7529 Vagnozzi

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7529 Vagnozzi
Discovery  [1]
Discovered by Colleverde Obs.
Discovery site Colleverde Obs.
Discovery date16 January 1994
Designations
(7529) Vagnozzi
Named after
 Antonio Vagnozzi
(Italian astronomer) [2]
1994 BC ·1969 TK5
1988 PP3 ·1997 CE7
main-belt  ·(inner)  [3]
Orbital characteristics   [1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc 47.44 yr (17,328 days)
Aphelion 2.7449 AU
Perihelion 2.1696 AU
2.4573 AU
Eccentricity 0.1171
3.85 yr (1,407 days)
185.61°
0° 15m 21.24s / day
Inclination 3.7669°
201.22°
138.85°
Physical characteristics
Dimensions4.916±0.120 km [4] [5]
5.66 km (calculated) [3]
36 h [6]
0.20 (assumed) [3]
0.291±0.100 [4] [5]
S   [3]
13.5 [4]  ·13.59±1.29 [7]  ·13.6 [1] [3]

    7529 Vagnozzi, provisional designation 1994 BC, is a stony asteroid from the inner regions of the asteroid belt, approximately 5 kilometers in diameter. It was discovered on 16 January 1994, by and at the Colleverde Observatory near Rome, Italy. [8] The asteroid was named for was named for Italian amateur astronomer Antonio Vagnozzi. [2]

    Contents

    Orbit and classification

    Vagnozzi orbits the Sun in the inner main-belt at a distance of 2.2–2.7  AU once every 3 years and 10 months (1,407 days). Its orbit has an eccentricity of 0.12 and an inclination of 4° with respect to the ecliptic. [1] It was first identified as 1969 TK5 at Crimea–Nauchnij in 1969. The first used observation was taken at the Australian Siding Spring Observatory in 1988, extending the asteroid's observation arc by 6 years prior to its official discovery. [8]

    Physical characteristics

    Rotation period

    In August 2011, a tentative rotational lightcurve for Vagnozzi was obtained from photometric observations by French amateur astronomer René Roy. It gave a slower than average rotation period of 36 hours (1.5 days) with a high brightness variation of 0.740±0.029 in magnitude, indicating a non-spheroidal shape ( U=n/a ). [6]

    Diameter and albedo

    According to the survey carried out by the NEOWISE mission of NASA's Wide-field Infrared Survey Explorer, Vagnozzi measures 4.9 kilometers in diameter and its surface has an albedo of 0.29, [4] while the Collaborative Asteroid Lightcurve Link assumes a standard albedo for stony asteroids of 0.20 and calculates a diameter of 5.7 kilometers with an absolute magnitude of 13.6. [3]

    Naming

    This minor planet was named in honor of Antonio Vagnozzi (born 1950), an Italian amateur astronomer, discoverer of minor planets, and pioneer in using CCD cameras at the Santa Lucia Stroncone Astronomical Observatory in Italy. He is also an observer and discoverer of supernovae. [2] [9] The official naming citation was published by the Minor Planet Center on 11 April 1998 ( M.P.C. 31611). [10]

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    References

    1. 1 2 3 4 "JPL Small-Body Database Browser: 7529 Vagnozzi (1994 BC)" (2017-03-25 last obs.). Jet Propulsion Laboratory . Retrieved 22 June 2017.
    2. 1 2 3 Schmadel, Lutz D. (2007). "(7529) Vagnozzi". Dictionary of Minor Planet Names – (7529) Vagnozzi. Springer Berlin Heidelberg. pp. 601–602. doi:10.1007/978-3-540-29925-7_6537. ISBN   978-3-540-00238-3.
    3. 1 2 3 4 5 6 "LCDB Data for (7529) Vagnozzi". Asteroid Lightcurve Database (LCDB). Retrieved 28 November 2016.
    4. 1 2 3 4 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. S2CID   118700974.
    5. 1 2 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. S2CID   118745497 . Retrieved 4 December 2016.
    6. 1 2 Behrend, Raoul. "Asteroids and comets rotation curves – (7529) Vagnozzi". Geneva Observatory . Retrieved 28 November 2016.
    7. ↑ 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. S2CID   53493339 . Retrieved 28 November 2016.
    8. 1 2 "7529 Vagnozzi (1994 BC)". Minor Planet Center. Retrieved 28 November 2016.
    9. ↑ Marsden, B. G. (1994). "Asteroid and comet surveys". Astronomy from wide-field imaging: proceedings of the 161st Symposium of the International Astronomical Union. International Astronomical Union. p. 398. ISBN   978-0-7923-2879-7.
    10. ↑ "MPC/MPO/MPS Archive". Minor Planet Center. Retrieved 28 November 2016.
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