Asteroids with Satellites Database--Johnston's Archive
(9010)
Candelo
compiled by Wm. Robert Johnston
last updated
22 March 2025
--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: |
2.28033898901 AU
| |
orbital period P: |
3.44355736012 yr
(= 1257.75932579 d)
| |
eccentricity e: |
0.10977344537
| |
perihelion distance q: |
2.0300183216 AU
| |
aphelion distance Q: |
2.53065965646 AU
| |
inclination i: |
2.519792764°
| |
argument of perihelion ω: |
160.7778001°
| |
ascending node Ω: |
24.7240379°
| |
mean anomaly M: |
344.91067496°
| |
perihelion passage TP: |
2025 Jun 26.7187202
| |
Epoch: |
2025 May 05
| |
data arc: |
1984-2025
(3972 obs.)
| |
Earth MOID: |
1.03161 AU
| |
Jupiter Tisserand invariant TJ: |
3.597
|
orbital data, secondary:
|
semimajor axis as: |
7.6
km
[*E]
| |
separation/primary radius as/rp: | 2.9 [*E] | |
separation/Hill radius as/rH: | 0.0092 [*E] | |
orbital period Ps: |
0.5399
± 0.0001
d [B25g]
| |
eccentricity es: |
?
| |
normalized ang. mom. αL: |
?
|
|
other data, system (combined):
|
absolute mag. H: |
13.98
[MPC]
| |
slope parameter G: |
(0.15) [*A]
| |
effective diameter dE: |
5.31
km [*E]
| |
geometric albedo: |
(0.16
) [*A]
| |
color index U-B: |
?
| |
color index B-V: |
?
| |
color index J-H: | 0.494 ± 0.059 [S10b] | |
taxonomic type: |
?
| |
mass m: |
?
| |
density ρ: |
(1.6
g/cm3) [*A]
| |
Hill radius rH: |
820 km [*E]
|
other data, primary:
|
diameter dp: |
5.17
km [*E]
| |
axial ratios a/b, b/c: | 1.1, ? [*E] | |
rotation period RPp: |
3.1349
± 0.0005
h [B25g]
| |
amplitude in mag., rotational ΔM: |
0.1
[B25g]
| |
amplitude in mag., mutual events ΔM: | 0.06 [B25g] | |
pole direction Β, λ: |
?
,
?
|
other data, secondary:
|
diameter ds: |
1.24
km [*E]
| |
diameter ratio ds/dp: |
0.24
± 0.02
[B25g]
| |
component mag. difference ΔM: |
3.10
± 0.18
[*D]
| |
rotation period RPs: |
?
| |
|
|
--
(9010) Candelo
--discovery and notes:
Primary discovered
1984 Apr 27
from
European Southern Observatory, La Silla, Chile
by
V. Zappala.
Alternate designation(s):
1984 HM1,
1991 JO6, 1994 CJ.
Linked to prediscovery observations from 1984 Mar 29.
Permanent number assigned 1998 Aug 08.
Named 2008 May 20 for the town of Candelo, Piedmont, Italy [MPC062928].
Companion discovered
2025 Jan 26
by V. Benishek, P. Pravec, and R. Durkee
using
lightcurve
observations from Sopot Observatory, Serbia; Shed of Science South Observatory, Pontotoc, Texas, USA.
Announced
2025 Mar 20 [B25g].
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
©
2025
by Wm. Robert Johnston.
Last modified
22 March 2025.
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