3169 Ostro

Last updated

3169 Ostro
Asteroid (3169) Ostro.gif
Ostro imaged by the 0.7-m telescope
at Heidelberg Observatory
Discovery  [1]
Discovered by E. Bowell
Discovery site Anderson Mesa Stn.
Discovery date4 June 1981
Designations
(3169) Ostro
Named after
 Steven J. Ostro
(planetary scientist) [2]
1981 LA
main-belt  ·(inner)  [1]  · Hungaria   [3] [4]
Orbital characteristics   [1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc 63.43 yr (23,166 days)
Aphelion 2.0184 AU
Perihelion 1.7652 AU
1.8918 AU
Eccentricity 0.0669
2.60 yr (950 days)
120.41°
0° 22m 43.68s / day
Inclination 24.906°
96.376°
32.622°
Physical characteristics
Dimensions4.662±0.118 [5]
5.27 km (derived) [4]
6.503±0.003 [6]
0.5152(derived) [4]
0.960±0.023 [5]
TS (Tholen) [1]
Xe (SMASS) [1]
B–V = 0.771 [1]
U–B = 0.306 [1]
12.73 [1] [4]

    3169 Ostro, provisional designation 1981 LA, is a Hungaria family asteroid from the innermost regions of the asteroid belt, approximately 5 kilometers in diameter.

    Contents

    The asteroid was discovered on 4 June 1981, by American astronomer Edward Bowell at Lowell's Anderson Mesa Station in Flagstaff, Arizona, [3] and named after planetary scientist Steven J. Ostro at JPL. [2]

    Orbit and classification

    Ostro is a member of the Hungaria family, which form the innermost dense concentration of asteroids in the Solar System. It orbits the Sun at a distance of 1.8–2.0  AU once every 2 years and 7 months (950 days). Its orbit has an eccentricity of 0.07 and an inclination of 25° with respect to the ecliptic. [1]

    Physical characteristics

    In the Tholen and SMASS taxonomy, Ostro is classified as a TS-type and Xe-type asteroid, respectively. [1] It has also been characterized as an E-type asteroid. [4]

    According to the survey carried out by NASA's Wide-field Infrared Survey Explorer with its subsequent NEOWISE mission, Ostro measures 4.662 kilometers in diameter and its surface has an outstandingly high albedo of 0.960. [5] The Collaborative Asteroid Lightcurve Link derives an albedo of 0.5152 and a diameter of 5.27 kilometers with an absolute magnitude of 12.73. [4]

    In May 2012, a rotational lightcurve of Ostro was obtained from photometric observations by American astronomer Brian Warner. Lightcurve analysis gave a well-defined rotation period of 6.503 hours with a brightness amplitude of 0.79 magnitude ( U=3 ). [6]

    Naming

    This minor planet was named after American planetary scientist Steven J. Ostro at the Jet Propulsion Laboratory of the California Institute of Technology. [2] The approved naming citation was published by the Minor Planet Center on 14 April 1987 ( M.P.C. 11749). [7]

    Related Research Articles

    3043 San Diego, provisional designation 1982 SA, is a stony Hungaria asteroid and slow rotator from the inner regions of the asteroid belt, approximately 4.7 kilometers in diameter.

    4031 Mueller, provisional designation 1985 CL, is a Hungaria asteroid from the inner regions of the asteroid belt, approximately 4 kilometers in diameter. It was discovered on 12 February 1985, by American astronomer Carolyn Shoemaker at Palomar Observatory, California, and named after astronomer Jean Mueller.

    3225 Hoag, provisional designation 1982 QQ, is a dynamical Hungaria asteroid from the innermost regions of the asteroid belt, approximately 5.5 kilometers in diameter. It was discovered on 20 August 1982, by American astronomer couple Carolyn and Eugene Shoemaker at the Palomar Observatory in California. The stony S/L-type asteroid has a short rotation period of 2.37 hours. It was named for American astronomer Arthur Hoag.

    5175 Ables, provisional designation 1988 VS4, is a bright Hungaria asteroid from the inner regions of the asteroid belt, approximately 5 kilometers in diameter. It was discovered by American astronomers Carolyn and Eugene Shoemaker at the U.S. Palomar Observatory, California, on 4 November 1988. It was named after American astronomer Harold Ables.

    9084 Achristou, provisional designation 1995 CS1, is a stony Hungaria asteroid from the innermost regions of the asteroid belt, about 1.9 kilometers in diameter. It was discovered by British astronomer David J. Asher at Siding Spring Observatory in New South Wales, Australia, on 3 February 1995. The asteroid was named after British planetary astronomer Apostolos Christou.

    1919 Clemence, provisional designation 1971 SA, is a bright Hungaria asteroid and suspected tumbler from the inner regions of the asteroid belt, approximately 4 kilometers in diameter. It was discovered on 16 September 1971, by American astronomer James Gibson together with Argentine astronomer Carlos Cesco at the Yale-Columbia Southern Station at Leoncito Astronomical Complex in Argentina. It is named after astronomer Gerald Clemence.

    3854 George, provisional designation: 1983 EA, is a stony Hungaria asteroid and Mars-crosser from the innermost regions of the asteroid belt, approximately 3.5 kilometers in diameter. It was discovered on 13 March 1983, by American astronomer couple Carolyn and Eugene Shoemaker at the Palomar Observatory in California. The unlikely synchronous binary system has a rotation period of 3.3 hours. It was named after the discoverer's father-in-law, George Shoemaker.

