Asteroids with Satellites Database--Johnston's Archive
(4492)
Debussy
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:
main belt asteroid
orbital data, primary (osculating elements)
[JPL]
: |
semimajor axis a: |
2.765983837 AU
| |
orbital period P: |
4.600262977 yr
(= 1680.246052 d)
| |
eccentricity e: |
0.180358464
| |
perihelion distance q: |
2.26711524 AU
| |
aphelion distance Q: |
3.264852434 AU
| |
inclination i: |
8.0245664°
| |
argument of perihelion ω: |
52.614095°
| |
ascending node Ω: |
350.064813°
| |
mean anomaly M: |
179.514293°
| |
perihelion passage TP: |
2012 Feb 05.1439
| |
Epoch: |
2014 May 23
| |
data arc: |
1951-2014
(962 obs.)
| |
Earth MOID: |
1.2842 AU
| |
Jupiter Tisserand invariant TJ: |
3.301
|
orbital data, secondary:
|
binary dynamical type: | B [P07f] | |
semimajor axis as: |
31
km
[*E]
| |
separation/primary radius as/rp: | 4.2 [*E] | |
separation/Hill radius as/rH: | 0.013 [*D] | |
orbital period Ps: |
1.109
± 0.00004
d [B06a]
| |
eccentricity es: |
?
| |
normalized ang. mom. αL: |
1.46
[P07f]
|
|
other data, system (combined):
|
absolute mag. H: |
12.8
[MPC]
| |
slope parameter G: |
(0.15) [*A]
| |
effective diameter dE: |
17.36
± 0.7
km [M11b]
| |
geometric albedo: |
0.041
± 0.016
[M11b]
| |
color index U-B: |
?
| |
color index B-V: |
?
| |
taxonomic type: |
?
| |
mass m: |
1.88x1015
kg [*D]
| |
density ρ: |
0.91
± 0.1
g/cm3[B06a]
| |
Hill radius rH: |
2300 km [*D]
|
other data, primary:
|
diameter dp: |
14.6
± 0.59
km [*D]
| |
rotation period RPp: |
26.606
± 0.001
h [B06a]
| |
amplitude in mag., rotational ΔM: |
0.48
± 0.01
[B06a]
| |
amplitude in mag., mutual events ΔM: | 0.65 ±0.03 [B06a] | |
pole direction Β, λ: |
?
,
?
|
other data, secondary:
|
diameter ds: |
9.39
km [*D]
| |
diameter ratio ds/dp: |
0.643
[B06a]
| |
component mag. difference ΔM: |
0.96
[*D]
| |
rotation period RPs: |
?
| |
|
|
--
(4492) Debussy
--discovery and notes:
Primary discovered
1988 Sep 17
from
Haute Provence, France
by
E. W. Elst.
Alternate designation(s):
1988 SH,
1979 SZ10, 1979 VF1, 1981 EC.
Linked to prediscovery observations from 1951 Aug 06.
Permanent number assigned 1990 Jun 08.
Named 1990 Oct 04 for Claude Debussy (1862-1918) [MPC17031].
Companion discovered
2002 Oct 30
by R. Behrend, et al.
using
lightcurve
observations.
Announced
2004 Jun 15 [B04d].
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
- Descamps, P. 2010, Icarus Equilibrium figures of inhomogeneous synchronous binary asteroids
- Polinska, M., Bartczak, P., Michalowski, T., Marchis, F., Pollock, J., Colas, F., Lecacheux, J., Baek, M., Macomber, B., Wong, M. H., Reichart, D. E., Ivarsen, K. M., Crain, J. A., Nysewander, M. C., Lacluyze, A. P., Haislip, J. B., Harvey, J. S., Ribas, F. B., Assafin, M., Camargo, J. I. B., & Vieira Martins, R. 2008, LPI Contributions CCD Observations and Modeling of 4492 Debussy Eclipsing Asteroid
- Behrend, R., Bernasconi, L., Roy, R., Klotz, A., Colas, F., Antonini, P., Aoun, R., Augustesen, K., Barbotin, E., Berger, N., Berrouachdi, H., Brochard, E., Cazenave, A., Cavadore, C., Coloma, J., Cotrez, V., Deconihout, S., Demeautis, C., Dorseuil, J., Dubos, G., Durkee, R., Frappa, E., Hormuth, F., Itkonen, T., Jacques, C., Kurtze, L., Laffont, A., Lavayssière, M., Lecacheux, J., Leroy, A., Manzini, F., Masi, G., Matter, D., Michelsen, R., Nomen, J., Oksanen, A., Pääkkönen, P., Peyrot, A., Pimentel, E., Pray, D., Rinner, C., Sanchez, S., Sonnenberg, K., Sposetti, S., Starkey, D., Stoss, R., Teng, J.-P., Vignand, M., & Waelchli, N. 2006, Astronomy and Astrophysics Four new binary minor planets: (854) Frostia, (1089) Tama, (1313) Berna, (4492) Debussy
- Behrend, R., Bernasconi, L., Klotz, A., & Durkee, R. 2004, International Astronomical Union Circular (854) Frostia
- Behrend, R. 2004, International Astronomical Union Circular (4492) Debussy
©
2004-2006, 2014
by Wm. Robert Johnston.
Last modified
21 September 2014.
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