3288 Seleucus

Last updated
3288 Seleucus
Discovery  [1]
Discovered by H.-E. Schuster
Discovery site La Silla Obs.
Discovery date28 February 1982
Designations
(3288) Seleucus
Pronunciation /sɪˈluːkəs/
Named after
 Seleucus I Nicator
(Seleucid Empire) [2]
1982 DV
Amor  · NEO   [1] [3]
Orbital characteristics   [1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc 35.34 yr (12,907 days)
Aphelion 2.9605 AU
Perihelion 1.1053 AU
2.0329 AU
Eccentricity 0.4563
2.90 yr (1,059 days)
77.175°
0° 20m 24s / day
Inclination 5.9306°
218.65°
349.29°
Earth  MOID 0.1029 AU ·40.1 LD
Physical characteristics
Dimensions2.2 km [4]
2.49±0.07 km [5]
2.8 km (Gehrels) [1]
2.832±1.100 km [6]
16 h (dated) [7]
75±5 h [8]
75 h [9]
0.139±0.127 [6]
0.22 (Gehrels) [1]
0.23 [4]
0.24±0.04 [5]
S (Tholen)  [1]  ·K (SMASS)  [1]  · S   [10]
B–V = 0.910 [1]
U–B = 0.500 [1]
15.2 [5]  ·15.3 [1]  ·15.5 [4] [10]  ·15.50±0.3 [6]  ·15.6±0.3 [8]

    3288 Seleucus, provisional designation 1982 DV, is a rare-type stony asteroid, classified as near-Earth object of the Amor group of asteroids, approximately 2.5 kilometers in diameter. It was discovered on 28 February 1982, by German astronomer Hans-Emil Schuster at ESO's La Silla Observatory site in northern Chile. [3] It was named after the Hellenistic general and Seleucid ruler Seleucus I Nicator. [2]

    Contents

    Orbit

    Seleucus orbits the Sun in the inner main-belt at a distance of 1.1–3.0  AU once every 2 years and 11 months (1,059 days). Its orbit has an eccentricity of 0.46 and an inclination of 6° with respect to the ecliptic. [1] Seleucus has an Earth minimum orbital intersection distance of 0.1029 AU (15,400,000 km), which corresponds to 40.1 lunar distances. [1] As no precoveries were taken, and no prior identifications were made, the body's observation arc begins with its official discovery observation at La Silla. [3]

    Physical parameters

    Spectral type

    On the Tholen and SMASS taxonomic scheme, Seleucus is classified as a featureless S-type and rare K-type asteroid, respectively. [1]

    Rotation period

    It has a relatively long rotation period of 75 hours with a brightness variation of 1.0 magnitude, indicative of a non-spheroidal shape ( U=3/3 ). [8] [9] While most minor planets have spin rate between 2 and 20 hours, Seleucus still rotates faster than a typical slow rotator, which have periods above 100 hours.

    Diameter and albedo

    According to the survey carried out by NASA's Wide-field Infrared Survey Explorer with its subsequent NEOWISE mission, Seleucus measures 2.49 and 2.83 kilometers in diameter, and its surface has an albedo of 0.139 and 0.24, respectively. [5] [6] The Collaborative Asteroid Lightcurve Link adopts an albedo of 0.23 and a diameter of 2.2 kilometers, based on modeled data by Alan Harris. [4] [10]

    Naming

    This minor planet is named for Seleucus I Nicator, a general in the army of Alexander the Great, and, after the death of Alexander, founder and king of the Seleucid Empire. [2] The approved naming citation was published by the Minor Planet Center on 29 September 1985 ( M.P.C. 10046). [11]

    See also

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    References

    1. 1 2 3 4 5 6 7 8 9 10 11 12 13 "JPL Small-Body Database Browser: 3288 Seleucus (1982 DV)" (2017-07-01 last obs.). Jet Propulsion Laboratory . Retrieved 3 July 2017.
    2. 1 2 3 Schmadel, Lutz D. (2007). "(3288) Seleucus". Dictionary of Minor Planet Names – (3288) Seleucus. Springer Berlin Heidelberg. p. 274. doi:10.1007/978-3-540-29925-7_3289. ISBN   978-3-540-00238-3.
    3. 1 2 3 "3288 Seleucus (1982 DV)". Minor Planet Center. Retrieved 9 January 2017.
    4. 1 2 3 4 Harris, Alan W. (February 1998). "A Thermal Model for Near-Earth Asteroids". Icarus. 131 (2): 291–301. Bibcode:1998Icar..131..291H. doi:10.1006/icar.1997.5865 . Retrieved 9 January 2017.
    5. 1 2 3 4 Nugent, C. R.; Mainzer, A.; Masiero, J.; Bauer, J.; Cutri, R. M.; Grav, T.; et al. (December 2015). "NEOWISE Reactivation Mission Year One: Preliminary Asteroid Diameters and Albedos". The Astrophysical Journal. 814 (2): 13. arXiv: 1509.02522 . Bibcode:2015ApJ...814..117N. doi:10.1088/0004-637X/814/2/117. S2CID   9341381 . Retrieved 9 January 2017.
    6. 1 2 3 4 Mainzer, A.; Grav, T.; Masiero, J.; Bauer, J.; Cutri, R. M.; McMillan, R. S.; et al. (November 2012). "Physical Parameters of Asteroids Estimated from the WISE 3-Band Data and NEOWISE Post-Cryogenic Survey". The Astrophysical Journal Letters. 760 (1): 6. arXiv: 1210.0502 . Bibcode:2012ApJ...760L..12M. doi:10.1088/2041-8205/760/1/L12. S2CID   41459166 . Retrieved 9 January 2017.
    7. ↑ Debehogne, H.; de Sanctis, G.; Zappala, V. (August 1983). "Photoelectric photometry of asteroids 45, 120, 776, 804, 814, and 1982DV". Icarus. 55 (2): 236–244. Bibcode:1983Icar...55..236D. doi:10.1016/0019-1035(83)90078-7. ISSN   0019-1035 . Retrieved 9 January 2017.
    8. 1 2 3 Harris, A. W.; Young, J. W.; Bowell, E.; Tholen, D. J. (November 1999). "Asteroid Lightcurve Observations from 1981 to 1983". Icarus. 142 (1): 173. Bibcode:1999Icar..142..173H. doi:10.1006/icar.1999.6181 . Retrieved 9 January 2017.
    9. 1 2 Pravec, P.; Harris, A. W.; Scheirich, P.; Kusnirák, P.; Sarounová, L.; Hergenrother, C. W.; et al. (January 2005). "Tumbling asteroids". Icarus. 173 (1): 108–131. Bibcode:2005Icar..173..108P. doi:10.1016/j.icarus.2004.07.021 . Retrieved 9 January 2017.
    10. 1 2 3 "LCDB Data for (3288) Seleucus". Asteroid Lightcurve Database (LCDB). Retrieved 9 January 2017.
    11. ↑ "MPC/MPO/MPS Archive". Minor Planet Center. Retrieved 9 January 2017.
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