Asteroids with Satellites Database--Johnston's Archive
(4337)
Arecibo
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: |
3.259185639 AU
| |
orbital period P: |
5.88387783 yr
(= 2149.126968 d)
| |
eccentricity e: |
0.090421999
| |
perihelion distance q: |
2.964483557 AU
| |
aphelion distance Q: |
3.55388772 AU
| |
inclination i: |
2.2132009°
| |
argument of perihelion ω: |
181.619254°
| |
ascending node Ω: |
41.2072397°
| |
mean anomaly M: |
5.0464913°
| |
perihelion passage TP: |
2020 Nov 16.873471
| |
Epoch: |
2020 Dec 17
| |
data arc: |
1933-2020
(2421 obs.)
| |
Earth MOID: |
1.95458 AU
| |
Jupiter Tisserand invariant TJ: |
3.172
|
orbital data, secondary:
|
semimajor axis as: |
48
km
(separation)
[G21a]
| |
separation/primary radius as/rp: | 4.0 [*E] | |
separation/Hill radius as/rH: | 0.0082 [*E] | |
orbital period Ps: |
0.8
d [*E]
| |
eccentricity es: |
?
| |
normalized ang. mom. αL: |
?
|
|
other data, system (combined):
|
absolute mag. H: |
12.36
[MPC]
| |
slope parameter G: |
(0.15) [*A]
| |
effective diameter dE: |
19.69
± 0.24
km [M11b]
| |
geometric albedo: |
0.077
± 0.004
[M11b]
| |
color index U-B: |
?
| |
color index B-V: |
?
| |
taxonomic type: |
?
| |
mass m: |
?
| |
density ρ: |
(1.6
g/cm3) [*A]
| |
Hill radius rH: |
5900 km [*E]
|
other data, primary:
|
diameter dp: |
24.3
± 0.6
km [G21a]
| |
rotation period RPp: |
?
| |
amplitude in mag., rotational ΔM: |
?
| |
pole direction Β, λ: |
?
,
?
|
other data, secondary:
|
diameter ds: |
13
± 1.5
km [G21a]
| |
diameter ratio ds/dp: |
0.53
[*D]
| |
component mag. difference ΔM: |
1.4
[*D]
| |
rotation period RPs: |
?
| |
|
|
--
(4337) Arecibo
--discovery and notes:
Primary discovered
1985 Apr 14
from
Flagstaff, Arizona, USA
by
E. Bowell.
Alternate designation(s):
1985 GB,
1933 HE, 1979 FR3, 1979 HG2.
Linked to prediscovery observations from 1933 Apr 24.
Permanent number assigned 1990 Jan 11.
Named 1990 Jun 08 for the radio observatory in Puerto Rico [MPC016445].
Companion discovered
2021 May 20
by Nosworthy, P., and D. Gault
using
stellar occultation
observations.
Announced
2021 Jun 20 [N21a].
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
©
2021, 2022
by Wm. Robert Johnston.
Last modified
30 April 2022
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