25000 Astrometria

Last updated

25000 Astrometria
Discovery [1]
Discovered by P. G. Comba
Discovery site Prescott Obs.
Discovery date28 July 1998
Designations
(25000) Astrometria
Named after
astrometry [2]
(branch of astronomy)
1998 OW5
main-belt  ·(outer)
background [3]
Orbital characteristics [1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc 35.25 yr (12,875 d)
Aphelion 3.4706 AU
Perihelion 2.8558 AU
3.1632 AU
Eccentricity 0.0972
5.63 yr (2,055 days)
307.37°
0° 10m 30.72s / day
Inclination 14.935°
142.05°
13.193°
Physical characteristics
17.483±0.213  km [4]
22.77±1.8 km [5]
0.0311±0.006 [5]
0.053±0.007 [4]
12.6 [5]  ·12.7 [1]

    25000 Astrometria (provisional designation 1998 OW5) is a dark background asteroid from the outer regions of the asteroid belt, approximately 20 kilometers in diameter. It was discovered on 28 July 1998, by American astronomer Paul Comba at his Prescott Observatory in Arizona, United States. The asteroid was named in honor of the astronomical branch astrometry. [2]

    Contents

    Orbit and classification

    Astrometria is a non-family from the main belt's background population. [3] It orbits the Sun in the outer asteroid belt at a distance of 2.9–3.5  AU once every 5 years and 8 months (2,055 days; semi-major axis of 3.16 AU). Its orbit has an eccentricity of 0.10 and an inclination of 15° with respect to the ecliptic. [1]

    Published by the Digitized Sky Survey, the asteroid was first observed at the Siding Spring Observatory, Australia, in August 1982. The body's observation arc begins with its official discovery observation at Prescott Observatory. [2]

    Physical characteristics

    Astrometria is likely a carbonaceous C-type asteroid or potentially an even darker D-type or primitive P-type asteroid based on its low albedo (see below).

    Rotation period

    As of 2018, no rotational lightcurve of Astrometria has been obtained from photometric observations. The body's rotation period, pole and shape remain unknown. [1] [6]

    Diameter and albedo

    According to the surveys carried out by the Infrared Astronomical Satellite IRAS and the NEOWISE mission of NASA's Wide-field Infrared Survey Explorer, Astrometria measures 17.483 and 22.77 kilometers in diameter and its surface has a low albedo of 0.053 and 0.0311, respectively. [4] [5]

    Naming

    This minor planet was named after the astronomical branch astrometry, that precisely measures the positions and movements of astronomical objects including small Solar System bodies. [2] The official naming citation was published by the Minor Planet Center on 4 August 2001 ( M.P.C. 43195). [7]

    Related Research Articles

    <span class="mw-page-title-main">1743 Schmidt</span> Asteroid

    1743 Schmidt, provisional designation 4109 P-L, is a dark background asteroid from the inner regions of the asteroid belt, approximately 19 kilometers in diameter. It was discovered during the Palomar–Leiden survey on 24 September 1960, by astronomers Ingrid and Cornelis van Houten at Leiden, on photographic plates taken by Tom Gehrels at Palomar Observatory in California. The C-type asteroid has a rotation period of 17.5 hours. It was named for the optician Bernhard Schmidt.

    2542 Calpurnia, provisionally designated 1980 CF, is a carbonaceous high-albedo asteroid from the outer regions of the asteroid belt, approximately 20 kilometers in diameter. It was discovered on 11 February 1980, by American astronomer Edward Bowell at Anderson Mesa Station, Flagstaff, United States. The asteroid was named after Julius Caesar's wife, Calpurnia.

    2531 Cambridge, provisional designation 1980 LD, is a stony Eoan asteroid from the outer regions of the asteroid belt, approximately 20 kilometers in diameter. It was discovered on 11 June 1980, by American astronomer Edward Bowell at Lowell's Anderson Mesa Station in Arizona, United States. The asteroid was named for the "centers of learning in England and in Massachusetts".

    <span class="mw-page-title-main">1390 Abastumani</span>

    1390 Abastumani is a very large and dark background asteroid from the outer region of the asteroid belt. It was discovered on 3 October 1935, by Russian astronomer Pelageya Shajn at the Simeiz Observatory on the Crimean peninsula. The primitive P-type asteroid has a rotation period of 17.1 hours and measures approximately 101 kilometers in diameter. It was named for the Georgian town of Abastumani.

    5185 Alerossi, provisional designation 1990 RV2, is a background asteroid from the central region of the asteroid belt, approximately 13 miles (21 kilometers) in diameter. It was discovered on 15 September 1990, by American astronomer Henry Holt at Palomar Observatory in California, United States. The asteroid was later named for Italian geodesist Alessandro Rossi.

    3037 Alku, provisional designation 1944 BA, is a carbonaceous asteroid from the central region of the asteroid belt, approximately 20 kilometers in diameter. It was discovered on 17 January 1944, by Finnish astronomer Yrjö Väisälä at Turku Observatory in Southwest Finland.

    24626 Astrowizard (provisional designation 1980 TS3) is a dark background asteroid from the central regions of the asteroid belt, approximately 7 kilometers in diameter. It was discovered on 9 October 1980, by American astronomer couple Carolyn and Eugene Shoemaker at the Palomar Observatory in California, United States. The asteroid was named for American science educator David Rodrigues, who would perform at public events as "The Astro Wizard".

