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:
- Taylor, P. A., Nolan, M. C., Howell, E. S., Benner, L. A. M., Brozovic, M., Giorgini, J. D., Margot, J. L., Busch, M. W., Naidu, S. P., Nugent, C., Magri, C., & Shepard, M. K. 2012, Central Bureau Electronic Telegrams 2004 FG11
- Somers, James M., Hicks, M., Lawrence, K., Rhoades, H., Mayes, D., Barajas, T., McAuley, A., Foster, J., Shitanishi, J., Truong, T., & Garcia, K. 2010, Bulletin of the American Astronomical Society Optical Characterization Of Planetary Radar Targets, Low-ΔV, And Potentially Hazardous Asteroids: Results From 2009-2010.
- Hicks, M., Lawrence, K., & Benner, L. 2010, The Astronomer's Telegram Palomar Spectroscopy of 2001 FM129, 2004 FG11, and 2005 YU55.
©
2012-2013, 2014
by Wm. Robert Johnston.
Last modified
20 September 2014.
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