| International Asteroid Warning Network Timing Campaign: 2019 XS | |
| Farnocchia, Davide1; REF!Lane, David2 | |
| 2022-07-01 | |
| Source Publication | The Planetary Science Journal
 |
| ISSN | 2632-3338 |
| Volume | 3Pages:156 |
| Contribution Rank | 23 |
| Abstract | As part of the International Asteroid Warning Network's observational exercises, we conducted a campaign to observe near-Earth asteroid 2019 XS around its close approach to Earth on 2021 November 9. The goal of the campaign was to characterize errors in the observation times reported to the Minor Planet Center, which become an increasingly important consideration as astrometric accuracy improves and more fast-moving asteroids are observed. As part of the exercise, a total of 957 astrometric observations of 2019 XS during the encounter were reported and subsequently were analyzed to obtain the corresponding residuals. While the timing errors are typically smaller than 1 s, the reported times appear to be negatively biased, i.e., they are generally earlier than they should be. We also compared the observer-provided position uncertainty with the cross-track residuals, which are independent of timing errors. A large fraction of the estimated uncertainties appear to be optimistic, especially when <0.″2. We compiled individual reports for each observer to help identify and remove the root cause of any possible timing error and improve the uncertainty quantification process. We suggest possible sources of timing errors and describe a simple procedure to derive reliable, conservative position uncertainties. |
| Keyword | Asteroids Near-Earth objects Optical telescopes Astrometry 72 1092 1174 80 |
| DOI | 10.3847/PSJ/ac7224 |
| URL | 查看原文 |
| Indexed By | 其他 |
| Language | 英语 |
| WOS ID | IOP:psj_3_7_156 |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.xao.ac.cn/handle/45760611-7/5132 |
| Collection | 其它 |
| Affiliation | 1.Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Drive, Pasadena, CA 91109, USA; Davide.Farnocchia@jpl.nasa.gov; 2.Lunar and Planetary Laboratory, University of Arizona, 1629 E. University Boulevard, Tucson, AZ 85721, USA; 3.University of Maryland, 4296 Stadium Drive, Astronomy Dept., Room 1113, College Park, MD 20742, USA; 4.ESA NEO Coordination Centre, Largo Galileo Galilei, 1, I-00044 Frascati (RM), Italy; 5.Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, MS 51, Cambridge, MA 02138, USA; 6.Planetary Defense Coordination Office, Planetary Science Division, NASA Headquarters, 300 East Street SW, Washington, DC 20546, USA; 7.Dominion Astrophysical Observatory, National Research Council of Canada, 5071 West Saanich Road, Victoria, BC V9E 2E7, Canada; 8.Kuban State University, Stavropolskaya Street, 149, Krasnodar 350040, Russia; 9.Astroclubul Bucureşti, 21 Lascăr Catargiu blvd, Sector 1, 010662 Bucharest, Romania; 10.Astronomical Institute of the Romanian Academy, str Cutitul de Argint—5, 040557, Bucharest, Romania; 11.Institut de mécanique céleste et de calcul des Ephémérides, CNRS8024, Observatoire de Paris, 77 av Denfert Rochereau, F-75014 Paris, France; 12.Division of Physics, Mathematics, and Astronomy, California Institute of Technology, 1200 E. California Boulevard, Pasadena, CA 91125, USA; 13.Infrared Processing and Analysis Center, California Institute of Technology, 1200 E. California Boulevard, Pasadena, CA 91125, USA; 14.Schiaparelli Astronomical Observatory, Campo dei Fiori, Varese, VA I-21100, Italy; 15.Institute for Astronomy, University of Hawaii, 2680 Woodlawn Drive, Honolulu, HI 96822, USA; 16.Skygems Observatory Network, Cisles 51, Santa Cristina Valgardena, BZ I-39047, Italy; 17.Nordic Optical Telescope, Rambla José Ana Fernández Pérez 7, E-38711 Breña Baja, Spain; 18.Department of Physics and Astronomy, Aarhus University, Ny Munkegade 120, DK-8000 Aarhus C, Denmark; 19.Keldysh Institute of Applied Mathematics of Russian Academy