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Asteroids with Satellites Database--Johnston's Archive
(4786) Tatianina
compiled by Wm. Robert Johnston
last updated21 September 2014--Orbital and physical data--
(Seethis page for definitions of quantities; source codes in brackets, seethis link for full references; *A, *D, and *E indicate assumed, derived, and estimated values, respectively.)
dynamical type, primary:main belt asteroid
orbital data, primary (osculating elements)[JPL]: | semimajor axisa: | 2.358201605 AU | | orbital periodP: | 3.621425858 yr
(= 1322.725795 d) | | eccentricitye: | 0.193657533 | | perihelion distanceq: | 1.90151810 AU | | aphelion distanceQ: | 2.814885110 AU | | inclinationi: | 7.2571511° | | argument of perihelionω: | 118.450716° | | ascending nodeΩ: | 115.799641° | | mean anomalyM: | 62.568403° | | perihelion passageTP: | 2013 Oct 05.10877 | | Epoch: | 2014 May 23 | | data arc: | 1970-2013(1101 obs.) | | Earth MOID: | 0.902658 AU | | Jupiter Tisserand invariantTJ: | 3.517 |
orbital data, secondary: | binary dynamical type: | A [P07f] | | semimajor axisas: | 6.6 km[*E] | | separation/primary radiusas/rp: | 4.1 [*E] | | separation/Hill radiusas/rH: | 0.014 [*E] | | orbital periodPs: | 0.9029± 0.0004d [P06d] | | eccentricityes: | ? | | normalized ang. mom.αL: | 0.94[P07f] |
| other data, system (combined):| absolute mag.H: | 13.2[MPC] | | slope parameterG: | (0.15) [*A] | | effective diameterdE: | 3.28± 0.2 km [M11b] | | geometric albedo: | 0.514± 0.159[M11b] | | color indexU-B: | ? | | color indexB-V: | ? | | taxonomic type: | Xc (SMASSII) [JPL] | | massm: | ? | | densityρ: | (1.6 g/cm3) [*A] | | Hill radiusrH: | 480 km [*E] |
other data, primary: | diameterdp: | 3.22± 0.2 km [*D] | | rotation periodRPp: | 2.9227± 0.0001h [P06d] | | amplitude in mag., rotationalΔM: | 0.20 [P06d] | | pole directionΒ, λ: | ?,? |
other data, secondary: | diameterds: | 0.61± 0.1km [*D] | | diameter ratiods/dp: | 0.19± 0.03 [P06d] | | component mag. differenceΔM: | 3.6± 0.3 [*D] | | rotation periodRPs: | ? | |
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--(4786) Tatianina --discovery and notes:
Primary discovered1985 Aug 13from Nauchnyj, Crimea, Ukraine, USSRby N. S. Chernykh.Alternate designation(s):1985 PE2, 1948 GA, 1970 KF, 1984 EV1, 1984 FM1.Linked to prediscovery observations from 1970 May 31.Permanent number assigned 1991 Apr 28.
Named 1996 Mar 05 for Tatiana Aleksandrovna Somova [MPC26762].
Companion discovered2006 Mar 20 by D. Pray, P. Pravec, P. Kusnirak, S. Nudds, A. Galad, S. Gajdos, J. Vilagi, and R. Koffusinglightcurve observations from Carbuncle Hill Observatory, Greene, Rhode Island, USA; Ondrejov Observatory, Czech Republic; Elginfield Observatory, University of Western Ontario, Ontario, Canada; Modra Observatory, Slovakia; Antelope Hills Observatory, Bennett, Colorado, USA.Announced2006 Apr 11 [P06d].
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
- Higgins, David 2011, Minor Planet BulletinPeriod Determination of Asteroid Targets Observed at Hunters Hill Observatory: May 2009 - September 2010
- Pray, D., Pravec, P., Kusnirak, P., Nudds, S., Galad, A., Gajdos, S., Vilagi, J., & Koff, R. 2006, Central Bureau Electronic Telegrams(4786) Tatianina
- Bus, S. & Binzel, R. P. 2004, NASA Planetary Data System4786 Tatianina CCD Spectrum
©2006-2008, 2014by Wm. Robert Johnston.
Last modified21 September 2014.Return toHome. Return toAstronomy and Space. Return toAsteroids with Satellites.
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