1365 Henyey

1365 Henyey
Discovery [1]
Discovered by M. Wolf
Discovery site Heidelberg Obs.
Discovery date 9 September 1928
Designations
MPC designation 1365 Henyey
Named after
 Louis Henyey
(astronomer)[2]
1928 RK · 1932 WL
1941 ME · 1973 YG4
1984 BA · A907 GK
main-belt · Flora [3]
Orbital characteristics [1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc 86.93 yr (31750 days)
Aphelion 2.5248 AU (377.70 Gm)
Perihelion 1.9732 AU (295.19 Gm)
2.2490 AU (336.45 Gm)
Eccentricity 0.12263
3.37 yr (1231.9 d)
121.95°
0° 17m 32.028s / day
Inclination 5.0748°
258.56°
337.27°
Earth MOID 0.962186 AU (143.9410 Gm)
Jupiter MOID 2.47989 AU (370.986 Gm)
Jupiter Tisserand parameter 3.613
Physical characteristics
Dimensions 10.96±0.37 km[4]
11.84 km (calculated)[3]
18.986 h (0.7911 d)[1][5]
0.280±0.041[4]
0.24 (assumed)[3]
S [3]
11.9

    1365 Henyey, provisional designation 1928 RK, is a stony asteroid from the inner regions of the asteroid belt, about 11 kilometers in diameter. It was discovered by German astronomer Max Wolf at Heidelberg Observatory, southern Germany, on 9 September 1928.[6]

    The asteroid is a member of the Flora family, a large group of S-type asteroids in the inner main-belt. It orbits the Sun at a distance of 2.0–2.5 AU once every 3 years and 4 months (1,232 days). Its orbit shows an eccentricity of 0.12 and is tilted by 5 degrees to the plane of the ecliptic. It has a rotation period of 18.99 hours[5] and an albedo of 0.28 and 0.24, based on data of the WISE/NEOWISE mission and on assumptions made by the Collaborative Asteroid Lightcurve Link, respectively.[3][4]

    It was named after American astronomer Louis Henyey (1910–1970), known for his contributions in the field of stellar structure and stellar evolution. The lunar crater Henyey is also named in his honour.[2]

    References

    1. 1 2 3 "JPL Small-Body Database Browser: 1365 Henyey (1928 RK)" (2015-08-14 last obs.). Jet Propulsion Laboratory. Retrieved 27 April 2016.
    2. 1 2 Schmadel, Lutz D. (2003). Dictionary of Minor Planet Names – (1365) Henyey. Springer Berlin Heidelberg. p. 111. ISBN 978-3-540-29925-7. Retrieved 24 November 2015.
    3. 1 2 3 4 5 "LCDB Data for (1365) Henyey". Asteroid Lightcurve Database (LCDB). Retrieved 24 November 2015.
    4. 1 2 3 Masiero, Joseph R.; Mainzer, A. K.; Grav, T.; Bauer, J. M.; Cutri, R. M.; Nugent, C.; et al. (November 2012). "Preliminary Analysis of WISE/NEOWISE 3-Band Cryogenic and Post-cryogenic Observations of Main Belt Asteroids". The Astrophysical Journal Letters. 759 (1): 5. arXiv:1209.5794Freely accessible. Bibcode:2012ApJ...759L...8M. doi:10.1088/2041-8205/759/1/L8. Retrieved 24 November 2015.
    5. 1 2 Klinglesmith, Daniel A. III; Hanowell, Jesse; Risley, Ethan; Turk, Janek; Vargas, Angelica; Warren, Curtis Alan (April 2013). "Asteroid Synodic Periods from Etscorn Campus Observatory". The Minor Planet Bulletin. 40 (2): 65–67. Bibcode:2013MPBu...40...65K. ISSN 1052-8091. Retrieved 24 November 2015.
    6. ↑ "1365 Henyey (1928 RK)". Minor Planet Center. Retrieved 24 November 2015.

    External links

    Further reading


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