(809) Lundia
compiled by Wm. Robert Johnston
last updated 4 March 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: |
2.2831251 AU
| |
orbital period P: |
3.4499 y (=1,260.1 d)
| |
eccentricity e: |
0.1926674
| |
perihelion distance q: |
1.8432413 AU
| |
aphelion distance Q: |
2.72300888 AU
| |
inclination i: |
7.14354°
| |
argument of perihelion omega: |
196.32103°
| |
ascending node OMEGA: |
154.68716°
| |
mean anomaly M: |
13.72823°
| |
perihelion passage TP: |
2005-06-30.94871
| |
Epoch: |
18 AUG 2005
| |
data arc: |
1915-2004 (617 obs.)
| orbital data, secondary:
|
semimajor axis a: |
(12 km?)
| |
semimajor axis/primary radius a/Rp: |
(4?)
| |
orbital period P: |
15.4 h [C239]
| |
eccentricity e: |
?
| |
other data, primary:
|
diameter: |
6 km [C239]
| |
absolute magnitude H: |
11.8 [JPL]
| |
rotation period: |
15.4 h? [C239]
| |
amplitude delta M: |
0.35 [C239]
| |
color index B-V: |
?
| |
color index V-R: |
?
| |
color index R-I: |
?
| |
slope parameter G: |
(0.15) [a]
| |
geometric albedo: |
?
| |
mass: |
?
| |
density: |
?
| |
type: |
?
|
other data, secondary:
|
diameter: |
6 km [C239]
| |
diameter ratio Ds/Dp: |
(1.0)
| |
component magnitude difference: |
(0)
| |
rotation period: |
?
|
|
--(809) Lundia--discovery and notes:
Primary discovered 11 August 1915 from Heidelberg by M. F. Wolf. Alternate designations 1915 XP, 1936 VC.
Secondary identified by A. Kryszczynska, T. Kwiatkowski, R. Hirsch, M. Polinska, K. Kaminski, and A. Marciniak based on lightcurve observations from 18-26 September 2005 at Borowiec Observatory; reported 1 October 2005.
See more information and links at
Asteroid/Comet Connection Catchall Catalog page
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
- Carruba, V., Michtchenko, T. A., Roig, F., Ferraz-Mello, S., & Nesvorný, D.
2005, Astronomy and Astrophysics On the V-type asteroids outside the Vesta
family. I. Interplay of nonlinear secular resonances and the Yarkovsky
effect: the cases of 956 Elisa and 809 Lundia
- Carruba, V., Michtchenko, T., Roig, F., Ferraz-Mello, S., & Nesvorny', D.
2005, AAS/Division for Planetary Sciences Meeting Abstracts On the V-type
asteroids outside the Vesta family
- Florczak, Marcos, Lazzaro, Daniela, & Duffard, René 2002, Icarus Discovering
New V-Type Asteroids in the Vicinity of 4 Vesta
- Debehogne, H., Protic-Benisek, V., & Olevic, D. 1993, Bulletin Astronomique
de Belgrade 183 Photographic Positions of Nine Minor Planets Obtained at
Eso-La Silla in February 1986
© 2005-2006, 2007 by Wm. Robert Johnston.
Last modified 4 March 2007.
Return to Home. Return to Astronomy and Space. Return to Asteroids with Satellites.