2384 Schulhof

2384 Schulhof

Light-curve based 3D-model of 2384 Schulhof
Discovery [1]
Discovered by M. Laugier
Discovery site Nice Obs.
Discovery date 2 March 1943
Designations
MPC designation 2384 Schulhof
Named after
 Lipót Schulhof
(astronomer)[2]
1943 EC1 · 1943 GV
1960 FE · 1962 WL1
1970 RP · 1981 FF
A909 BF
main-belt · Eunomia [3]
Orbital characteristics [1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc 73.27 yr (26,762 days)
Aphelion 2.9232 AU
Perihelion 2.2996 AU
2.6114 AU
Eccentricity 0.1194
4.22 yr (1,541 days)
116.42°
0° 14m 0.96s / day
Inclination 13.532°
7.9142°
205.55°
Physical characteristics
Dimensions 11.721±0.138 km[4]
12.66 km (calculated)[3]
3.294±0.006 h[5]
0.21 (assumed)[3]
0.2733±0.0217[4]
S [3]
11.7[4]
11.8[1][3]

    2384 Schulhof, provisional designation 1943 EC1, is a stony Eunomia asteroid from the middle region of the asteroid belt, approximately 12 kilometers in diameter. It was discovered on 2 March 1943, by French astronomer Marguerite Laugier at Nice Observatory in southeastern France.[6]

    The asteroid is a member of the Eunomia family, a large group of S-type asteroids and the most prominent family in the intermediate main-belt. It orbits the Sun at a distance of 2.3–2.9 AU once every 4 years and 3 months (1,541 days). Its orbit has an eccentricity of 0.12 and an inclination of 14° with respect to the ecliptic.[1] As the first identification at Heidelberg Observatory from 1909 is not used, the asteroid's observation arc begins with its discovery in 1943.[6]

    In April 2002, a rotational light-curve was obtained from photometeric observations at the U.S. Oakley Observatory. It gave a well-defined rotation period of 3.294±0.006 hours with a brightness variation of 0.43 in magnitude (U=3).[5]

    According to the survey carried out by the NEOWISE mission of NASA's Wide-field Infrared Survey Explorer, the asteroid measures 11.7 kilometers in diameter and its surface has an albedo of 0.27,[4] while the Collaborative Asteroid Lightcurve Link assumes an albedo of 0.21 – derived form 15 Eunomia, the family's largest member and namesake – and calculates a diameter of 12.7 kilometers.[3]

    The minor planet was named in memory of Austrian–Hungarian astronomer Lipót Schulhof (1847–1921), observer of asteroids and comets, discoverer of the main-belt asteroid 147 Protogeneia, and awardee of the Lalande Prize.[2] Naming citation was published on 17 February 1984, based on a suggestion by Brian G. Marsden (M.P.C. 8541).[7]

    References

    1. 1 2 3 4 "JPL Small-Body Database Browser: 2384 Schulhof (1943 EC1)" (2016-06-08 last obs.). Jet Propulsion Laboratory. Retrieved 5 July 2016.
    2. 1 2 Schmadel, Lutz D. (2007). Dictionary of Minor Planet Names – (2384) Schulhof. Springer Berlin Heidelberg. p. 194. ISBN 978-3-540-00238-3. Retrieved 5 July 2016.
    3. 1 2 3 4 5 6 "LCDB Data for (2384) Schulhof". Asteroid Lightcurve Database (LCDB). Retrieved 5 July 2016.
    4. 1 2 3 4 Mainzer, A.; Grav, T.; Masiero, J.; Hand, E.; Bauer, J.; Tholen, D.; et al. (November 2011). "NEOWISE Studies of Spectrophotometrically Classified Asteroids: Preliminary Results" (PDF). The Astrophysical Journal. 741 (2): 25. arXiv:1109.6407Freely accessible. Bibcode:2011ApJ...741...90M. doi:10.1088/0004-637X/741/2/90. Retrieved 5 July 2016.
    5. 1 2 Ditteon, R.; Bixby, A. R.; Sarros, A. M.; Waters, C. T. (December 2002). "Rotation Periods and Lightcurves of 1858 Lobachevskij, 2384 Schulhof and (5515) 1989 EL1". The Minor Planet Bulletin. 29: 69. Bibcode:2002MPBu...29...69D. Retrieved 5 July 2016.
    6. 1 2 "2384 Schulhof (1943 EC1)". Minor Planet Center. Retrieved 5 July 2016.
    7. ↑ "MPC/MPO/MPS Archive". Minor Planet Center. Retrieved 5 July 2016.

    External links

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