(283) Emma
and S/2003 (283) 1 (original) (raw)
Asteroids with Satellites Database--Johnston's Archive
(283) Emma_and_ S/2003 (283) 1
compiled by Wm. Robert Johnston
last updated 3 May 2022
--Orbital and physical data--
(See this page for definitions of quantities; source codes in brackets, see this 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 axis **a:**3.047100676 AUorbital period **P:**5.319103092 yr (= 1942.802404 d)eccentricity **e:**0.148445205perihelion distance **q:**2.59477319 AUaphelion distance **Q:**3.499428161 AUinclination **i:**7.9935225°argument of perihelion **ω:**53.617046°ascending node **Ω:**304.371545°mean anomaly **M:**338.862139°perihelion passage **TP:2014 Sep 14.0741Epoch:2014 May 23data arc:1894-2012 (1380 obs.)Earth MOID:**1.59864 AUJupiter Tisserand invariant **TJ:3.206 orbital data, secondary: binary dynamical type:**L [P07f]semimajor axis **as:**581 ± 3.6 km [M08c]separation/primary radius **as/rp:**8.6 [*D]separation/Hill radius **as/rH:**0.024 [*D]orbital period **Ps:**3.353 ± 0.00093 d [M08c]eccentricity **es:**0.12 ± 0.01 [M08c]inclination **is:**0 ° [M05d] normalized ang. mom. **αL:**0.63 [P07f] | other data, system (combined): absolute mag. **H:**8.72 [MPC]slope parameter G: (0.15) [*A]effective diameter **dE:132.38 ± 0.26 km [M14c]geometric albedo:**0.033 ± 0.009 [M14c]color index **U-B:**0.274 [T95a]color index **B-V:0.628 [T95a]taxonomic type:**X (Tholen) [JPL]mass **m:**1.38x1018 ± 3x1016kg [M08c]density **ρ:**0.7 ± 0.2 g/cm3[M08c]Hill radius **rH:**24000 km [*D] other data, primary: diameter **dp:**132.38 ± 0.26 km [M14c]rotation period **RPp:**6.888 ± 0.007 h [S78a]amplitude in mag., rotational **ΔM:**0.31 [H03a]pole direction Β, λ:? , ? other data, secondary: diameter **ds:**9 ± 5 km [M08c]diameter ratio **ds/dp:**0.067 ± 0.037 [*D]component mag. difference **ΔM:**5.9 [* D]rotation period RPs:? |
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-- (283) Emma and S/2003 (283) 1 --discovery and notes:
Primary discovered 1889 Feb 08 from Nice, France by A. Charlois. Alternate designation(s): 1980 FJ12. Permanent number assigned 1889.
Named - for unknown namesake.
Companion discovered 2003 Jul 14 by W. J. Merline, C. Dumas, N. Siegler, L. M. Close, C. R. Chapman, P. M. Tamblyn, D. Terrell, A. Conrad, F. Menard, and G. Duvert using adaptive optics telescope observations from W. M. Keck II Telescope, Mauna Kea, Hawaii, USA. Announced 2003 Jul 27 [M03f]. Provisional designation S/2003 (283) 1.
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
- Strabla, Luca, Quadri, Ulisse, & Girelli, Roberto 2011, Minor Planet Bulletin Minor Planet Lightcurve Analysis at Bassano Bresciano Observatory: 2010 October - 2011 March
- Fornasier, S., Clark, B. E., & Dotto, E. 2011, Icarus Spectroscopic survey of X-type asteroids
- Bouvier, Jean-Claude & Horch, E. 2011, Bulletin of the American Astronomical Society Minor Planet Observations with the Differential Speckle Survey Instrument
- Marchis, F., Descamps, P., Berthier, J., Hestroffer, D., Vachier, F., Baek, M., Harris, A. W., & Nesvorný, D. 2008, Icarus Main belt binary asteroidal systems with eccentric mutual orbits
- Michałowski, T., Kaasalainen, M., Polińska, M., Marciniak, A., Kwiatkowski, T., Kryszczyńska, A., & Velichko, F. P. 2006, Astronomy and Astrophysics Photometry and models of selected main belt asteroids. III. 283 Emma, 665 Sabine, and 690 Wratislavia
- Hestroffer, Daniel, Tanga, P., Cellino, A., Kaasalainen, M., Torppa, J., Marchis, F., Richardson, D. C., Elankumaran, P., Berthier, J., Colas, F., & Lounis, S. 2006, Bulletin of the American Astronomical Society HST/FGS High Angular Resolution Observations of Binary Asteroids
- Merline, W. J., Dumas, C., Siegler, N., Close, L. M., Chapman, C. R., Tamblyn, P. M., Terrell, D., Conrad, A., Menard, F., & Duvert, G. 2003, International Astronomical Union Circular S/2003 (283) 1
- Merline, W. J., Dumas, C., Siegler, N., Close, L. M., Chapman, C. R., Tamblyn, P. M., Terrell, D., Conrad, A., Menard, F., & Duvert, G. 2003, Central Bureau Electronic Telegrams S/2003 (283) 1
- Stanzel, R. 1978, Astronomy and Astrophysics Supplement Series Lightcurves and Rotation Period of Minor Planet 283 Emma
- Voronov, N. 1934, Tsirkulyar Tashkentskoj Astronomicheskoj Observatorii Improved Elements of the Minor Planet (283) Emma
- Blondel, Henri 1917, Journal des Observateurs Eléments et éphéméride de (283) Emma
© 2003-2014, 2022 by Wm. Robert Johnston.
Last modified 3 May 2022.
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