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Asteroids with Satellites Database--Johnston's Archive
(1313) Berna
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: | 2.655728252 AU | | orbital periodP: | 4.327964130 yr
(= 1580.788899 d) | | eccentricitye: | 0.208458632 | | perihelion distanceq: | 2.10211877 AU | | aphelion distanceQ: | 3.209337729 AU | | inclinationi: | 12.5347978° | | argument of perihelionω: | 99.290186° | | ascending nodeΩ: | 298.356889° | | mean anomalyM: | 192.381733° | | perihelion passageTP: | 2016 May 28.02526 | | Epoch: | 2014 May 23 | | data arc: | 1933-2014(1198 obs.) | | Earth MOID: | 1.15153 AU | | Jupiter Tisserand invariantTJ: | 3.323 |
orbital data, secondary: | binary dynamical type: | B [P07f] | | semimajor axisas: | 25 km[*E] | | separation/primary radiusas/rp: | 2.23 [B06a] | | separation/Hill radiusas/rH: | 0.014 [*D] | | orbital periodPs: | 1.061± 0.00004d [B06a] | | eccentricityes: | ? | | normalized ang. mom.αL: | 1.45[P07f] |
| other data, system (combined):| absolute mag.H: | 11.6[MPC] | | slope parameterG: | (0.15) [*A] | | effective diameterdE: | 13.5± 0.31 km [M11b] | | geometric albedo: | 0.184± 0.02[M11b] | | color indexU-B: | ? | | color indexB-V: | ? | | taxonomic type: | ? | | massm: | 1.14x1015kg [*D] | | densityρ: | 1.22± 0.15 g/cm3[B06a] | | Hill radiusrH: | 1800 km [*D] |
other data, primary: | diameterdp: | 10.6± 0.24 km [*D] | | rotation periodRPp: | 25.464± 0.001h [B06a] | | amplitude in mag., rotationalΔM: | 0.28± 0.02 [B06a] | | amplitude in mag., mutual eventsΔM: | 0.75 ±0.05 [B06a] | | pole directionΒ, λ: | ?,? |
other data, secondary: | diameterds: | 8.37km [*D] | | diameter ratiods/dp: | 0.79 [B06a] | | component mag. differenceΔM: | 0.51 [*D] | | rotation periodRPs: | ? | |
|
--(1313) Berna --discovery and notes:
Primary discovered1933 Aug 24from Uccle, Belgiumby S. J. Arend.Alternate designation(s):1933 QG, 1926 EA, A911 OA.Permanent number assigned -.
Named - for the city of Berne, Switzerland.
Companion discovered2004 Feb 06 by R. Behrend, R. Roy, S. Sposetti, N. Waelchli, D. Pray, N. Berger, C. Demeautis, D. Matter, R. Durkee, A. Klotz, D. Starkey, and V. Cotrezusinglightcurve observations from Geneva Observatory.Announced2004 Feb 23 [B04c].
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
- Vereshchagina, I., Sokov, E., Gorshanov, D., Devyatkin, A., Romas, E., L'vov, V., Slesarenko, V., Rastegaev, D., Balega, Yu., Maximov, A., Diachenko, V., Malogolovec, E., Kouprianov, V., & Naiden, Ya. 2012, European Planetary Science Congress 2012Investigation of binary asteroids and NEOs
- Iglesias-Saugar, Jesus, Marchis, F., Descamps, P., Michalowsky, T., & Polinska, M. 2008, Bulletin of the American Astronomical SocietyCombining 3D Lightcurve Modeling and Spitzer Infrared Observations: 1313 Berna
- Behrend, R., Bernasconi, L., Roy, R., Klotz, A., Colas, F., Antonini, P., Aoun, R., Augustesen, K., Barbotin, E., Berger, N., Berrouachdi, H., Brochard, E., Cazenave, A., Cavadore, C., Coloma, J., Cotrez, V., Deconihout, S., Demeautis, C., Dorseuil, J., Dubos, G., Durkee, R., Frappa, E., Hormuth, F., Itkonen, T., Jacques, C., Kurtze, L., Laffont, A., Lavayssière, M., Lecacheux, J., Leroy, A., Manzini, F., Masi, G., Matter, D., Michelsen, R., Nomen, J., Oksanen, A., Pääkkönen, P., Peyrot, A., Pimentel, E., Pray, D., Rinner, C., Sanchez, S., Sonnenberg, K., Sposetti, S., Starkey, D., Stoss, R., Teng, J.-P., Vignand, M., & Waelchli, N. 2006, Astronomy and AstrophysicsFour new binary minor planets: (854) Frostia, (1089) Tama, (1313) Berna, (4492) Debussy
- Behrend, Raoul, Roy, René, & Sposetti, Stefano 2004, Orion: Zeitschrift für Amateur-AstronomieLes quatre astéroïdes (1089) Tama et (1313) Berna. Histoire de deux découvertes magnifiques faites grâce à des amateurs
- Behrend, R., Roy, R., Sposetti, S., Waelchli, N., Pray, D., Berger, N., Demeautis, C., Matter, D., Durkee, R., Klotz, A., Starkey, D., & Cotrez, V. 2004, International Astronomical Union Circular(1313) Berna
- Hilton, James L. 1997, The Astronomical JournalThe Mass of the Asteroid 15 Eunomia From Observations of 1313 Berna and 1284 Latvia
- Mammana, L. A. & Orellana, R. B. 1997, Boletin de la Asociacion Argentina de Astronomia La Plata ArgentinaBúsqueda de asteroides para determinación de masa
- Hilton, J. L. 1996, Bulletin of the American Astronomical SocietyThe Mass of 15 Eunomia from Observations of 1284 Latvia and 1313 Berna
©2004-2006, 2014by Wm. Robert Johnston.
Last modified21 September 2014.Return toHome. Return toAstronomy and Space. Return toAsteroids with Satellites.
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