(90) Antiope and S/2000 (90) 1
compiled by Wm. Robert Johnston
last updated 6 January 2007
Orbital elements and other data (Assumed or derived values in parenthesis, my estimates in italics and parenthesis. Source identifications in brackets, see this link for sources):
orbital data, primary (osculating elements) [JPL]:
|
semimajor axis a: |
3.15597769715443 AU
| |
orbital period P: |
5.6067 y (=2047.9 d)
| |
eccentricity e: |
0.155943528304158
| |
perihelion distance q: |
2.66382339981093 AU
| |
aphelion distance Q: |
3.64813199 AU
| |
inclination i: |
2.21979825482584°
| |
argument of perihelion omega: |
242.480177008978°
| |
ascending node OMEGA: |
70.2345555841853°
| |
mean anomaly M: |
348.378454301017°
| |
perihelion passage TP: |
2005-10-23.1090184
| |
Epoch: |
18 AUG 2005
| |
data arc: |
1866-2005 (898 obs.)
|
orbital data, secondary:
|
semimajor axis a: |
171 ± 1 km [D06a]
| |
semimajor axis/primary radius a/Rp: |
(3.90)
| |
orbital period P: |
16.5051 ± 0.0001 h [D06a]
| |
eccentricity e: |
<0.006 [D06a]
| |
inclination i: |
63.7° ± 2° [D06a]
| |
other data, primary:
|
diameter (mean): |
87.8 ± 1.0 km [D06a]
| |
triaxial dimensions a, b, c: |
93.0 km x 87.0 km x 83.6 km [D06a]
| |
absolute magnitude H: |
8.27 [JPL]
| |
rotation period: |
16.5051 ± 0.0001 h [D06a]
| |
amplitude delta M: |
0.7 [MPb]
| |
color index U-B: |
0.317 ± 0.047 [SBa]
| |
color index B-V: |
0.688 ± 0.016 [SBa]
| |
color index V-R: |
?
| |
color index R-I: |
?
| |
slope parameter G: |
(0.15) [a]
| |
geometric albedo: |
0.060 ± 0.004 [IR]
| |
mass (system): |
(8.28 ± 0.22)x1017 kg [D06a]
| |
density (system): |
1.25 ± 0.05 g/cm3 [D06c]
| |
type: |
C [SBd]
|
other data, secondary:
|
diameter (mean): |
83.8 ± 1.0 km [D06a]
| |
triaxial dimensions a, b, c: |
89.4 km x 82.8 km x 79.6 km [D06a]
| |
diameter ratio Ds/Dp: |
0.95 ± 0.01 [D06a]
| |
component magnitude difference: |
<=0.1 [I7503]
| |
rotation period: |
16.5051 ± 0.0001 h [D06a]
| |
density (system): |
1.25 ± 0.05 g/cm3 [D06c]
|
|
--(90) Antiope--discovery and notes:
Primary discovered 1 November 1866 from Dusseldorf, Germany, by R. Luther. Alternate designation 1952 BK2.
Companion discovered 10 August 2000 from the Keck II adaptive optics telescope by W. J. Merline, L. M. Close, J. C. Shelton, C. Dumas, F. Menard, C. R. Chapman, and D. C. Slater; announced 3 October 2000.
See more information and links at
Asteroid/Comet Connection Catchall Catalog page
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
- Breiter, S., Melendo, B., Bartczak, P., & Wytrzyszczak, I. 2005, Astronomy
and Astrophysics Synchronous motion in the Kinoshita problem. Application
to satellites and binary asteroids
- Marchis, F., Descamps, P., Hestroffer, D., Berthier, J., & de Pater, I.
