2648 Owa, provisional designation 1980 VJ, is a background asteroid from the Flora region of the inner asteroid belt, approximately 6 kilometers (4 miles) in diameter. It was discovered on 8 November 1980, by American astronomer Edward Bowell at the Anderson Mesa Station near Flagstaff, Arizona, in the United States. The presumably  S-type asteroid has a rotation period of 3.56 hours. It was named for the word "rock" in the Native American  Hopi language.
Orbit and classification Owa is a non- family asteroid of the main belt's background population when applying the hierarchical clustering method to its proper orbital elements.  Based on osculating Keplerian  orbital elements, the asteroid has also been classified as a member of the Flora family ( ), a giant 402 asteroid family and the largest family of stony asteroids in the main-belt.
It orbits the Sun in the
inner main-belt at a distance of 1.9–2.6 AU once every 3 years and 5 months (1,233 days; semi-major axis of 2.25 AU). Its orbit has an eccentricity of 0.17 and an inclination of 5 ° with respect to the ecliptic. The asteroid was first observed as  1926 VD at Heidelberg Observatory in November 1926. The body's observation arc begins at Turku Observatory in October 1953, more than 27 years prior to its official discovery observation at Anderson Mesa.
Owa is an assumed, stony S-type asteroid.
In 2007, four rotational
lightcurves of Owa were obtained from photometric observations by James Brinsfield at Via Capote Observatory ( ), G69 by astronomers at the  National Undergraduate Research Observatory (NURO), as well as by  Petr Pravec and Pierre Antonini ( ). U=3-/3-/3/3  In 2012, another lightcurve was obtained by [b] David Higgins ( ). U=3 The consolidated result gave a [a] rotation period of 3.5641 hours with a brightness amplitude between 0.20 and 0.35 magnitude ( ). U=3 
Diameter and albedo
According to the survey carried out by the
NEOWISE mission of NASA's Wide-field Infrared Survey Explorer, Owa measures between 5.40 and 5.933 kilometers in diameter and its surface has an albedo between 0.38 and 0.459.   
Collaborative Asteroid Lightcurve Link assumes an albedo of 0.24 – derived from 8 Flora, the parent body of the Flora family – and calculates a diameter of 6.81 kilometers based on an absolute magnitude of 13.0.
minor planet was named after the Hopi word for "rock". The Hopi are a Native American tribe, who primarily live on the Hopi Reservation in northern Arizona. The asteroid's name was suggested by German-American linguist Ekkehart Malotki. The official naming citation was published by the  Minor Planet Center on 1 December 1982 ( ). M.P.C. 7473
^ a b Higgins (2012) web: rotation period
hours with a brightness amplitude of 3.563 ±0.002 mag. Quality code of 3. Summary figures at the 0.35 ±0.02 LCDB
^ a b Pravec (Oct 2007) web: rotation period
hours with a brightness amplitude of 3.5641 ±0.0001 mag. Quality Code is 3. Summary figures at the 0.23 ±0.02 LCDB and Pravec, P.; Wolf, M.; Sarounova, L. (2007)
^ a b Lightcurve
plot-A and plot-B of (2648) Owa from Ondrejov data obtained by the NEO Photometric Program and collaborating projects.
^ a b c d
"2648 Owa (1980 VJ)". Minor Planet Center . Retrieved . 6 April 2018
^ a b c
Schmadel, Lutz D. (2007). "(2648) Owa". Dictionary of Minor Planet Names – (2648) Owa. Springer Berlin Heidelberg. pp. 216–217. doi: 10.1007/978-3-540-29925-7_2649. ISBN . 978-3-540-00238-3
^ a b c d
"JPL Small-Body Database Browser: 2648 Owa (1980 VJ)" (2018-02-25 last obs.). Jet Propulsion Laboratory . Retrieved . 6 April 2018
^ a b c d e f g h i j
"LCDB Data for (2648) Owa". Asteroid Lightcurve Database (LCDB) . Retrieved . 6 April 2018
^ a b
"Asteroid 2648 Owa – Asteroid Dynamical Families V4.1". Small Bodies Data Ferret . Retrieved . 29 October 2019
^ a b
"Asteroid 2648 Owa – Proper Elements". AstDyS-2, Asteroids – Dynamic Site . Retrieved . 29 October 2019
^ a b c d
Masiero, Joseph R.; Mainzer, A. K.; Grav, T.; Bauer, J. M.; Cutri, R. M.; Nugent, C.; et al. (November 2012). "Preliminary Analysis of WISE/NEOWISE 3-Band Cryogenic and Post-cryogenic Observations of Main Belt Asteroids". The Astrophysical Journal Letters. 759 (1): 5. arXiv: . 1209.5794 Bibcode: 2012ApJ...759L...8M. doi: 10.1088/2041-8205/759/1/L8.
^ a b c d
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.
^ a b
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 . 6 April 2018
^ a b c d
Mainzer, A.; Grav, T.; Masiero, J.; Hand, E.; Bauer, J.; Tholen, D.; et al. (November 2011). "NEOWISE Studies of Spectrophotometrically Classified Asteroids: Preliminary Results". The Astrophysical Journal. 741 (2): 25. arXiv: . 1109.6407 Bibcode: 2011ApJ...741...90M. doi: 10.1088/0004-637X/741/2/90.
^ a b
Brinsfield, James W. (June 2008). "The Rotation Periods of 531 Zerlina, 1194 Aleta 1352 Wawel, 2005 Hencke, 2648 Owa, and 3509 Sanshui". The Minor Planet Bulletin. 35 (2): 86–87. Bibcode: 2008MPBu...35...86B. ISSN 1052-8091 . Retrieved . 6 April 2018
^ a b
Johnson, Thomas; Pech, Katherin; van Schilfgaarde, Ryan; Chase, Matt; Burns, M. Shane (October 2008). "Lightcurve Analysis of 102 Miriam, 1433 Geramtina, and 2648 Owa". The Minor Planet Bulletin. 35 (4): 151–152. Bibcode: 2008MPBu...35..151J. ISSN 1052-8091 . Retrieved . 6 April 2018
^ a b
Behrend, Raoul. "Asteroids and comets rotation curves – (2648) Owa". Geneva Observatory . Retrieved . 6 April 2018
Veres, Peter; Jedicke, Robert; Fitzsimmons, Alan; Denneau, Larry; Granvik, Mikael; Bolin, Bryce; et al. (November 2015). "Absolute magnitudes and slope parameters for 250,000 asteroids observed by Pan-STARRS PS1 - Preliminary results". Icarus. 261: 34–47. arXiv: . 1506.00762 Bibcode: 2015Icar..261...34V. doi: 10.1016/j.icarus.2015.08.007.
"MPC/MPO/MPS Archive". Minor Planet Center . Retrieved . 6 April 2018