    3353 Jarvis, or by its provisional designation, 1981 YC, is a carbonaceous Hungaria asteroid, slow rotator and suspected tumbler from the inner regions of the asteroid belt, approximately 10 kilometers in diameter.

    5899 Jedicke, provisional designation 1986 AH, is a binary Hungaria asteroid approximately 3 kilometers in diameter. It was discovered on 9 January 1986, by American astronomer Carolyn Shoemaker at Palomar Observatory, and named after the members of the Canadian Jedicke family.

    4868 Knushevia, provisional designation 1989 UN2 is a bright Hungaria asteroid and suspected binary system from the innermost regions of the asteroid belt, approximately 2 kilometers in diameter. It was discovered on 27 October 1989, by American astronomer Eleanor Helin at the Palomar Observatory in California, United States. The asteroid was named for the Kyiv University in Ukraine.

    1355 Magoeba, provisional designation 1935 HE, is a Hungaria asteroid and a suspected contact-binary from the innermost regions of the asteroid belt, approximately 5 kilometers in diameter. It was discovered on 30 April 1935, by English-born, South African astronomer Cyril Jackson at the Johannesburg Observatory in South Africa. The asteroid is named for Magoeba, a tribal chief in the South African Transvaal Province.

    5641 McCleese, provisional designation 1990 DJ, is a rare-type Hungaria asteroid and slow rotator, classified as Mars-crosser from the innermost regions of the asteroid belt, approximately 4 kilometers in diameter.

    5426 Sharp, provisional designation 1985 DD, is a bright Hungaria asteroid and suspected binary system from the inner regions of the asteroid belt, approximately 2–3 kilometers in diameter. It was discovered on 16 February 1985, by American astronomer Carolyn Shoemaker at Palomar Observatory, California, and named after American geologist Robert P. Sharp.

    For other uses, see Steel (disambiguation).

    4142 Dersu-Uzala, provisional designation 1981 KE, is a Hungaria asteroid, sizable Mars-crosser and potentially slow rotator from the innermost region of the asteroid belt, approximately 6 kilometers in diameter. It was discovered by Czech astronomer Zdeňka Vávrová at Kleť Observatory on 28 May 1981. The rare A-type asteroid has a rotation period of 140 hours. It was named after the Siberian trapper and hunter Dersu Uzala.

    4440 Tchantchès, provisional designation 1984 YV, is a rather elongated Hungaria asteroid and a possible binary system from the inner regions of the asteroid belt, approximately 3 kilometers in diameter.

    5477 Holmes, provisional designation 1989 UH2, is a Hungaria asteroid and binary system from the innermost regions of the asteroid belt, approximately 3 kilometers (2 miles) in diameter. It was discovered on 27 October 1989, by American astronomer Eleanor Helin at the Palomar Observatory in California. The presumed E-type asteroid is likely spherical in shape and has a short rotation period of 2.99 hours. It was named for American amateur astronomer Robert Holmes. The discovery of its 1-kilometer-sized minor-planet moon was announced in November 2005.

    (6382) 1988 EL, is a stony Hungaria asteroid from the inner regions of the asteroid belt, approximately 5 kilometers in diameter. It was discovered on 14 March 1988, by American astronomer Jeffrey Alu at the U.S. Palomar Observatory, California.

    8026 Johnmckay, provisional designation 1991 JA1, is a binary Hungaria asteroid and very slow rotator from the inner regions of the asteroid belt, approximately 2 kilometers in diameter. It was discovered on 8 May 1991, by American astronomer Eleanor Helin at the U.S. Palomar Observatory, California, and later named for NASA test pilot John B. McKay.

    (15692) 1984 RA, provisional designation 1984 RA, is a Hungaria asteroid from the innermost regions of the asteroid belt, approximately 2 kilometers in diameter. It was discovered on 1 September 1984, by Italian astronomer Maria Barucci at the Palomar Observatory in California, United States. The presumed E-type asteroid has a longer-than average rotation period of 37.4 hours and possibly an elongated shape.

    References

    1. 1 2 3 4 5 6 7 8 9 10 "JPL Small-Body Database Browser: 3169 Ostro (1981 LA)" (2017-06-04 last obs.). Jet Propulsion Laboratory. Archived from the original on 23 April 2017. Retrieved 15 June 2017.
    2. 1 2 3 Schmadel, Lutz D. (2007). "(3169) Ostro". Dictionary of Minor Planet Names – (3169) Ostro. Springer Berlin Heidelberg. p. 262. doi:10.1007/978-3-540-29925-7_3170. ISBN   978-3-540-00238-3.
    3. 1 2 "3169 Ostro (1981 LA)". Minor Planet Center. Retrieved 15 June 2017.
    4. 1 2 3 4 5 6 "LCDB Data for (3169) Ostro". Asteroid Lightcurve Database (LCDB). Retrieved 15 June 2017.
    5. 1 2 3 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 . Retrieved 15 June 2017.
    6. 1 2 Warner, Brian D. (October 2012). "Asteroid Lightcurve Analysis at the Palmer Divide Observatory: 2012 March - June". The Minor Planet Bulletin. 39 (4): 245–252. Bibcode:2012MPBu...39..245W. ISSN   1052-8091 . Retrieved 15 June 2017.
    7. ↑ "MPC/MPO/MPS Archive". Minor Planet Center. Retrieved 15 June 2017.
    This page is based on this Wikipedia article
    Text is available under the CC BY-SA 4.0 license; additional terms may apply.
    Images, videos and audio are available under their respective licenses.