Astronomy:3841 Dicicco
Discovery [1] | |
---|---|
Discovered by | B. A. Skiff |
Discovery site | Anderson Mesa Stn. |
Discovery date | 4 November 1983 |
Designations | |
(3841) Dicicco | |
Named after | Dennis di Cicco (American astronomer)[2] |
1983 VG7 · 1973 YM2 1982 KA2 | |
Minor planet category | main-belt · Flora [3] |
Orbital characteristics [1] | |
Epoch 4 September 2017 (JD 2458000.5) | |
Uncertainty parameter 0 | |
Observation arc | 43.27 yr (15,806 days) |
|{{{apsis}}}|helion}} | 2.6394 AU |
|{{{apsis}}}|helion}} | 1.9083 AU |
2.2739 AU | |
Eccentricity | 0.1607 |
Orbital period | 3.43 yr (1,252 days) |
Mean anomaly | 305.68° |
Mean motion | 0° 17m 14.64s / day |
Inclination | 5.2241° |
Longitude of ascending node | 46.079° |
359.76° | |
Known satellites | 1 [4][5] |
Physical characteristics | |
Dimensions | 4.74±1.11 km[6] 5.10 km (derived)[3] 6.252±0.110 km[7][8] 6.45±0.31 km[9] |
Rotation period | 3.5949±0.0002 h[lower-alpha 1] 3.5950±0.0001 h[5] |
Geometric albedo | 0.24 (assumed)[3] 0.294±0.033[9][8] 0.3126±0.0343[7] 0.38±0.24[6] |
SMASS = S [1] · S [10][3] | |
Absolute magnitude (H) | 12.90[9][7] · 13.00[6] · 13.2[1] · 13.26±0.25[10] · 13.63±0.04[3][5] |
3841 Dicicco, provisional designation 1983 VG7, is a stony Florian asteroid and synchronous binary system from the inner regions of the asteroid belt, approximately 5 kilometers in diameter. It was discovered on 4 November 1983, by American astronomer Brian Skiff at Lowell's Anderson Mesa Station near Flagstaff, Arizona, in the United States.[11] It was named after American astronomer Dennis di Cicco.[2] Its minor-planet moon, provisionally designated S/2014 (3841) 1, was discovered in 2014.[5]
Orbit and classification
Dicicco is member of the Flora family, one of the largest groups of stony asteroids in the inner main-belt. It orbits the Sun at a distance of 1.9–2.6 AU once every 3 years and 5 months (1,252 days). Its orbit has an eccentricity of 0.16 and an inclination of 5° with respect to the ecliptic.[1]
It was first identified as 1973 YM2 at Crimea–Nauchnij in 1973, extending the body's observation arc by 10 years prior to its official discovery observation at Anderson Mesa.[11]
Physical characteristics
Dicicco is a stony S-type asteroid in the SMASS classification.[1]
Rotation period
In December 2014, two rotational lightcurves of Dicicco were obtained from photometric observations by an international collaboration of American and European astronomers. Lightcurve analysis gave a rotation period of 3.5949 and 3.5950 hours with a brightness amplitude of 0.18 and 0.19 magnitude, respectively ({{{1}}}).[5][lower-alpha 1]
Diameter and albedo
According to the survey carried out by NASA's Wide-field Infrared Survey Explorer with its subsequent NEOWISE mission, Dicicco measures between 4.74 and 6.45 kilometers in diameter and its surface has an albedo between 0.294 and 0.38.[6][7][8][9] The Collaborative Asteroid Lightcurve Link assumes an albedo of 0.24 — derived from 8 Flora, the family's largest member and namesake – and derives a diameter of 5.10 kilometers using an absolute magnitude of 13.63.[3]
Satellite
During the photometric observations made in December 2014, it was revealed that Dicicco is a synchronous binary asteroid. Its minor-planet moon, designated S/2014 (3841) 1 measures at least 1.67 kilometers in diameter based on a diameter-ratio of larger than 0.28.[4] Its orbit has an estimated semi-major axis of 12 kilometers, and a derived period of 21.63 and 21.641 hours, respectively.[5][lower-alpha 1]
Naming
This minor planet was named after American amateur astronomer and astrophotographer Dennis di Cicco.[2] The approved naming citation was published by the Minor Planet Center on 10 April 1990 (M.P.C. 16246).[12]
Notes
- ↑ 1.0 1.1 1.2 Klinglesmith (2014) web: rotation period 3.5949±0.0002 hours with a brightness amplitude of mag, obs. date: 2014-11-26; Quality Code: n.a.. Summary figures for (3841) Dicicco at Collaborative Asteroid Lightcurve Link (CALL). Referenced publication 2014CBET.4033....1K is not a valid abstract at ADS
References
- ↑ 1.0 1.1 1.2 1.3 1.4 1.5 "JPL Small-Body Database Browser: 3841 Dicicco (1983 VG7)". Jet Propulsion Laboratory. https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2003841.
