(1717)
Arlon
Asteroids with Satellites Database--Johnston's Archive
(1717)
Arlon
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
orbital data, primary (osculating elements)
[JPL]
: |
semimajor axis a: |
2.1956133357 AU
| |
orbital period P: |
3.253433934 yr
(= 1188.3167445 d)
| |
eccentricity e: |
0.1285790647
| |
perihelion distance q: |
1.913303427 AU
| |
aphelion distance Q: |
2.4779232448 AU
| |
inclination i: |
6.19158684°
| |
argument of perihelion ω: |
116.3880453°
| |
ascending node Ω: |
340.4240032°
| |
mean anomaly M: |
286.4650977°
| |
perihelion passage TP: |
2022 Feb 28.729877
| |
Epoch: |
2021 Jul 01
| |
data arc: |
1930-2021
(3168 obs.)
| |
Earth MOID: |
0.939575 AU
| |
Jupiter Tisserand invariant TJ: |
3.651
|
orbital data, secondary:
|
binary dynamical type: | A [M09a] | |
semimajor axis as: |
54
km
[*E]
| |
separation/primary radius as/rp: | 13.2 [*E] | |
separation/Hill radius as/rH: | 0.043 [*E] | |
orbital period Ps: |
4.88
d [C06d]
| |
eccentricity es: |
?
| |
normalized ang. mom. αL: |
2.02
[M09a]
|
|
other data, system (combined):
|
absolute mag. H: |
12.32
[MPC]
| |
slope parameter G: |
(0.15) [*A]
| |
effective diameter dE: |
9.13
± 0.17
km [M11b]
| |
geometric albedo: |
0.249
± 0.042
[M11b]
| |
color index U-B: |
?
| |
color index B-V: |
?
| |
taxonomic type: |
S (Tholen) [JPL]
| |
mass m: |
?
| |
density ρ: |
(1.6
g/cm3) [*A]
| |
Hill radius rH: |
1300 km [*E]
|
other data, primary:
|
diameter dp: |
8.17
± 0.15
km [*D]
| |
rotation period RPp: |
5.148
h [C06d]
| |
amplitude in mag., rotational ΔM: |
0.08
[C06a]
| |
pole direction Β, λ: |
?
,
?
|
other data, secondary:
|
diameter ds: |
>4.08
km [*D]
| |
diameter ratio ds/dp: |
>0.5
[C06a]
| |
component mag. difference ΔM: |
<1.51
[*E]
| |
rotation period RPs: |
18.23
h [C06d]
| |
|
|
--
(1717) Arlon
--discovery and notes:
Primary discovered
1954 Jan 08
from
Uccle, Belgium
by
S. J. Arend.
Alternate designation(s):
1954 AC,
1930 YU, 1941 BJ, 1946 UB, 1951 GQ, 1954 CE, 1977 FQ3, 1978 PC5, A915 CC.
Linked to prediscovery observations from 1930 Dec 20.
Permanent number assigned -.
Named 1983 Sep 22 for the town of Arlon, Luxembourg province, Belgium [MPC008150].
Companion discovered
2005 Dec 04
by W. Cooney, J. Gross, D. Terrell, R. Stephens, P. Pravec, P. Kusnirak, R. Durkee, and A. Galad
using
lightcurve
observations from Sonoita Research Observatory, Sonoita, Arizona, USA; Yucca Valley, California, USA; Ondrejov Observatory, Czech Republic; Minneapolis, Minnesota, USA; Modra Observatory, Slovakia.
Announced
2006 Jan 17 [C06a].
--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
- Brinsfield, James W. 2009, Minor Planet Bulletin Asteroid Lightcurve Analysis at the Via Capote Observatory: 2008 4th Quarter
- Cooney, W., Gross, J., Terrell, D., Pravec, P., Kusnirak, P., Pray, D., Krugly, Yu., Kornos, L., Vilagi, J., Gajdos, S., Galad, A., Reddy, V., Dyvig, R., Nudds, S., Kanuchova, Z., Pikler, M., & Husarik, M. 2006, Central Bureau Electronic Telegrams (1717) Arlon
- Cooney, W., Gross, J., Terrell, D., Stephens, R., Pravec, P., Kusnirak, P., Durkee, R., & Galad, A. 2006, Central Bureau Electronic Telegrams (1717) Arlon
©
2006-2014, 2021
by Wm. Robert Johnston.
Last modified
9 October 2021.
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