Alexandersen, Mike
Astronomer at Smithsonian Astrophysical Observatory
0000-0003-4143-8589
Alexandersen, Mike
Astronomer at Smithsonian Astrophysical Observatory
Research expertise: Observational surveys for the discovery of Solar System minor planets (asteroids, Centaurs, Kuiper Belt Objects); survey simulations for comparison of reality and Solar System models; Moons of the giant planets; Software development and automation (Python, Bash, Awk, Sed)
Minor Planet Center duties: Fitting & publishing orbits for observations of distant minor planets (Centaurs, Kuiper Belt Objects); Fitting & publishing orbits for observations of moons of the giant planets; Software development and automation.
Positions
- Astronomer (staff), Smithsonian Astrophysical Observatory 2023 -
- MPC Fellow, Smithsonian Astrophysical Observatory 2020 - 2023
Research Areas
- Asteroids
- Asteroids--Distribution
- Asteroids--Orbits
- Asteroids--Photographic measurements
- Dwarf planets
- Jupiter (Planet)--Satellites
- Kuiper Belt
- Near-earth asteroids
- Neptune (Planet)--Satellites
- Planets, Ultra-Neptunian
- Satellites
- Saturn (Planet)--Satellites
- Trans-Neptunian objects
- Uranus (Planet)--Satellites
Geographic Focus
- Massachusetts State or Province
Publications
Selected Publications
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Article
- Fraser, Wesley C., Pike, Rosemary E., Marsset, Michaël, Schwamb, Megan E., Bannister, Michele T., Buchanan, Laura, Kavelaars, J. J., Benecchi, Susan D., Tan, Nicole J., Peixinho, Nuno, Gwyn, Stephen D. J., Alexandersen, Mike, Chen, Ying-Tung, Gladman, Brett, and Volk, Kathryn. 2023. "Col-OSSOS: The Two Types of Kuiper Belt Surfaces." The Planetary Science Journal, 4 80. https://doi.org/10.3847/PSJ/acc844. 2023
- Ashton, Edward, Chang, Chan-Kao, Chen, Ying-Tung, Lehner, Matthew J., Wang, Shiang-Yu, Alexandersen, Mike, Choi, Young-Jun, Fraser, Wesley C., Granados Contreras, A. Paula, Ito, Takashi, Jeongahn, Youngmin, Ji, Jianghui, Kavelaars, JJ, Kim, Myung-Jin, Lawler, Samantha M., Li, Jian, Lin, Zhong-Yi, Lykawka, Patryk Sofia, Moon, Hong-Kyu, More, Surhud, Muñoz-Gutiérrez, Marco A., Ohtsuki, Keiji, Pike, Rosemary E., Terai, Tsuyoshi, Urakawa, Seitaro et al. 2023. "FOSSIL. III. Lightcurves of 371 Trans-Neptunian Objects." The Astrophysical Journal Supplement Series, 267 33. https://doi.org/10.3847/1538-4365/acda1e. 2023
- Petit, Jean-Marc, Gladman, Brett, Kavelaars, J. J., Bannister, Michele T., Alexandersen, Mike, Volk, Kathryn, and Chen, Ying-Tung. 2023. "The Hot Main Kuiper Belt Size Distribution from OSSOS." The Astrophysical Journal, 947. https://doi.org/10.3847/2041-8213/acc525. 2023
- Buchanan, Laura E., Schwamb, Megan E., Fraser, Wesley C., Bannister, Michele T., Marsset, Michaël, Pike, Rosemary E., Nesvorný, David, Kavelaars, J. J., Benecchi, Susan D., Lehner, Matthew J., Wang, Shiang-Yu, Peixinho, Nuno, Volk, Kathryn, Alexandersen, Mike, Chen, Ying-Tung, Gladman, Brett, Gwyn, Stephen, and Petit, Jean-Marc. 2022. "Col-OSSOS: Probing Ice Line/Color Transitions within the Kuiper Belt's Progenitor Populations." The Planetary Science Journal, 3 9. https://doi.org/10.3847/PSJ/ac42c9. 2022
- Ashton, Edward, Gladman, Brett, Beaudoin, Matthew, Alexandersen, Mike, and Petit, Jean-Marc. 2022. "Discovery of the Closest Saturnian Irregular Moon, S/2019 S 1, and Implications for the Direct/Retrograde Satellite Ratio." The Planetary Science Journal, 3 107. https://doi.org/10.3847/PSJ/ac64a2. 2022
