(93) Minerva, S/2009 (93) 1, and S/2009 (93) 2
compiled by Wm. Robert Johnston
last updated 24 October 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: |
?
| |
semimajor axis/primary radius a/Rp: |
?
| |
orbital period P: |
?
| |
eccentricity e: |
?
|
orbital data, S/2009 (93) 2:
|
semimajor axis a: |
?
| |
semimajor axis/primary radius a/Rp: |
?
| |
orbital period P: |
?
| |
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: |
( km?)
| |
diameter ratio Ds/Dp: |
?
| |
component magnitude difference: |
?
| |
rotation period: |
?
|
other data, S/2009 (93) 2:
|
diameter: |
( km?)
| |
diameter ratio Ds/Dp: |
?
| |
component magnitude difference: |
?
| |
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 ; announced 31 August 2009.
S/2009 (93) 2 discovered ; 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:
© 2009 by Wm. Robert Johnston.
Last modified 24 October 2009.
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