Asteroids with Satellites Database--Johnston's Archive
(1509)
Esclangona
and S/2003 (1509) 1
compiled by Wm. Robert Johnston
last updated
9 October 2021
--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, Hungaria
orbital data, primary (osculating elements)
[JPL]
: |
semimajor axis a: |
1.8660946059 AU
| |
orbital period P: |
2.54922805 yr
(= 931.1055453 d)
| |
eccentricity e: |
0.032131239
| |
perihelion distance q: |
1.806134673 AU
| |
aphelion distance Q: |
1.9260545383 AU
| |
inclination i: |
22.32426114°
| |
argument of perihelion ω: |
267.545077°
| |
ascending node Ω: |
283.5121643°
| |
mean anomaly M: |
45.040289°
| |
perihelion passage TP: |
2021 Mar 06.507603
| |
Epoch: |
2021 Jul 01
| |
data arc: |
1938-2021
(2472 obs.)
| |
Earth MOID: |
0.844747 AU
| |
Jupiter Tisserand invariant TJ: |
3.896
|
orbital data, secondary:
|
binary dynamical type: | W [P07f] | |
semimajor axis as: |
140
km
(separation)
[M03a]
| |
separation/primary radius as/rp: | 36.1 [*E] | |
separation/Hill radius as/rH: | 0.13 [*E] | |
orbital period Ps: |
23
d [*E]
| |
eccentricity es: |
?
| |
normalized ang. mom. αL: |
1.47
[M09a]
|
|
other data, system (combined):
|
absolute mag. H: |
12.59
[MPC]
| |
slope parameter G: |
(0.15) [*A]
| |
effective diameter dE: |
8.17
± 0.6
km [T04c]
| |
geometric albedo: |
0.233
± 0.038
[T04c]
| |
color index U-B: |
0.472
[T95a]
| |
color index B-V: |
0.894
[T95a]
| |
taxonomic type: |
S (Tholen) [JPL]
| |
mass m: |
?
| |
density ρ: |
(1.6
g/cm3) [*A]
| |
Hill radius rH: |
1100 km [*E]
|
other data, primary:
|
diameter dp: |
7.76
± 0.57
km [*D]
| |
rotation period RPp: |
3.253
± 0
h [W10c]
| |
amplitude in mag., rotational ΔM: |
0.12
[H03a]
| |
pole direction Β, λ: |
?
,
?
|
other data, secondary:
|
diameter ds: |
2.57
km [*D]
| |
axial ratios a/b, b/c: | 1.29;? [P16d] | |
diameter ratio ds/dp: |
0.331
[M03a]
| |
component mag. difference ΔM: |
2.40
[*D]
| |
rotation period RPs: |
6.6422
± 0.0004
h [P16d]
| |
|
|
--
(1509) Esclangona and S/2003 (1509) 1
--discovery and notes:
Primary discovered
1938 Dec 21
from
Nice, France
by
A. Patry.
Alternate designation(s):
1938 YG
.
Permanent number assigned 1940 Oct 30.
Named - for Ernest Esclangon (1876-1954) [-].
Companion discovered
2003 Feb 13
by W. J. Merline, L. M. Close, P. M. Tamblyn, F. Menard, C. R. Chapman, C. Dumas, G. Duvert, W. M. Owen, D. C. Slater, and M. F. Sterzik
using
adaptive optics telescope
observations from Very Large Telescope, European Southern Observatory, Cerro Paranal, Chile.
Announced
2003 Feb 18 [M03a].
Provisional designation S/2003 (1509) 1.
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
- Jacobson, Seth A., Scheeres, Daniel J., & McMahon, Jay 2014, The Astrophysical Journal Formation of the Wide Asynchronous Binary Asteroid Population
- Warner, Brian D. 2013, Minor Planet Bulletin Asteroid Lightcurve Analysis at the Palmer Divide Observatory: 2013 January - March
- Lucas, Michael, Emery, J. P., & Takir, D. 2012, AAS/Division for Planetary Sciences Meeting Abstracts Dunites In The Sky? VNIR Spectra Of Six Suspected A-class Asteroids
- Polishook, D., Brosch, N., & Prialnik, D. 2011, Icarus Rotation periods of binary asteroids with large separations - Confronting the Escaping Ejecta Binaries model with observations
- Warner, Brian D., Pravec, Petr, Kusnirak, Peter, Hornoch, K., Harris, Alan, Stephens, Robert D., Casulli, Silvano, Cooney, Walter R., Jr., Gross, John, Terrell, Dirk, Durkee, Russ, Gajdos, Stefan, Galad, Adrian, Kornos, Leonard, Toth, Juraj, Vilagi, Josef, Husarik, Marek, Marchis, Franck, Reiss, A. E., Polishook, David, Roy, Rene, Behrend, Raoul, Pollock, Joseph, Reichart, Daniel, Ivarsen, Kevin, Haislip, Josh, Lacluyze, Aaron, Nysewander, Melissa, Pray, Donald P., & Vachier, Fred 2010, Minor Planet Bulletin A Trio of Hungaria Binary Asteroids
- Merline, W. J., Tamblyn, P. M., Drummond, J. D., Christou, J. C., Conrad, A. R., Keck Observatory, W. M., Carry, B., Chapman, C. R., Dumas, C., Durda, D. D., Owen, W. M., & Enke, B. L. 2009, International Astronomical Union Circular S/2009 (317) 1
- Merline, W. J., Tamblyn, P. M., Drummond, J. D., Christou, J. C., Conrad, A. R., Keck Observatory, W. M., Carry, B., Chapman, C. R., Dumas, C., Durda, D. D., Owen, W. M., & Enke, B. L. 2009, Central Bureau Electronic Telegrams S/2009 (317) 1
- Warner, B. D., Pravec, P., Kusnirak, P., Harris, A. W., Durkee, R., Stephens, R. D., Husarik, M., Pikler, M., Marchis, F., Reiss, A. E., Vilagi, J., Gajdos, S., Kornos, L., Cooney, W., Gross, J., Terrell, D., & Vachier, F. 2009, Central Bureau Electronic Telegrams (1509) Esclangona
- Polishook, D., Brosch, N., Prialnik, D., & Kaspi, S. 2009, Meteoritics and Planetary Science Simultaneous spectroscopic and photometric observations of binary asteroids
- Marchis, Franck, Berthier, Jerome, Descamps, Pascal, & Hestroffer, Daniel 2006, NOAO Proposal Refining the Orbits of Known Main-Belt Binary Asteroids
- Warner, Brian D. 2005, Minor Planet Bulletin Asteroid lightcurve analysis at the Palmer Divide Observatory - winter 2004-2005
- Merline, W. J., Close, L. M., Dumas, C., Chapman, C. R., Menard, F., Tamblyn, P. M., & Durda, D. D. 2003, Bulletin of the American Astronomical Society Discovery of new asteroid binaries (121) Hermione and (1509) Esclangona
- Merline, W. J., Close, L. M., Tamblyn, P. M., Menard, F., Chapman, C. R., Dumas, C., Duvert, G., Owen, W. M., Slater, D. C., & Sterzik, M. F. 2003, International Astronomical Union Circular S/2003 (1509) 1
- Patry, A. 1939, Journal des Observateurs Orbites provisions des petites Planètes:1938 YG
©
2003-2014, 2021
by Wm. Robert Johnston.
Last modified
9 October 2021.
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