Asteroids with Satellites Database--Johnston's Archive
(3671)
Dionysus
and S/1997 (3671) 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: |
2.197503781 AU
| |
orbital period P: |
3.257636697 yr
(= 1189.8518040 d)
| |
eccentricity e: |
0.542416439
| |
perihelion distance q: |
1.005541605 AU
| |
aphelion distance Q: |
3.389465956 AU
| |
inclination i: |
13.5501872°
| |
argument of perihelion ω: |
204.192352°
| |
ascending node Ω: |
82.161864°
| |
mean anomaly M: |
62.9062118°
| |
perihelion passage TP: |
2013 Oct 27.08591
| |
Epoch: |
2014 May 23
| |
data arc: |
1984-2013
(456 obs.)
| |
Earth MOID: |
0.0184778 AU
| |
Jupiter Tisserand invariant TJ: |
3.429
|
orbital data, secondary:
|
semimajor axis as: |
3.4
± 0.6 km
[P06b]
| |
separation/primary radius as/rp: | 4.8 [P06b] | |
separation/Hill radius as/rH: | 0.030 [*D] | |
orbital period Ps: |
1.156
± 0.0004
d [P06b]
| |
eccentricity es: |
0.07
± 0.03/0.07
[P06b]
| |
normalized ang. mom. αL: |
?
|
|
other data, system (combined):
|
absolute mag. H: |
16.4
[MPC]
| |
slope parameter G: |
(0.15) [*A]
| |
effective diameter dE: |
1.46
± 0.2
km [M11c]
| |
geometric albedo: |
0.179
± 0.079
[M11c]
| |
color index U-B: |
?
| |
color index B-V: |
0.68
[P98a]
| |
color index V-R: | 0.39 [P98a] | |
color index B-R: | 1.07 [P98a] | |
color index V-I: | 0.78 [P98a] | |
taxonomic type: |
Cb (SMASSII) [JPL]
| |
mass m: |
2.48x1012
kg [*D]
| |
density ρ: |
1.6
± 0.65
g/cm3[P06b]
| |
Hill radius rH: |
110 km [*D]
|
other data, primary:
|
diameter dp: |
1.43
± 0.2
km [*D]
| |
rotation period RPp: |
2.705
± 0.000
h [P06b]
| |
amplitude in mag., rotational ΔM: |
?
| |
pole direction Β, λ: |
?
,
?
|
other data, secondary:
|
diameter ds: |
0.29
± 0.05
km [*D]
| |
diameter ratio ds/dp: |
0.2
± 0.02
[P06b]
| |
component mag. difference ΔM: |
3.5
± 0.2
[*D]
| |
rotation period RPs: |
?
| |
|
|
--
(3671) Dionysus and S/1997 (3671) 1
--discovery and notes:
Primary discovered
1984 May 27
from
Palomar Observatory, California, USA
by
C. S. Shoemaker and E. M. Shoemaker.
Alternate designation(s):
1984 KD
.
Permanent number assigned 1987 Aug 09.
Named 1988 Feb 02 for the mythological Greek god of wine [MPC12808].
Companion discovered
1997 May 30
by S. Mottola, G. Hahn, P. Pravec, and L. Sarounova
using
lightcurve
observations from European Southern Observatory, La Silla.
Announced
1997 Jun 10 [M97a].
Provisional designation S/1997 (3671) 1.
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
- Harris, Alan W. & Davies, John K. 1999, Icarus, Volume 142, Issue Icarus, pp. 464-475. Physical Characteristics of Near-Earth Asteroids from Thermal Infrared Spectrophotometry
- Fauvaud, S., Bretaudeau, H., Bruno, A., & Renou, A. 1998, Minor Planet Bulletin Astrometric Positions of Minor Planet 3671 Dionysus and 52 Europa
- Pravec, Petr, Wolf, Marek, & Sarounova, Lenka 1998, Icarus, Volume 133, Issue 1, pp. 79-88. Occultation/Eclipse Events in Binary Asteroid 1991 VH
- 1997, European Southern Observatory Press Release Discovery of a Satellite around a Near-Earth Asteroid
- Ostro, S. J. 1996, Bulletin of the American Astronomical Society Radar Imaging of Asteroids
- Hasegawa, Ichiro 1996, Earth Moon and Planets Possible Associations of Daytime Fireballs and Minor Planets
- Zeigler, K. W. & Florence, W. B. 1985, Icarus Photoelectric photometry of asteroids 9 Metis, 18 Melpomene, 60 Echo, 116 Sirona, 230 Athamantis, 694 Ekard, and 1984 KD
- Zeigler, K. W. & Florence, W. B. 1984, Bulletin of the American Astronomical Society Photoelectric Photometry of Asteroids 9 Metis, 18 Melpomene, 60 Echo, 116 Sirona, 230 Athamantis, 694 Ekard, and 1984 KD
- 1984, Yamamoto Circular 1984 KD Shoemaker Object.
©
2001-2008, 2014
by Wm. Robert Johnston.
Last modified
21 September 2014.
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