    <span class="mw-page-title-main">1805 Dirikis</span>

    1805 Dirikis, provisional designation 1970 GD, is a stony Themistian asteroid from the outer region of the asteroid belt, approximately 26 kilometers in diameter.

    3687 Dzus, provisional designation A908 TC, is a carbonaceous asteroid from the central region of the asteroid belt, approximately 31 kilometers in diameter. It was discovered by German astronomer August Kopff at Heidelberg-Königstuhl State Observatory on 7 October 1908.

    2054 Gawain, provisional designation 4097 P-L, is a dark and elongated asteroid from the outer regions of the asteroid belt, approximately 19 kilometers in diameter. Discovered during the Palomar–Leiden survey at Palomar Observatory in 1960, the asteroid was later named after Gawain, a knight of King Arthur's Round Table in the Arthurian legend.

    3754 Kathleen, provisional designation 1931 FM, is a large background asteroid from the outer regions of the asteroid belt, approximately 55 kilometers in diameter. It was discovered at the Lowell Observatory near Flagstaff, Arizona, on 16 March 1931, by American astronomer Clyde Tombaugh, who named it after his granddaughter Kathleen Clifford. The assumed C-type asteroid has a rotation period of 11.18 hours. It is the second-highest numbered main-belt asteroid larger than 50 kilometers.

    2696 Magion, provisional designation 1980 HB, is a dark background asteroid and a slow rotator from the inner regions of the asteroid belt, approximately 21 kilometers in diameter. It was discovered on 16 April 1980, by Slovak astronomer Ladislav Brožek at the Kleť Observatory in former Czechoslovakia. The X-type asteroid has an ambiguous rotation period of 480 hours and is possibly a tumbler. It was named for the first Czechoslovak satellite, Magion 1, launched in 1978.

    <span class="mw-page-title-main">4547 Massachusetts</span> Dark background asteroid from the central regions of the asteroid belt

    4547 Massachusetts is a dark background asteroid from the central regions of the asteroid belt, approximately 24 kilometers in diameter. It was discovered on 16 May 1990, by Japanese astronomers Kin Endate and Kazuro Watanabe at the JCPM Sapporo Station on the island of Hokkaido, Japan. The asteroid was named for the U.S. state of Massachusetts.

    3406 Omsk, provisional designation 1969 DA, is a background asteroid from the central regions of the asteroid belt, approximately 15 kilometers in diameter. It was discovered on 21 February 1969, by Soviet astronomer Bella Burnasheva at the Crimean Astrophysical Observatory on the Crimean peninsula in Nauchnij. The possibly metallic M/X-type asteroid has a rotation period of 7.3 hours. It was named for the Russian city of Omsk.

    1426 Riviera, provisional designation 1937 GF, is a bright asteroid from the central regions of the asteroid belt, approximately 16 kilometers in diameter. Discovered by Marguerite Laugier at the Nice Observatory in 1937, the asteroid was later named for the Côte d'Azur, also known as French Riviera.

    1405 Sibelius, provisional designation 1936 RE, is a stony Florian asteroid from the inner regions of the asteroid belt, approximately 8 kilometers in diameter. It was discovered on 12 September 1936, by Finnish astronomer Yrjö Väisälä at Turku Observatory in Southwest Finland. The asteroid was named after composer Jean Sibelius.

    <span class="mw-page-title-main">2120 Tyumenia</span> Dark background asteroid

    2120 Tyumenia is a dark background asteroid, approximately 45 kilometers in diameter, located in the outer regions of the asteroid belt. It was discovered on 9 September 1967, by Soviet astronomer Tamara Smirnova at the Crimean Astrophysical Observatory in Nauchnyj, on the Crimean peninsula. The asteroid was named for the now Russian district of Tyumen Oblast in Western Siberia.

    2513 Baetslé, provisional designation 1950 SH, is a stony Flora asteroid from the inner regions of the asteroid belt, approximately 16 kilometers in diameter.

    2058 Róka, provisional designation 1938 BH, is a Themistian asteroid from the outer regions of the asteroid belt, approximately 22 kilometers in diameter.

    1544 Vinterhansenia, provisional designation 1941 UK, is a dark asteroid from the inner regions of the asteroid belt, approximately 22 kilometers in diameter. It was discovered on 15 October 1941, by Finnish astronomer Liisi Oterma at Turku Observatory in Southwest Finland, and named for Danish astronomer Julie Vinter Hansen.

    References

    1. 1 2 3 4 5 "JPL Small-Body Database Browser: 25000 Astrometria (1998 OW5)" (2017-11-26 last obs.). Jet Propulsion Laboratory . Retrieved 31 January 2018.
    2. 1 2 3 4 "25000 Astrometria (1998 OW5)". Minor Planet Center. Retrieved 31 January 2018.
    3. 1 2 "Asteroid 25000 Astrometria – Proper Elements". AstDyS-2, Asteroids – Dynamic Site. Retrieved 29 October 2019.
    4. 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 31 January 2018.
    5. 1 2 3 4 Tedesco, E. F.; Noah, P. V.; Noah, M.; Price, S. D. (October 2004). "IRAS Minor Planet Survey V6.0". NASA Planetary Data System. 12: IRAS-A-FPA-3-RDR-IMPS-V6.0. Bibcode:2004PDSS...12.....T . Retrieved 22 October 2019.
    6. "LCDB Data for (25000) Astrometria". Asteroid Lightcurve Database (LCDB). Retrieved 31 January 2018.
    7. "MPC/MPO/MPS Archive". Minor Planet Center. Retrieved 31 January 2018.