- ↑ 2.0 2.1 2.2 Schmadel, Lutz D. (2007). "(3841) Dicicco". Dictionary of Minor Planet Names – (3841) Dicicco. Springer Berlin Heidelberg. pp. 325–326. doi:10.1007/978-3-540-29925-7_3833. ISBN 978-3-540-00238-3.
- ↑ 3.0 3.1 3.2 3.3 3.4 3.5 "LCDB Data for (3841) Dicicco". Asteroid Lightcurve Database (LCDB). http://www.minorplanet.info/PHP/generateOneAsteroidInfo.php?AstInfo=3841%7CDicicco.
- ↑ 4.0 4.1 Johnston, Robert (16 November 2014). "(3841) Dicicco". Johnston's Archive. http://www.johnstonsarchive.net/astro/astmoons/am-03841.html.
- ↑ 5.0 5.1 5.2 5.3 5.4 5.5 Klinglesmith, Daniel A. III; Franco, Lorenzo; Marchini, Alessandro; Odden, Carolyn E.; Pravec, Petr; Scardella, Maurizio et al. (October 2015). "3841 Dicicco: A Binary Asteroid". The Minor Planet Bulletin 42 (4): 249–250. ISSN 1052-8091. Bibcode: 2015MPBu...42..249K. http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2015MPBu...42..249K. Retrieved 16 June 2017.
- ↑ 6.0 6.1 6.2 6.3 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. doi:10.1088/0004-637X/814/2/117. Bibcode: 2015ApJ...814..117N. http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2015ApJ...814..117N. Retrieved 16 June 2017.
- ↑ 7.0 7.1 7.2 7.3 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. doi:10.1088/0004-637X/741/2/90. Bibcode: 2011ApJ...741...90M.
- ↑ 8.0 8.1 8.2 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. doi:10.1088/0004-637X/741/2/68. Bibcode: 2011ApJ...741...68M. http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2011ApJ...741...68M. Retrieved 16 June 2017.
- ↑ 9.0 9.1 9.2 9.3 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. doi:10.1088/2041-8205/759/1/L8. Bibcode: 2012ApJ...759L...8M. http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2012ApJ...759L...8M. Retrieved 16 June 2017.
- ↑ 10.0 10.1 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. doi:10.1016/j.icarus.2015.08.007. Bibcode: 2015Icar..261...34V. http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2015Icar..261...34V. Retrieved 16 June 2017.
- ↑ 11.0 11.1 "3841 Dicicco (1983 VG7)". Minor Planet Center. https://www.minorplanetcenter.net/db_search/show_object?object_id=3841.
- ↑ "MPC/MPO/MPS Archive". Minor Planet Center. https://www.minorplanetcenter.net/iau/ECS/MPCArchive/MPCArchive_TBL.html.
External links
- Asteroids with Satellites, Robert Johnston, johnstonsarchive.net
- Asteroid Lightcurve Database (LCDB), query form (info )
- Dictionary of Minor Planet Names, Google books
- Asteroids and comets rotation curves, CdR – Observatoire de Genève, Raoul Behrend
- Discovery Circumstances: Numbered Minor Planets (1)-(5000) – Minor Planet Center
- 3841 Dicicco at AstDyS-2, Asteroids—Dynamic Site
- 3841 Dicicco at the JPL Small-Body Database
![]() | Original source: https://en.wikipedia.org/wiki/3841 Dicicco.
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