- Chang, Chan-Kao, Chen, Ying-Tung, Fraser, Wesley C., Lehner, Matthew J., Wang, Shiang-Yu, Alexandersen, Mike, Choi, Young-Jun, Granados Contreras, A. Paula, Ito, Takashi, Jeongahn, Youngmin, Ji, Jianghui, Kavelaars, J. J., Kim, Myung-Jin, Lawler, Samantha M., Li, Jian, Lin, Zhong-Yi, Lykawka, Patryk Sofia, Moon, Hong-Kyu, More, Surhud, Muñoz-Gutiérrez, Marco, Ohtsuki, Keiji, Pike, Rosemary E., Terai, Tsuyoshi, Urakawa, Seitaro, Yoshida, Fumi et al. 2022. "FOSSIL. II. The Rotation Periods of Small-sized Hilda Asteroids." The Astrophysical Journal Supplement Series, 259 7. https://doi.org/10.3847/1538-4365/ac50ac. 2022
- Crompvoets, B. L., Lawler, S. M., Volk, K., Chen, Y. -T, Gladman, B., Peltier, L., Alexandersen, Mike, Bannister, M. T., Gwyn, S., Kavelaars, J. J., and Petit, J. -M. 2022. "OSSOS XXV: Large Populations and Scattering-Sticking in the Distant Trans-Neptunian Resonances." The Planetary Science Journal, 3 113. https://doi.org/10.3847/PSJ/ac67e0. 2022
- Abedin, Abedin Y., Kavelaars, J. J., Petit, Jean-Marc, Gladman, Brett, Bannister, Michele, Alexandersen, Mike, Chen, Ying-Tung, Gwyn, Stephen, and Volk, Kathryn. 2022. "OSSOS. XXVI. On the Lack of Catastrophic Collisions in the Present Kuiper Belt." The Astronomical Journal, 164 261. https://doi.org/10.3847/1538-3881/ac9cdb. 2022
- Pike, Rosemary E., Kanwar, Jayatee, Alexandersen, Mike, Chen, Ying-Tung, and Schwamb, Megan E. 2021. "Characterizing the Discovery of a New Trans-Neptunian Object Binary in a Trailed Point-spread Function Search." The Planetary Science Journal, 2 159. https://doi.org/10.3847/PSJ/ac0e29. 2021
- Fraser, Wesley C., Benecchi, Susan D., Kavelaars, J. J., Marsset, Michaël, Pike, Rosemary E., Bannister, Michele T., Schwamb, Megan E., Volk, Kathryn, Nesvorny, David, Alexandersen, Mike, Chen, Ying-Tung, Gwyn, Stephen, Lehner, Matthew J., and Wang, Shiang-Yu. 2021. "Col-OSSOS: The Distinct Color Distribution of Single and Binary Cold Classical KBOs." The Planetary Science Journal, 2 90. https://doi.org/10.3847/PSJ/abf04a. 2021
- Chang, Chan-Kao, Chen, Ying-Tung, Fraser, Wesley C., Yoshida, Fumi, Lehner, Matthew J., Wang, Shiang-Yu, Kavelaars, JJ, Pike, Rosemary E., Alexandersen, Mike, Ito, Takashi, Choi, Young-Jun, Granados Contreras, A. Paula, Jeongahn, Youngmin, Ji, Jianghui, Kim, Myung-Jin, Lawler, Samantha M., Li, Jian, Lin, Zhong-Yi, Sofia Lykawka, Patryk, Moon, Hong-Kyu, More, Surhud, Muñoz-Gutiérrez, Marco A., Ohtsuki, Keiji, Terai, Tsuyoshi, Urakawa, Seitaro et al. 2021. "FOSSIL. I. The Spin Rate Limit of Jupiter Trojans." The Planetary Science Journal, 2 191. https://doi.org/10.3847/PSJ/ac13a4. 2021
- Kavelaars, J. J., Petit, Jean-Marc, Gladman, Brett, Bannister, Michele T., Alexandersen, Mike, Chen, Ying-Tung, Gwyn, Stephen D. J., and Volk, Kathryn. 2021. "OSSOS Finds an Exponential Cutoff in the Size Distribution of the Cold Classical Kuiper Belt." The Astrophysical Journal, 920 L28. https://doi.org/10.3847/2041-8213/ac2c72. 2021
- Abedin, Abedin Y., Kavelaars, J. J., Greenstreet, Sarah, Petit, Jean-Marc, Gladman, Brett, Lawler, Samantha, Bannister, Michele, Alexandersen, Mike, Chen, Ying-Tung, Gwyn, Stephen, and Volk, Kathryn. 2021. "OSSOS. XXI. Collision Probabilities in the Edgeworth-Kuiper Belt." The Astronomical Journal, 161 195. https://doi.org/10.3847/1538-3881/abe418. 2021