2004, AAS/Division for Planetary Sciences Meeting Abstracts Fine Analysis
of 121 Hermione, 45 Eugenia, and 90 Antiope Binary Asteroid Systems With AO
Observations
- Berthier, J., Marchis, F., Descamps, P., & Hestroffer, D. 2004,
AAS/Division for Planetary Sciences Meeting Abstracts Prediction of stellar
occultations by satellite of asteroids
- Bus, S. & Binzel, R. P. 2004, NASA Planetary Data System,
EAR-A-I0028-4-SBN0001/SMASSII-V1.0:90ANTIOP01 90 Antiope CCD Spectrum
- Michałowski, T., Bartczak, P., Velichko, F. P., Kryszczyńska, A.,
Kwiatkowski, T., Breiter, S., Colas, F., Fauvaud, S., Marciniak, A.,
Michałowski, J., Hirsch, R., Behrend, R., Bernasconi, L., Rinner, C., &
Charbonnel, S. 2004, Astronomy and Astrophysics Eclipsing binary asteroid
90 Antiope
- Michałowski, T., Colas, F., Kwiatkowski, T., Kryszczyńska, A., Velichko, F. P., & Fauvaud, S. 2002, Astronomy and Astrophysics Eclipsing events in the binary system of the asteroid 90 Antiope
- Kaasalainen, M., Torppa, J., & Piironen, J. 2002, Astronomy and Astrophysics, v.383, p.L19-L22 (2002) Binary structures among large asteroids
- Michalowski, T., Kwiatkowski, T., Kryszczynska, A., Colas, F., & Michalowski, J. 2001, IAU Circ., 7757, 1 (2001). Edited by Green, D. W. E. (90) Antiope
- Michalowski, T., Colas, F., Kwiatkowski, T., Kryszczynska, A., Hirsch, R., & Michalowski, J. 2001, Astronomy and Astrophysics, v.378, p.L14-L16 (2001) CCD photometry of the binary asteroid 90 Antiope .
- Weidenschilling, S. J., Marzari, F., Davis, D. R., & Neese, C. 2001, 32nd Annual Lunar and Planetary Science Conference, March 12-16, 2001, Houston, Texas, abstract no.1890 Origin of the Double Asteroid 90 Antiope: A Continuing Puzzle
- Merline, W. J., Close, L. M., Shelton, J. C., Dumas, C., Menard, F., Chapman, C. R., Slater, D. C., & Keck II Telescope, W. M. 2000, IAU Circ., 7503, 3 (2000). Edited by Green, D. W. E. Satellites of Minor Planets
- Merline, W. J., Close, L. M., Dumas, C., Shelton, J. C., Menard, F., Chapman, C. R., & Slater, D. C. 2000, American Astronomical Society, DPS meeting #32, #13.06 Discovery of Companions to Asteroids 762 Pulcova and 90 Antiope by Direct Imaging
- Hansen, A. T., Arentoft, T., & Lang, K. 1997, The Minor Planet Bulletin, Bulletin of the Minor Planets Section of the Association of Lunar and Planetary Observers, Volume 24., p.17 The Rotational Period of 90 Antiope
- Rabe, E. 1937, Astronomische Nachrichten 264, 297-304 Genäherte allgemeine Jupiterstörungen und mittlere Elemente für den Planeten 90 Antiope
- Luther, W. 1904, Astronomische Nachrichten (90) Antiope
- Deichmüller, Friedrich 1903, Astronomische Nachrichten (90) Antiope
- Vogel, H. 1869, Astronomische Nachrichten Ephemeride der Antiope (90) für die Opposition 1870. Von Herrn H. Vogel
- Vogel, H. 1869, Astronomische Nachrichten Auffindung der Antiope (90) in der dritten Erscheinung. Von Herrn H. Vogel
- Vogel, H. 1869, Astronomische Nachrichten Bahnbetimmungen und Ephemeriden der Planeten Antiope (90) und Aegle (96). Von Herrn H. Vogel
- Vogel, H. 1868, Astronomische Nachrichten Auffindung der Antiope (90). Von Herrn H. Vogel
- Vogel, H. 1868, Astronomische Nachrichten Fortsetzung der Ephemeride der Antiope. Von Herrn H. Vogel
- Vogel, H. 1868, Astronomische Nachrichten Bahnbestimmung und Oppositions-Ephemeride der Antiope (90). Von Herrn H. Vogel
- Vogel, H. 1867, Astronomische Nachrichten Beobachtungen, Elemente und Ephemeride der Antiope (90). Von Herrn H. Vogel
- de Gasparis, Annibal 1867, Astronomische Nachrichten Beobachtungen der Antiope (90), von Herrn A. deGasparis
- Tietjen, F. 1867, Astronomische Nachrichten Elemente und Ephemeride der Antiope (90). Von Herrn Dr. F. Tietjen
- Bruhns, Carl 1867, Astronomische Nachrichten Beobachtungen der Antiope und Beatrix auf der Leipziger Sternwarte. Mitgetheilt von Herrn Prof. C. Bruhns
- Luther, Dr. 1866, Monthly Notices of the Royal Astronomical Society, Vol. 27, p.15 Minor Planet 90 Antiope discovered
© 2001-2006, 2007 by Wm. Robert Johnston.
Last modified 6 January 2007.
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