5653 Camarillo

5653 Camarillo
Discovery [1]
Discovered by E. F. Helin
K. Lawrence
Discovery site Palomar Obs.
Discovery date 21 November 1992
Designations
MPC designation 5653 Camarillo
Named after
 Camarillo Obs. (670)[2]
1992 WD5
Amor · NEO [3]
Orbital characteristics [1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc 40.88 yr (14,930 days)
Aphelion 2.3399 AU
Perihelion 1.2486 AU
1.7942 AU
Eccentricity 0.3041
2.40 yr (878 days)
273.70°
0° 24m 36.36s / day
Inclination 6.8744°
9.9784°
122.50°
Earth MOID 0.2822 AU
Physical characteristics
Dimensions 1.526 km[4]
1.53 km (taken)[5]
1.537±0.016 km[6]
1.573±0.287 km[7]
4.834 h[8][lower-alpha 1]
4.834±0.005[9]
4.8346±0.0002 h[10]
4.8350±0.0018 h[11]
0.2052[4]
0.220±0.097[7]
0.271±0.057[6]
S [5][lower-alpha 2] · S/Sr [12]
15.83±0.2 (R)[lower-alpha 1]
15.980±0.007 (R)[11]
16.1[1][6]
16.28±0.3[7]
16.31±0.33[13]
16.42[5]
16.42±0.13[4]

    5653 Camarillo, provisional designation 1992 WD5, is a stony asteroid classified as near-Earth object and Amor asteroid, approximately 1.5 kilometers in diameter. It was discovered by American astronomers Eleanor Helin and Kenneth J. Lawrence at the U.S. Palomar Observatory on 21 November 1992.[3]

    The S-type asteroid is also classified as a Sr-subtype, a transitional group to the R-type asteroids.[12] It orbits the Sun at a distance of 1.2–2.3 AU once every 2 years and 5 months (878 days). Its orbit has a high eccentricity of 0.30 and an inclination of 7° with respect to the plane of the ecliptic.[1] The first precovery was taken at the Australian Siding Spring Observatory in 1974, extending the near-Earth asteroid's observation arc by 18 years prior to its discovery.[3] It has an Earth minimum orbit intersection distance, MOID, of 0.2822 AU (42,200,000 km), or 110 lunar distances.[1]

    Between 1995 and 2015, several photometric light-curve analysis gave it a well-defined rotation period of 4.834 hours with a brightness amplitude in the range of 0.4–0.85 in magnitude.[8][lower-alpha 1][9][10][11] According to the surveys carried out by NASA's space-based Wide-field Infrared Survey Explorer with its subsequent NEOWISE mission, the asteroid has an albedo between 0.21 and 0.25 with a corresponding diameter of 1.53 to 1.57 kilometers.[4][6][7]

    The minor planet was named after the Camarillo Observatory (670), located in the Californian town of Camarillo, which was named after Adolfo Camarillo (1864–1958), a well known regional rancher. The first discoverer is a former town resident.[2] Naming citation was published on 4 August 2001 (M.P.C. 43189).[14]

