Asteroids with Satellites Database--Johnston's Archive

(363599) 2004 FG11

compiled by Wm. Robert Johnston
last updated 20 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: 1.587694842 AU
orbital period P: 2.000593037 yr
(= 730.7166068 d)
eccentricity e: 0.72425854
perihelion distance q: 0.43779329 AU
aphelion distance Q: 2.737596389 AU
inclination i: 3.118445°
argument of perihelion ω: 227.86876°
ascending node Ω: 84.32523°
mean anomaly M: 356.913950°
perihelion passage TP: 2014 May 29.26396
Epoch: 2014 May 23
data arc: 2004-2014 (158 obs.)
Earth MOID: 0.0210555 AU
Jupiter Tisserand invariant TJ: 4.038

orbital data, secondary:
semimajor axis as: 0.25 ± 0.05 km (separation) [T12a]
separation/primary radius as/rp:3.3 [*E]
separation/Hill radius as/rH:0.047 [*E]
orbital period Ps: 0.8333 ± 0.017 d [T12a]
eccentricity es: ?
normalized ang. mom. αL: ?

other data, system (combined):
absolute mag. H: 21 [MPC]
20.95 ± 0.59 [JPL]
slope parameter G: (0.15) [*A]
effective diameter dE: 0.17 km [*D]
geometric albedo: 0.24 [*E]
color index U-B: ?
color index B-V: ?
taxonomic type: ?
mass m: ?
density ρ: (1.6 g/cm3) [*A]
Hill radius rH: 5 km [*E]

other data, primary:
diameter dp: 0.15 ± 0.03 km [T12a]
rotation period RPp: <4 h [B14c]
amplitude in mag., rotational ΔM: ?
pole direction Β, λ: ? , ?

other data, secondary:
diameter ds: <0.08 km [T12a]
diameter ratio ds/dp: 0.533 [*D]
component mag. difference ΔM: 1.4 [* D]
rotation period RPs: ?

-- (363599) 2004 FG11 --discovery and notes:

Primary discovered 2004 Mar 23 from Socorro, New Mexico, USA by LINEAR. Permanent number assigned 2013 Jun 23.

Companion discovered 2012 Apr 07 by P. A. Taylor, M. C. Nolan, E. S. Howell, L. A. M. Benner, M. Brozovic, J. D. Giorgini, J. L. Margot, M. W. Busch, S. P. Naidu, C. Nugent, C. Magri, and M. K. Shepard using radar observations from Arecibo Observatory, Puerto Rico. Announced 2012 Apr 25 [T12a].

--Links, more technical:

--Links, less technical:

--Links to ADS abstracts:

© 2012-2013, 2014 by Wm. Robert Johnston.
Last modified 20 September 2014.
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