Asteroids with Satellites Database--Johnston's Archive
(3841)
Dicicco
compiled by Wm. Robert Johnston
last updated
16 November 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: |
2.273965163 AU
| |
orbital period P: |
3.429064945 yr
(= 1252.489626 d)
| |
eccentricity e: |
0.159655797
| |
perihelion distance q: |
1.91091344 AU
| |
aphelion distance Q: |
2.637016883 AU
| |
inclination i: |
5.2221333°
| |
argument of perihelion ω: |
359.746895°
| |
ascending node Ω: |
46.124489°
| |
mean anomaly M: |
18.268248°
| |
perihelion passage TP: |
2014 Oct 06.442246
| |
Epoch: |
2014 Dec 09
| |
data arc: |
1973-2014
(1075 obs.)
| |
Earth MOID: |
0.920002 AU
| |
Jupiter Tisserand invariant TJ: |
3.588
|
orbital data, secondary:
|
semimajor axis as: |
12
km
[*E]
| |
separation/primary radius as/rp: | 4 [*E] | |
separation/Hill radius as/rH: | 0.013 [*D] | |
orbital period Ps: |
0.9012
± 0.0008
d [F14b]
| |
eccentricity es: |
?
| |
normalized ang. mom. αL: |
?
|
|
other data, system (combined):
|
absolute mag. H: |
12.9
[MPC]
| |
slope parameter G: |
(0.15) [*A]
| |
effective diameter dE: |
6.25
± 0.11
km [M11b]
| |
geometric albedo: |
0.313
± 0.034
[M11b]
| |
color index U-B: |
?
| |
color index B-V: |
?
| |
taxonomic type: |
S (SMASSII) [JPL]
| |
mass m: |
?
| |
density ρ: |
(1.6
g/cm3) [*A]
| |
Hill radius rH: |
900 km [*D]
|
other data, primary:
|
diameter dp: |
6.02
km [*D]
| |
rotation period RPp: |
3.5949
± 0.0002
h [F14b]
| |
amplitude in mag., rotational ΔM: |
?
| |
pole direction Β, λ: |
?
,
?
|
other data, secondary:
|
diameter ds: |
>1.67
km [*D]
| |
diameter ratio ds/dp: |
>0.28
[F14b]
| |
component mag. difference ΔM: |
<2.8
[*D]
| |
rotation period RPs: |
?
| |
|
|
--
(3841) Dicicco
--discovery and notes:
Primary discovered
1983 Nov 04
from
Anderson Mesa Station, Arizona, USA
by
B. A. Skiff.
Alternate designation(s):
1983 VG7,
1973 YM2, 1982 KA2.
Linked to prediscovery observations from 1973 Dec 20.
Permanent number assigned 1988 Jun 29.
Named 1990 Apr 10 for Dennis di Cicco (1950-) [MPC16246].
Companion discovered
2014
by L. Franco, D. Klinglesmith, P. Pravec
using
lightcurve
observations from Balzaretto Observatory, Italy; Etscorn Campus Observatory, Socorro, New Mexico, USA; Ondrojov Observatory, Czech Republic.
Announced
2014 Dec 08 [F14b].
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
©
2014
by Wm. Robert Johnston.
Last modified
16 November 2014.
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