    References

    1. 1 2 3 Pravec (1999) web: rotation period 4.834 hours with a brightness amplitude of 0.4 mag. Summary figures at Collaborative Asteroid Lightcurve Link (CALL) for (5653) Camarillo
    2. ↑ Dandy (2003) Optical colors of 56 near-Earth objects: trends with size and orbit. Summary figures at Collaborative Asteroid Lightcurve Link (CALL) for (5653) Camarillo
    1. 1 2 3 4 5 "JPL Small-Body Database Browser: 5653 Camarillo (1992 WD5)" (2015-02-07 last obs.). Jet Propulsion Laboratory. Retrieved 5 June 2016.
    2. 1 2 Schmadel, Lutz D. (2007). Dictionary of Minor Planet Names – (5653) Camarillo. Springer Berlin Heidelberg. p. 479. ISBN 978-3-540-00238-3. Retrieved 5 June 2016.
    3. 1 2 3 "5653 Camarillo (1992 WD5)". Minor Planet Center. Retrieved 5 June 2016.
    4. 1 2 3 4 Pravec, Petr; Harris, Alan W.; Kusnirák, Peter; Galád, Adrián; Hornoch, Kamil (September 2012). "Absolute magnitudes of asteroids and a revision of asteroid albedo estimates from WISE thermal observations". Icarus. 221 (1): 365–387. Bibcode:2012Icar..221..365P. doi:10.1016/j.icarus.2012.07.026. Retrieved 1 February 2016.
    5. 1 2 3 "LCDB Data for (5653) Camarillo". Asteroid Lightcurve Database (LCDB). Retrieved 5 June 2016.
    6. 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:1109.6407Freely accessible. Bibcode:2011ApJ...741...90M. doi:10.1088/0004-637X/741/2/90. Retrieved 5 June 2016.
    7. 1 2 3 4 Mainzer, A.; Grav, T.; Masiero, J.; Bauer, J.; Cutri, R. M.; McMillan, R. S.; et al. (November 2012). "Physical Parameters of Asteroids Estimated from the WISE 3-Band Data and NEOWISE Post-Cryogenic Survey". The Astrophysical Journal Letters. 760 (1): 6. arXiv:1210.0502Freely accessible. Bibcode:2012ApJ...760L..12M. doi:10.1088/2041-8205/760/1/L12. Retrieved 1 February 2016.
    8. 1 2 Mottola, S.; de Angelis, G.; di Martino, M.; Erikson, A.; Harris, A. W.; Hahn, G.; et al. (March 1995). "The EUNEASO Photometric Follow-up Program". Abstracts of the Lunar and Planetary Science Conference. Bibcode:1995LPI....26.1003M. Retrieved 1 February 2016.
    9. 1 2 Cooney, Walter R., Jr.; Gross, John; Terrell, Dirk; Reddy, Vishnu; Dyvig, Ron (June 2007). "Lightcurve Results for 486 Cremona, 855 Newcombia 942 Romilda, 3908 Nyx, 5139 Rumoi, 5653 Camarillo, (102866) 1999 WA5". The Minor Planet Bulletin. 34 (2): 47–49. Bibcode:2007MPBu...34...47C. ISSN 1052-8091. Retrieved 1 February 2016.
    10. 1 2 Galad, Adrian; Kornos, Leonard (June 2008). "A Sample of Lightcurves from Modra". The Minor Planet Bulletin. 35 (2): 78–81. Bibcode:2008MPBu...35...78G. ISSN 1052-8091. Retrieved 1 February 2016.
    11. 1 2 3 Waszczak, Adam; Chang, Chan-Kao; Ofek, Eran O.; Laher, Russ; Masci, Frank; Levitan, David; et al. (September 2015). "Asteroid Light Curves from the Palomar Transient Factory Survey: Rotation Periods and Phase Functions from Sparse Photometry". The Astronomical Journal. 150 (3): 35. arXiv:1504.04041Freely accessible. Bibcode:2015AJ....150...75W. doi:10.1088/0004-6256/150/3/75. Retrieved 5 June 2016.
    12. 1 2 Thomas, Cristina A.; Emery, Joshua P.; Trilling, David E.; Delbó, Marco; Hora, Joseph L.; Mueller, Michael (January 2014). "Physical characterization of Warm Spitzer-observed near-Earth objects". Icarus. 228: 217–246. arXiv:1310.2000Freely accessible. Bibcode:2014Icar..228..217T. doi:10.1016/j.icarus.2013.10.004.
    13. ↑ 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:1506.00762Freely accessible. Bibcode:2015Icar..261...34V. doi:10.1016/j.icarus.2015.08.007. Retrieved 5 June 2016.
    14. ↑ "MPC/MPO/MPS Archive". Minor Planet Center. Retrieved 5 June 2016.

    External links

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