Asteroids with Satellites Database--Johnston's Archive
(32008)
Adriangalad
compiled by Wm. Robert Johnston
last updated
21 June 2016
--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: |
2.192129962 AU
| |
orbital period P: |
3.245694573 yr
(= 1185.489943 d)
| |
eccentricity e: |
0.192345615
| |
perihelion distance q: |
1.77048338 AU
| |
aphelion distance Q: |
2.613776547 AU
| |
inclination i: |
6.3013807°
| |
argument of perihelion ω: |
143.854747°
| |
ascending node Ω: |
221.937638°
| |
mean anomaly M: |
1.853279°
| |
perihelion passage TP: |
2014 May 16.89709
| |
Epoch: |
2014 May 23
| |
data arc: |
1991-2013
(783 obs.)
| |
Earth MOID: |
0.772728 AU
| |
Jupiter Tisserand invariant TJ: |
3.64
|
orbital data, secondary:
|
binary dynamical type: | A [M09a] | |
semimajor axis as: |
13
km
[*E]
| |
separation/primary radius as/rp: | 6.1 [*E] | |
separation/Hill radius as/rH: | 0.022 [*E] | |
orbital period Ps: |
1.677
± 0.0008
d [P07b]
| |
eccentricity es: |
?
| |
normalized ang. mom. αL: |
1.41
[M09a]
|
|
other data, system (combined):
|
absolute mag. H: |
14.4
[MPC]
14.17 ± 0.1 [P07b]
| |
slope parameter G: |
(0.15) [*A]
| |
effective diameter dE: |
4.56
km [*E]
| |
geometric albedo: |
(0.16
) [*A]
| |
color index U-B: |
?
| |
color index B-V: |
?
| |
taxonomic type: |
?
| |
mass m: |
?
| |
density ρ: |
(1.6
g/cm3) [*A]
| |
Hill radius rH: |
590 km [*E]
|
other data, primary:
|
diameter dp: |
4.23
km [*E]
| |
rotation period RPp: |
3.0171
± 0.0001
h [P07b]
| |
amplitude in mag., rotational ΔM: |
0.19
[P07b]
| |
pole direction Β, λ: |
?
,
?
|
other data, secondary:
|
diameter ds: |
1.69
km [*E]
| |
diameter ratio ds/dp: |
>0.4
[P07b]
| |
component mag. difference ΔM: |
<2.0
[*D]
| |
rotation period RPs: |
?
| |
|
|
--
(32008) Adriangalad
--discovery and notes:
Primary discovered
2000 Apr 29
from
Socorro, New Mexico, USA
by
LINEAR.
Alternate designation(s):
2000 HM53,
1994 PZ39.
Linked to prediscovery observations from 1991 Nov 04.
Permanent number assigned 2001 Nov 30.
Companion discovered
2007 Aug 05
by P. Pravec, P. Kusnirak, and K. Hornoch, J. Vilagi, L. Kornos, and A. Galad, D. Higgins, V. Chiorny, D. Pray, R. Stephens, V. Reddy, and R. Dyvig
using
lightcurve
observations from Ondrejov Observatory, Czech Republic; Modra Observatory, Slovakia; Canberra, Australia; Kharkiv National University, Ukraine; Carbuncle Hill Observatory, Greene, RI; Goat Mountain Astronomical Research Station, Yucca Valley, CA; University of North Dakota, Grand Forks; Badlands Observatory, Quinn, South Dakota, USA.
Announced
2007 Sep 20 [P07b].
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
- Pravec, P., Kusnirak, P., Hornoch, K., Vilagi, J., Kornos, L., Galad, A., Higgins, D., Chiorny, V., Pray, D., Stephens, R., Reddy, V., & Dyvig, R. 2007, Central Bureau Electronic Telegrams (32008) 2000 HM53
©
2007-2014, 2016
by Wm. Robert Johnston.
Last modified
21 June 2016.
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