of Sciences, Miusskaya sq., 4, Moscow, 125047, Russia; 20.Gruppo Astrofili Montelupo, Via San Vito 60, I-50056 Montelupo Fiorentino (FI), Italy; 21.Squirrel Valley Observatory, 3870 River Road, Columbus, NC 28722, USA; 22.GiaGa Observatory, Via Mozart 4, I-20005 Pogliano Milanese (MI), Italy; 23.Xinjiang Astronomical Observatory, 150 Science One St, Ürümqi, Xinjiang Uyghur Autonomous Region 830011, People’s Republic of China; 24.6ROADS Ltd., Godebskiego 55a Street, 31-999 Cracow, Poland; 25.Department of Physics, P.O. Box 64, FI-00014 University of Helsinki, Finland; 26.Asteroid Engineering Lab, Luleå University of Technology, Box 848, SE-98128 Kiruna, Sweden; 27.Public Observatory Buchloe, Alois-Reiner-Str. 15b, D-86807 Buchloe, Germany; 28.National Astronomical Agency, Zheleznodorozhnaya street 1, Afipsky village, Krasnodar Territory, Russia; 29.Southern Observatory for Near Earth Asteroids Research, Oliveira, Brazil; 30.Tartu Observatory, University of Tartu, Observatooriumi 1, Tõravere, 61602, Estonia; 31.Korea Astronomy and Space Science Institute, 776, Daedeokdae-ro, Yuseong-gu, Daejeon 34055, Republic of Korea; 32.Burke-Gaffney Observatory, Saint Maryʼs University, 923 Robie Street, Halifax, NS B3H 3C3, Canada; 33.Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing, 210023, People’s Republic of China; 34.University of Science and Technology of China, Hefei, 230026, People’s Republic of China; 35.Las Cumbres Observatory, 6740 Cortona Drive, Suite 102, Goleta, CA 93117, USA; 36.Department of Mechanical and Mechatronic Engineering, Stellenbosch University, Cnr Banghoek Road and Joubert Street, Stellenbosch 7600, South Africa; 37.Farm Cove Observatory, 2/24 Rapallo Place, Farm Cove, Auckland 2010, New Zealand; 38.Killer Rocks Observatory, HC 65 Box 2, Pie Town, NM 87827, USA; 39.GAL Hassin—Centro Internazionale per le Scienze Astronomiche, Via della Fontana Mitri, I-90010 Isnello (PA), Italy; 40.Wickede Observatory, Stemmering 5, D-44319 Dortmund, Germany; 41.ESA ESOC Space Safety Service Centre, Robert-Bosch-Straße 5, D-64293, Darmstadt, Germany; 42.Astronomical Institute of the Romanian Academy, 5 Cuţitul de Argint, 040557 Bucharest, Romania; 43.Osservatorio di Castelmartini, via Bartolini 1317, Larciano, Pistoia, I-51036, Italia; 44.Amateur astronomer, Russia; 45.Remote observer of Burke-Gaffney Observatory and Abbey Ridge Observatory, Canada; 46.Institut de Ciències del Cosmos, Universitat de Barcelona, Carrer de Martí i Franquès, 1, E-08028 Barcelona, Spain; 47.Departamento de Física, Ingeniería de Sistemas y Teoría de la Señal, Universidad de Alicante, Carr. de San Vicente del Raspeig, s/n, 03690 San Vicente del Raspeig, Alicante, Spain; 48.Keldysh Institute of Applied Mathematics, Russian Academy of Sciences, Miusskaya sq. 4, Moscow, 125047, Russia; 49.NOAK Observatory, Delfon 2 Stavraki, Ioannina, 45500, Greece; 50.Romanian Space Agency, str Mendeleev 25, 010362, Bucharest, Romania; 51.University of Bucharest, Faculty of Physics, str Atomistilor 405, 077125 Magurele, Romania; 52.Northolt Branch Observatories, Dabbs Hill Lane, Northolt, London, UK; 53.Physics and Astronomy, The University of Western Ontario, 1151 Richmond Street, London, ON N6A 3K7, Canada |
| Recommended Citation GB/T 7714 | Farnocchia, Davide,REF!Lane, David. International Asteroid Warning Network Timing Campaign: 2019 XS[J]. The Planetary Science Journal,2022,3:156. |
| APA | Farnocchia, Davide,&REF!Lane, David.(2022).International Asteroid Warning Network Timing Campaign: 2019 XS.The Planetary Science Journal,3,156. |
| MLA | Farnocchia, Davide,et al."International Asteroid Warning Network Timing Campaign: 2019 XS".The Planetary Science Journal 3(2022):156. |
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| Farnocchia-2022-Inte（1488KB） | 期刊论文 | 出版稿 | 开放获取 | CC BY-NC-SA | View Application Full Text | |
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