(35107) 1991 VH
compiled by Wm. Robert Johnston
last updated 1 March 2006
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: |
1.13634887129543 AU
| |
orbital period P: |
1.2114 y (=442.5 d)
| |
eccentricity e: |
0.143742577708032
| |
perihelion distance q: |
0.973007155359813 AU
| |
aphelion distance Q: |
1.29969059 AU
| |
inclination i: |
13.9179008334431°
| |
argument of perihelion omega: |
207.115484907792°
| |
ascending node OMEGA: |
139.457129702148°
| |
mean anomaly M: |
8.33759652170078°
| |
perihelion passage TP: |
2005-01-19.7528209
| |
Epoch: |
30 JAN 2005
| |
data arc: |
1991-2003 (805 obs.)
|
orbital data, secondary:
|
semimajor axis a: |
(3.2 km)
| |
semimajor axis/primary radius a/Rp: |
5.4 ± 0.6 [P05a]
| |
orbital period P: |
32.63 ± 0.02 h [P05a]
| |
eccentricity e: |
0.05 ± 0.01 [P05a]
| |
other data, primary:
|
diameter: |
1.2 km [A3a]
| |
absolute magnitude H: |
17.02 ± 0.06 [P98a]
| |
rotation period: |
2.62385 ± 0.00007 h [P98a]
| |
amplitude delta M: |
0.08 [MPb]
| |
color index B-V: |
?
| |
color index V-R: |
0.38 ± 0.04 [P98a]
| |
color index R-I: |
0.36 ± 0.04 [P98a]
| |
slope parameter G: |
(0.15) [a]
| |
geometric albedo: |
(0.16) [a]
| |
mass (system): |
(1.5x1012 kg)
| |
density: |
1.6 ± 0.5 g/cm3 [P05a]
| |
type: |
Sk [SBd]
|
other data, secondary:
|
diameter: |
(0.5 km)
| |
diameter ratio Ds/Dp: |
0.41 ± 0.03 [P05a]
| |
component magnitude difference: |
?
| |
rotation period: |
?
|
|
--(35107) 1991 VH--discovery and notes:
Primary discovered 9 November 1991 by R. H. McNaught from Siding Spring Observatory, New South Wales, Australia.
Companion discovered based on lightcurve observations from 27 February through 13 March 1997 by P. Pravec, M. Wolf, and L. Sarounova; announced 29 March 1997.
See more information and links at
Asteroid/Comet Connection Catchall Catalog page
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
- Pravec, Petr, Wolf, Marek, & Sarounova, Lenka 1998, Icarus, Volume 133, Issue 1, pp. 79-88. Occultation/Eclipse Events in Binary Asteroid 1991 VH
- Africano, J. L., Kervin, P. W., Lambert, J. V., Talent, D. L., Tedesco, E. F., Angara, A. F., Nishimoto, D., Sydney, P., Hoo, V. Soo, O'Connell, D., & Alday, A. 1997, American Astronomical Society, DPS meeting #29, #07.24; Bulletin of the American Astronomical Society, Vol. 29, p.976 Asteroid Light Curves
- Pravec, P., Wolf, M., & Sarounova, L. 1997, IAU Circ., 6607, 2 (1997). Edited by Green, D. W. E. 1991 VH
- McNaught, R. H., Garradd, G. J., & Williams, G. V. 1996, Minor Planet Electronic Circ., 1996-A18 (1996). 1991 VH
- Marsden, B. G. 1991, IAU Circ., 5410, 1 (1991). Edited by Marsden, B. G. 1991 VH
- McNaught, R. H. & Steel, D. I. 1991, IAU Circ., 5409, 2 (1991). Edited by Marsden, B. G. 1991 VH
- McNaught, R. H., Drinkwater, M. J., & Marsden, B. G. 1991, IAU Circ., 5390, 1 (1991). Edited by Green, D. W. E. 1991 VH
© 2001-2005, 2006 by Wm. Robert Johnston.
Last modified 1 March 2006.
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