Asteroids with Satellites Database--Johnston's Archive
2006 SF369
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:
TNO, 1:3 resonance
orbital data, primary (osculating elements)
[JPL]
: |
semimajor axis a: |
62.893 AU
| |
orbital period P: |
498.8 yr
(= 182181 d)
| |
eccentricity e: |
0.3779
| |
perihelion distance q: |
39.128 AU
| |
aphelion distance Q: |
86.658 AU
| |
inclination i: |
27.6167°
| |
argument of perihelion ω: |
290.30°
| |
ascending node Ω: |
95.3019°
| |
mean anomaly M: |
16.21°
| |
perihelion passage TP: |
1991 Dec 05
| |
Epoch: |
2014 May 23
| |
data arc: |
2005 Sep-2007 Nov
(40 obs.)
| |
Earth MOID: |
38.2335 AU
| |
Jupiter Tisserand invariant TJ: |
5.787
|
| Neptune Tisserand invariant TN: | 2.85 [*D] |
orbital data, secondary:
|
semimajor axis as: |
3120
± 80 km
(separation)
[G12b]
| |
separation/primary radius as/rp: | 43 [*E] | |
separation/Hill radius as/rH: | 0.0067 [*E] | |
orbital period Ps: |
28
d [*E]
| |
eccentricity es: |
?
| |
normalized ang. mom. αL: |
?
|
|
other data, system (combined):
|
absolute mag. H: |
6.7
[MPC]
| |
slope parameter G: |
(0.15) [*A]
| |
effective diameter dE: |
201
km [*E]
| |
geometric albedo: |
(0.09
) [*A]
| |
color index U-B: |
?
| |
color index B-V: |
?
| |
taxonomic type: |
?
| |
mass m: |
?
| |
density ρ: |
(1
g/cm3) [*A]
| |
Hill radius rH: |
470000 km [*E]
|
other data, primary:
|
diameter dp: |
144
km [*E]
| |
rotation period RPp: |
?
| |
amplitude in mag., rotational ΔM: |
?
| |
pole direction Β, λ: |
?
,
?
|
other data, secondary:
|
diameter ds: |
141
km [*E]
| |
diameter ratio ds/dp: |
0.977
± 0.023
[N08b]
| |
component mag. difference ΔM: |
0.005
± 0.005
[N08b]
| |
rotation period RPs: |
?
| |
|
|
--
2006 SF369
--discovery and notes:
Primary discovered
2006 Sep 30
from
Apache Point Observatory, New Mexico, USA
by
A. C. Becker, A. W. Puckett, and J. Kubica.
Linked to prediscovery observations from 2005 Sep 22.
Companion discovered
2007 Nov 13
by K. S. Noll, S. D. Kern, W. M. Grundy, H. F. Levison, and E. A. Barker
using
Hubble Space Telescope
observations from Hubble Space Telescope.
Announced
2008 Feb 19 [N08b].
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
- Noll, K. S., Kern, S. D., Grundy, W. M., Levison, H. F., & Barker, E. A. 2008, International Astronomical Union Circular 2006 SF_369
©
2008, 2014
by Wm. Robert Johnston.
Last modified
20 September 2014.
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