- Alexandersen, Mike, Greenstreet, Sarah, Gladman, Brett J., Bannister, Michele T., Chen, Ying-Tung, Gwyn, Stephen D. J., Kavelaars, JJ, Petit, Jean-Marc, Volk, Kathryn, Lehner, Matthew J., and Wang, Shiang-Yu. 2021. "OSSOS. XXIII. 2013 VZ70 and the Temporary Coorbitals of the Giant Planets." The Planetary Science Journal, 2 212. https://doi.org/10.3847/PSJ/ac1c6b. 2021
- Lin, Hsing Wen, Chen, Ying-Tung, Volk, Kathryn, Gladman, Brett, Murray-Clay, Ruth, Alexandersen, Mike, Bannister, Michele T., Lawler, Samantha M., Ip, Wing-Huen, Lykawka, Patryk Sofia, Kavelaars, J. J., Gwyn, Stephen D. J., and Petit, Jean-Marc. 2021. "OSSOS: The eccentricity and inclination distributions of the stable Neptunian Trojans." Icarus, 361 114391. https://doi.org/10.1016/j.icarus.2021.114391. 2021
- Marsset, Michaël, Fraser, Wesley C., Bannister, Michele T., Schwamb, Megan E., Pike, Rosemary E., Benecchi, Susan, Kavelaars, J. J., Alexandersen, Mike, Chen, Ying-Tung, Gladman, Brett J., Gwyn, Stephen D. J., Petit, Jean-Marc, and Volk, Kathryn. 2020. "Col-OSSOS: Compositional Homogeneity of Three Kuiper Belt Binaries." The Planetary Science Journal, 1 16. https://doi.org/10.3847/PSJ/ab8cc0. 2020
- Marsset, Michaël, Fraser, Wesley C., Pike, Rosemary E., Bannister, Michele T., Schwamb, Megan E., Volk, Kathryn, Kavelaars, J. J., Alexandersen, Mike, Chen, Ying-Tung, Gladman, Brett J., Gwyn, Stephen D. J., Lehner, Matthew J., Peixinho, Nuno, Petit, Jean-Marc, and Wang, Shiang-Yu. 2019. "Col-OSSOS: Color and Inclination Are Correlated throughout the Kuiper Belt." The Astronomical Journal, 157, (3) 94–111. https://doi.org/10.3847/1538-3881/aaf72e. 2019
- Castro-Chacón, J. H., Reyes-Ruiz, M., Lehner, Matthew J., Zhang, Z. -W, Alcock, Charles A., Guerrero, C. A., Hernández-Valencia, B., Hernández-Águila, J. B., Nuñez, J. M., Salinas-Luna, J., Silva, J. S., Alexandersen, Mike, Alvarez-Santana, F. I., Chen, W. -P, Chu, Y. -H, Cook, K. H., García-Díaz, Ma T., Geary, John C., Huang, C. -K, Kavelaars, JJ, Norton, T., Szentgyorgyi, Andrew H., Carvajal, J. C., Sánchez, E., Yen, W. -L et al. 2019. "Occultations by Small Non-spherical Trans-Neptunian Objects. I. A New Event Simulator for TAOS II." Publications of the Astronomical Society of the Pacific, 131 064401. https://doi.org/10.1088/1538-3873/ab152e. 2019
- Bannister, Michele T., Alexandersen, Mike, Benecchi, Susan D., Chen, Ying-Tung, Delsanti, Audrey, Fraser, Wesley C., Gladman, Brett J., Granvik, Mikael, Grundy, Will M., Guilbert-Lepoutre, Aurélie, Gwyn, Stephen D. J., Ip, Wing-Huen, Jakubik, Marian, Jones, R. Lynne, Kaib, Nathan, Kavelaars, J. J., Lacerda, Pedro, Lawler, Samantha, Lehner, Matthew J., Lin, Hsing Wen, Lykawka, Patryk Sofia, Marsset, Michael, Murray-Clay, Ruth, Noll, Keith S., Parker, Alex et al. 2016. "OSSOS. IV. Discovery of a Dwarf Planet Candidate in the 9:2 Resonance with Neptune." The Astronomical Journal, 152 212. https://doi.org/10.3847/0004-6256/152/6/212. 2016
- Bannister, Michele T., Kavelaars, J. J., Petit, Jean-Marc, Gladman, Brett J., Gwyn, Stephen D. J., Chen, Ying-Tung, Volk, Kathryn, Alexandersen, Mike, Benecchi, Susan D., Delsanti, Audrey, Fraser, Wesley C., Granvik, Mikael, Grundy, Will M., Guilbert-Lepoutre, Aurélie, Hestroffer, Daniel, Ip, Wing-Huen, Jakubik, Marian, Jones, R. Lynne, Kaib, Nathan, Kavelaars, Catherine F., Lacerda, Pedro, Lawler, Samantha, Lehner, Matthew J., Lin, Hsing Wen, Lister, Tim et al. 2016. "The Outer Solar System Origins Survey. I. Design and First-quarter Discoveries." The Astronomical Journal, 152 70. https://doi.org/10.3847/0004-6256/152/3/70. 2016
Contact
Location
- Smithsonian Astrophysical Observatory Academic Department
