ecliptic.[2] The body's observation arc begins with its observation as 1983 JHatKlet Observatory in May 1983, or more than 43 years after to its official discovery observation at Konkoly.[1]

Physical characteristics

[edit]

Cabot is an assumed, stony S-type asteroid.[4]

Rotation period

[edit]

In January 2011, a fragmentary rotational lightcurveofCabot was obtained from photometric observations in the R-band by astronomers at the Palomar Transient Factory in California. Lightcurve analysis gave a poorly defined rotation period of 2.237 hours with a brightness amplitude of 0.10 magnitude (U=1).[8] As of 2018, no secure period has been published.[4]

Diameter and albedo

[edit]

According to the survey carried out by the NEOWISE mission of NASA's Wide-field Infrared Survey Explorer, Cabot measures 3.66 and 5.363 kilometers in diameter and its surface has an albedo of 0.185 and 0.24, respectively.[5][6][7] The Collaborative Asteroid Lightcurve Link assumes an albedo of 0.24 – derived from 8 Flora, the parent body of the Flora family – and calculates a diameter of 3.62 kilometers based on an absolute magnitude of 14.37.[4]

Naming

[edit]

This minor planet was named after Italian explorer John Cabot (Giovanni Caboto; c. 1450–1499), who discovered the coast of North America in 1497, the first recorded landfall since the Norse voyages. The Venetian navigator sailed from Bristol under the commission of Henry VII of England.[1] The official naming citation was published by the Minor Planet Center on 20 June 1997 (M.P.C. 30101).[12]

References

[edit]
  1. ^ a b c d e f g "7317 Cabot (1940 ED)". Minor Planet Center. Retrieved 23 May 2018.
  • ^ a b c d "JPL Small-Body Database Browser: 7317 Cabot (1940 ED)" (2018-02-25 last obs.). Jet Propulsion Laboratory. Retrieved 23 May 2018.
  • ^ a b "Asteroid 7317 Cabot". Small Bodies Data Ferret. Retrieved 23 May 2018.
  • ^ a b c d e f g h i j "LCDB Data for (7317) Cabot". Asteroid Lightcurve Database (LCDB). Retrieved 23 May 2018.
  • ^ 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.
  • ^ a b c Masiero, Joseph R.; Mainzer, A. K.; Grav, T.; Bauer, J. M.; Cutri, R. M.; Dailey, J.; et al. (November 2011). "Main Belt Asteroids with WISE/NEOWISE. I. Preliminary Albedos and Diameters". The Astrophysical Journal. 741 (2): 20. arXiv:1109.4096. Bibcode:2011ApJ...741...68M. doi:10.1088/0004-637X/741/2/68. S2CID 118745497.
  • ^ 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 35447010. (catalog)
  • ^ a b c 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. S2CID 8342929.
  • ^ Veres, Peter; Jedicke, Robert; Fitzsimmons, Alan; Denneau, Larry; Granvik, Mikael; Bolin, Bryce; et al. (November 2015). "Absolute magnitudes and slope parameters for 250,000 asteroids observed by Pan-STARRS PS1 - Preliminary results". Icarus. 261: 34–47. arXiv:1506.00762. Bibcode:2015Icar..261...34V. doi:10.1016/j.icarus.2015.08.007. S2CID 53493339.
  • ^ "(7317) Cabot – Proper Elements". AstDyS-2, Asteroids—Dynamic Site. Retrieved 23 May 2018.
  • ^ Nesvorný, D.; Morbidelli, A. (December 1998). "Three-Body Mean Motion Resonances and the Chaotic Structure of the Asteroid Belt". The Astronomical Journal. 116 (6): 3029–3037. Bibcode:1998AJ....116.3029N. doi:10.1086/300632.
  • ^ "MPC/MPO/MPS Archive". Minor Planet Center. Retrieved 23 May 2018.
  • [edit]
    Retrieved from "https://en.wikipedia.org/w/index.php?title=7317_Cabot&oldid=1191449412"

    Categories: 
    Minor planet object articles (numbered)
    Background asteroids
    Discoveries by György Kulin
    Named minor planets
    Astronomical objects discovered in 1940
    Hidden categories: 
    Use dmy dates from May 2018
    Webarchive template wayback links
    Articles with JPL SBDB identifiers
    Articles with MPC identifiers
     



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