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.

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--Links to ADS abstracts:


© 2001-2008, 2014 by Wm. Robert Johnston.
Last modified 21 September 2014.
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