Asteroids with Satellites Database--Johnston's Archive
(35107)
1991 VH
and S/2008 (35107) 1
compiled by Wm. Robert Johnston
last updated
21 September 2014
--Orbital and physical data--
(See this page for definitions of quantities; source codes in brackets, see this link for full references; *A, *D, and *E indicate assumed, derived, and estimated values, respectively.)
dynamical type, primary:
NEA, Apollo
(PHA)
orbital data, primary (osculating elements)
[JPL]
:
semimajor axis a: |
1.137290734 AU
|
orbital period P: |
1.212873350 yr (= 443.0019910 d)
|
eccentricity e: |
0.144253548
|
perihelion distance q: |
0.973232511 AU
|
aphelion distance Q: |
1.301348958 AU
|
inclination i: |
13.9116264°
|
argument of perihelion ω: |
206.8943064°
|
ascending node Ω: |
139.3746289°
|
mean anomaly M: |
252.8714614°
|
perihelion passage TP: |
2014 Oct 01.828210
|
Epoch: |
2014 May 23
|
data arc: |
1991-2014
(1910 obs.)
|
Earth MOID: |
0.0266847 AU
|
Jupiter Tisserand invariant TJ: |
5.473
|
orbital data, secondary:
binary dynamical type: | A [P07f] |
semimajor axis as: |
3.26
± 0.035 km
[F12a]
|
separation/primary radius as/rp: | 6.3 [*D] |
separation/Hill radius as/rH: | 0.036 [*D] |
orbital period Ps: |
1.36
± 0.0008
d [P06b]
|
eccentricity es: |
0.05
± 0.02
[P06b]
|
normalized ang. mom. αL: |
1.21
[P07f]
|
|
other data, system (combined):
absolute mag. H: |
16.7
[MPC]
17.02 ± 0.06 [P98a]
|
slope parameter G: |
(0.15) [*A]
|
effective diameter dE: |
1.12
± 0.22
km [M11c]
|
geometric albedo: |
0.27
± 0.16
[M11c]
|
color index U-B: |
?
|
color index B-V: |
?
|
color index V-R: | 0.38 ± 0.04 [P98a] |
color index V-I: | 0.74 [P98a] |
taxonomic type: |
Sk (SMASSII) [JPL]
|
mass m: |
1.49x1012
kg [F12a]
|
density ρ: |
1.6
± 0.5
g/cm3[P06b]
|
Hill radius rH: |
92 km [*D]
|
other data, primary:
diameter dp: |
1.04
± 0.2
km [*D]
|
rotation period RPp: |
2.624
± 0.000
h [P06b]
|
amplitude in mag., rotational ΔM: |
0.15
[W14e]
|
pole direction Β, λ: |
?
,
?
|
other data, secondary:
diameter ds: |
0.42
± 0.08
km [*D]
|
diameter ratio ds/dp: |
0.4
± 0.02
[P06b]
|
component mag. difference ΔM: |
2.0
± 0.1
[*D]
|
rotation period RPs: |
?
|
|
|
--
(35107) 1991 VH and S/2008 (35107) 1
--discovery and notes:
Primary discovered
1991 Nov 09
from
Siding Spring Observatory, New South Wales, Australia
by
R. H. McNaught.
Permanent number assigned 2002 Feb 27.
Companion discovered
1997 Feb 27
by P. Pravec, M. Wolf, and L. Sarounova
using
lightcurve
observations from Ondrejov Observatory, Czech Republic.
Announced
1997 Mar 29 [P97c].
Provisional designation S/2008 (35107) 1.
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
- Naidu, Shantanu & Margot, J. 2013, AAS/Division for Planetary Sciences Meeting Abstracts Coupled Spin and Orbital Dynamics of Binary Near-Earth Asteroids 2000 DP107 and 1991 VH
- Naidu, Shantanu P., Margot, J. L., Busch, M. W., Taylor, P. A., Nolan, M. C., Howell, E. S., Giorgini, J. D., Benner, L. A. M., Brozovic, M., & Magri, C. 2012, AAS/Division of Dynamical Astronomy Meeting Dynamics of Binary Near-Earth Asteroid System (35107) 1991 VH
- Fang, Julia & Margot, Jean-Luc 2012, The Astronomical Journal The Role of Kozai Cycles in Near-Earth Binary Asteroids
- Fang, Julia & Margot, Jean-Luc 2012, The Astronomical Journal Binary Asteroid Encounters with Terrestrial Planets: Timescales and Effects
- Fang, Julia & Margot, Jean-Luc 2012, The Astronomical Journal Near-Earth Binaries and Triples: Origin and Evolution of Spin-Orbital Properties
- Vander Haagen, Gary A. 2010, Minor Planet Bulletin (35107) 1991 VH: An Apollo Binary Asteroid
- Merline, W. J., Conrad, A. R., Keck Observatory, W. M., Drummond, J. D., Tamblyn, P. M., Dumas, C., Carry, B., Campbell, R. D., Goodrich, R. W., Chapman, C. R., & Owen, W. M. 2008, International Astronomical Union Circular S/2008 (35107) 1
- Somers, James M., Hicks, M. D., & Lawrence, K. J. 2008, Bulletin of the American Astronomical Society Optical Characterization of Planetary Radar Targets
- Margot, Jean-Luc, Taylor, P. A., Nolan, M. C., Howell, E. S., Ostro, S. J., Benner, L. A. M., Giorgini, J. D., Magri, C., & Carter, L. M. 2008, Bulletin of the American Astronomical Society Detailed Characterization Of Asteroid (35107) 1991 VH
- Pravec, Petr, Wolf, Marek, & Šarounová, Lenka 1998, Icarus Occultation/Eclipse Events in Binary Asteroid 1991 VH
- 1997, European Southern Observatory Press Release Discovery of a Satellite around a Near-Earth Asteroid
- 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, Bulletin of the American Astronomical Society Asteroid Light Curves
- Pravec, P., Wolf, M., & Sarounova, L. 1997, International Astronomical Union Circular 1991 VH
- McNaught, R. H., Garradd, G. J., & Williams, G. V. 1996, Minor Planet Electronic Circ., 1996-A18 (1996). 1991 VH
- 1991, Yamamoto Circular 1991 VH, 1991 VK, 1991 VL, 1991 WA, 1991 XB.
- 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
©
2001-2008, 2014
by Wm. Robert Johnston.
Last modified
21 September 2014.
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