Asteroids with Satellites Database--Johnston's Archive
(27675)
Paulmaley
compiled by Wm. Robert Johnston
last updated
30 April 2022
--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: |
2.3517011824 AU
| |
orbital period P: |
3.6063942862 yr
(= 1317.2603911 d)
| |
eccentricity e: |
0.190773033
| |
perihelion distance q: |
1.90306002 AU
| |
aphelion distance Q: |
2.800342349 AU
| |
inclination i: |
24.6966664°
| |
argument of perihelion ω: |
186.263015°
| |
ascending node Ω: |
316.228856°
| |
mean anomaly M: |
207.779276°
| |
perihelion passage TP: |
2020 Nov 03.984252
| |
Epoch: |
2019 Apr 27
| |
data arc: |
1981-2019
(1451 obs.)
| |
Earth MOID: |
0.917947 AU
| |
Jupiter Tisserand invariant TJ: |
3.412
|
orbital data, secondary:
|
semimajor axis as: |
32
km
[*E]
| |
separation/primary radius as/rp: | 12.8 [*E] | |
separation/Hill radius as/rH: | 0.043 [*E] | |
orbital period Ps: |
5.004
± 0.02
d [P17b]
| |
eccentricity es: |
?
| |
normalized ang. mom. αL: |
?
|
|
other data, system (combined):
|
absolute mag. H: |
13.5
[MPC]
| |
slope parameter G: |
(0.15) [*A]
| |
effective diameter dE: |
5.09
± 0.20
km [M14c]
| |
geometric albedo: |
0.238
± 0.037
[M14c]
| |
color index U-B: |
?
| |
color index B-V: |
?
| |
taxonomic type: |
?
| |
mass m: |
?
| |
density ρ: |
(1.6
g/cm3) [*A]
| |
Hill radius rH: |
740 km [*E]
|
other data, primary:
|
diameter dp: |
4.99
± 0.2
km [*D]
| |
rotation period RPp: |
2.966
h [P17b]
| |
amplitude in mag., rotational ΔM: |
?
| |
pole direction Β, λ: |
?
,
?
|
other data, secondary:
|
diameter ds: |
>1
| |
diameter ratio ds/dp: |
>0.2
[P17b]
| |
component mag. difference ΔM: |
<3.5
[*D]
| |
rotation period RPs: |
?
| |
|
|
--
(27675) Paulmaley
--discovery and notes:
Primary discovered
1981 Feb 02
from
Klet, Czech Republic
by
L. Brozek.
Alternate designation(s):
1981 CH,
1999 JL6.
Permanent number assigned 2001 Sep 02.
Named 2019 Aug 27 for Paul D. Maley (1947-) [MPC115894].
Companion discovered
2017
by D. Pray, P. Pravec, H. Kucakova, K. Hornoch, P. Kusnirak, J. Vrastil, A. Carbognani, A. Aznar, V. Benishek, W. Cooney, J. Gross, D. Terrell, R. Montaigut, and A. Leroy
using
lightcurve
observations.
Announced
2017 Feb 14 [P17b].
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
©
2017-2020, 2022
by Wm. Robert Johnston.
Last modified
30 April 2022.
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