(93) Minerva, S/2009 (93) 1, and S/2009 (93) 2
compiled by Wm. Robert Johnston
last updated 6 December 2009
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: |
2.753288748 AU
| |
orbital period P: |
4.57 y (=1,668.691550223 d)
| |
eccentricity e: |
0.14207368
| |
perihelion distance q: |
2.3621189 AU
| |
aphelion distance Q: |
3.144458600 AU
| |
inclination i: |
8.562094°
| |
argument of perihelion omega: |
275.28038°
| |
ascending node OMEGA: |
4.08495°
| |
mean anomaly M: |
103.80454°
| |
perihelion passage TP: |
2008-09-09.8396
| |
Epoch: |
04 JAN 2010
| |
data arc: |
1899-2009 (1058 obs.)
|
orbital data, S/2009 (93) 1:
|
semimajor axis a: |
(630 km separation) [I9069]
| |
semimajor axis/primary radius a/Rp: |
(9?)
| |
orbital period P: |
(2.6 d?)
| |
eccentricity e: |
?
|
orbital data, S/2009 (93) 2:
|
semimajor axis a: |
(380 km separation) [I9069]
| |
semimajor axis/primary radius a/Rp: |
(5?)
| |
orbital period P: |
(1.2 d?)
| |
eccentricity e: |
?
| |
other data, primary:
|
diameter: |
141.6 ± 4.0 km [IR]
| |
absolute magnitude H: |
7.70 [IR]
| |
rotation period: |
5.982 h [JPL]
| |
amplitude delta M: |
?
| |
color index U-B: |
0.315 ± 0.029 [JPL]
| |
color index B-V: |
0.685 ± 0.024 [JPL]
| |
color index V-R: |
?
| |
color index R-I: |
?
| |
slope parameter G: |
?
| |
geometric albedo: |
0.073 ± 0.004 [IR]
| |
mass: |
?
| |
density: |
?
| |
type: |
CU; C [JPL]
|
other data, S/2009 (93) 1:
|
diameter: |
4 km [I9069]
| |
diameter ratio Ds/Dp: |
(0.03)
| |
component magnitude difference: |
(8)
| |
rotation period: |
?
|
other data, S/2009 (93) 2:
|
diameter: |
3 km [I9069]
| |
diameter ratio Ds/Dp: |
(0.02)
| |
component magnitude difference: |
(8)
| |
rotation period: |
?
|
|
--(93) Minerva--discovery and notes:
Primary discovered 24 August 1867 by J. C. Watson at Ann Arbor, Michigan, USA. Alternate designations A902 DA, 1949 QN2.
S/2009 (93) 1 discovered by F. Marchis, B. Macomber, J. Berthier, F. Vachier, and J. P. Emery from images obtained 16 August 2009 with the Keck II adaptive optics telescope; announced 31 August 2009.
S/2009 (93) 2 discovered by F. Marchis, B. Macomber, J. Berthier, F. Vachier, and J. P. Emery from images obtained 16 August 2009 with the Keck II adaptive optics telescope; announced 31 August 2009.
See more information and links at
Asteroid/Comet Connection Catchall Catalog page
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
- Marchis, F., Descamps, P., Berthier, J., Colas, F., Melbourne, J., Stockton, A. N., Fassnacht, C. D., & Dupuy, T. J. 2009, Central Bureau Electronic Telegrams Occultations of the (93) Minerva System
- Marchis, F., Macomber, B., Berthier, J., Vachier, F., & Emery, J. P. 2009, International Astronomical Union Circular S/2009 (93) 1 and S/2009 (93) 2
- López-González, M. J. & Rodríguez, E. 2009, Revista Mexicana de Astronomia y Astrofisica Conference Series Photometry of six asteroids
- Torppa, J., Hentunen, V.-P., Pääkkönen, P., Kehusmaa, P., & Muinonen, K. 2008, Icarus Asteroid shape and spin statistics from convex models
- Bus, S. & Binzel, R. P. 2004, NASA Planetary Data System 93 Minerva CCD Spectrum
- Tungalag, N., Shevchenko, V. G., & Lupishko, D. F. 2002, Kinematika i Fizika Nebesnykh Tel Rotation parameters and shapes of 15 asteroids
- Denchev, P. 2000, Planetary and Space Science Photometry of 11 asteroids during their 1998 and 1999 apparitions
- Millis, R. L., Wasserman, L. H., Bowell, E., Franz, O. G., Nye, R., Osborn, W., & Klemola, A. 1985, Icarus The occultation of AG + 29 deg 398 by 93 Minerva
- Wasserman, L. H., Millis, R. L., Bowell, E., & Franz, O. G. 1983, Bulletin of the American Astronomical Society The Occultation Diameters of 375 Ursula and 93 Minerva
- Sicardy, B., Laques, P., Lecacheux, J., Vedere, J. J., Leborgne, J. F., Baroni, S., Cavagna, M., & Gualdoni, C. 1982, International Astronomical Union Circular Occultation of BD +29 579 by (93) Minerva
- Debehogne, H., Lagerkvist, C.-I., & Zappala, V. 1982, Astronomy and Astrophysics Supplement Series Physical studies of asteroids. VIII -
Photoelectric photometry of the asteroids 42, 48, 93, 105, 145 and 245
- Lagerkvist, C.-I. 1981, Astronomy and Astrophysics Supplement Series Physical studies of asteroids II - Photoelectric observations of the
asteroids 63, 93, 135 and 409
- Millosevich, Elia 1902, Astronomische Nachrichten Beobachtungen des Planeten 1902 HQ = (93) Minerva
- Eichelberger, W. S. 1897, Astronomical Journal Ephemeris of asteroid (93) Minerva
© 2009 by Wm. Robert Johnston.
Last modified 6 December 2009.
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