Asteroids with Satellites Database--Johnston's Archive
(6084)
Bascom
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: |
2.312742949 AU
| |
orbital period P: |
3.517217704 yr
(= 1284.663766 d)
| |
eccentricity e: |
0.235487303
| |
perihelion distance q: |
1.76812135 AU
| |
aphelion distance Q: |
2.857364548 AU
| |
inclination i: |
23.0141236°
| |
argument of perihelion ω: |
258.627126°
| |
ascending node Ω: |
147.285867°
| |
mean anomaly M: |
187.381330°
| |
perihelion passage TP: |
2016 Jan 28.99152
| |
Epoch: |
2014 May 23
| |
data arc: |
1950-2014
(941 obs.)
| |
Earth MOID: |
0.906896 AU
| |
Jupiter Tisserand invariant TJ: |
3.443
|
orbital data, secondary:
|
binary dynamical type: | A [P07f] | |
semimajor axis as: |
20
km
[*E]
| |
separation/primary radius as/rp: | 6.7 [*E] | |
separation/Hill radius as/rH: | 0.024 [*E] | |
orbital period Ps: |
1.813
d [H06c]
| |
eccentricity es: |
?
| |
normalized ang. mom. αL: |
1.23
[P07f]
|
|
other data, system (combined):
|
absolute mag. H: |
12.8
[MPC]
12.8 ± 0.1 [H06c]
| |
slope parameter G: |
(0.15) [*A]
| |
effective diameter dE: |
6.35
± 0.22
km [M11b]
| |
geometric albedo: |
0.22
± 0.03
[M11b]
| |
color index U-B: |
?
| |
color index B-V: |
?
| |
taxonomic type: |
?
| |
mass m: |
?
| |
density ρ: |
(1.6
g/cm3) [*A]
| |
Hill radius rH: |
830 km [*E]
|
other data, primary:
|
diameter dp: |
5.96
± 0.21
km [*D]
| |
rotation period RPp: |
2.745
h [H06c]
| |
amplitude in mag., rotational ΔM: |
0.22
[H06c]
| |
amplitude in mag., mutual events ΔM: | 0.15 ±0.03 [H06c] | |
pole direction Β, λ: |
?
,
?
|
other data, secondary:
|
diameter ds: |
2.2
± 0.14
km [*D]
| |
diameter ratio ds/dp: |
0.37
± 0.02
[H06c]
| |
component mag. difference ΔM: |
2.2
± 0.1
[*D]
| |
rotation period RPs: |
?
| |
|
|
--
(6084) Bascom
--discovery and notes:
Primary discovered
1985 Feb 12
from
Palomar Observatory, California, USA
by
C. S. Shoemaker and E. M. Shoemaker.
Alternate designation(s):
1985 CT,
1978 EC6, 1992 BM1.
Linked to prediscovery observations from 1950 Mar 17.
Permanent number assigned 1994 Sep 19.
Named 1998 Apr 11 for Florence Bascom (1862-1945) [MPC31610].
Companion discovered
2005 Dec 29
by D. Higgins, P. Pravec, P. Kusnirak, L. Sarounova, S. Gajdos, A. Galad, and J. Vilagi
using
lightcurve
observations from Ondrejov Observatory, Czech Republic; Modra Observatory, Slovakia.
Announced
2006 Feb 06 [H06c].
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
- Higgins, D., Pravec, P., Kusnirak, P., Sarounova, L., Gajdos, S., Galad, A., & Vilagi, J. 2006, Central Bureau Electronic Telegrams (6084) Bascom
©
2006-2008, 2014
by Wm. Robert Johnston.
Last modified
21 September 2014.
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