Asteroids with Satellites Database--Johnston's Archive
(3782)
Celle
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: |
2.416557896 AU
| |
orbital period P: |
3.756678323 yr
(= 1372.126757 d)
| |
eccentricity e: |
0.093487405
| |
perihelion distance q: |
2.19064017 AU
| |
aphelion distance Q: |
2.642475621 AU
| |
inclination i: |
5.2504557°
| |
argument of perihelion ω: |
333.691462°
| |
ascending node Ω: |
271.395789°
| |
mean anomaly M: |
240.644312°
| |
perihelion passage TP: |
2015 Aug 20.9198
| |
Epoch: |
2014 May 23
| |
data arc: |
1970-2014
(1328 obs.)
| |
Earth MOID: |
1.17837 AU
| |
Jupiter Tisserand invariant TJ: |
3.505
|
orbital data, secondary:
|
binary dynamical type: | A [P07f] | |
semimajor axis as: |
18
± 1 km
[R04a]
| |
separation/primary radius as/rp: | 6.6 [*D] | |
separation/Hill radius as/rH: | 0.017 [*D] | |
orbital period Ps: |
1.524
± 0.0012
d [R04a]
| |
eccentricity es: |
?
| |
normalized ang. mom. αL: |
1.06
[P07f]
|
|
other data, system (combined):
|
absolute mag. H: |
12.5
[MPC]
| |
slope parameter G: |
(0.15) [*A]
| |
effective diameter dE: |
5.92
± 0.23
km [M11b]
| |
geometric albedo: |
0.503
± 0.078
[M11b]
| |
color index U-B: |
?
| |
color index B-V: |
?
| |
taxonomic type: |
V (SMASSII) [JPL]
| |
mass m: |
2x1014
kg [*D]
| |
density ρ: |
2.2
± 0.4
g/cm3[R04a]
| |
Hill radius rH: |
1100 km [*D]
|
other data, primary:
|
diameter dp: |
5.44
± 0.21
km [*D]
| |
rotation period RPp: |
3.839
± 0.002
h [R04a]
| |
amplitude in mag., rotational ΔM: |
0.125
± 0.025
[R03a]
| |
pole direction Β, λ: |
?
,
?
|
other data, secondary:
|
diameter ds: |
2.34
± 0.11
km [*D]
| |
diameter ratio ds/dp: |
0.43
± 0.01
[R04a]
| |
component mag. difference ΔM: |
1.83
± 0.05
[*D]
| |
rotation period RPs: |
?
| |
|
|
--
(3782) Celle
--discovery and notes:
Primary discovered
1986 Oct 03
from
Brorfelde, Denmark
by
P. Jensen.
Alternate designation(s):
1986 TE,
1970 HD, 1972 YP, 1973 AV, 1978 NH2, 1982 OB, 1985 GR1.
Linked to prediscovery observations from 1970 Apr 28.
Permanent number assigned 1988 Apr 02.
Named 1992 Feb 18 for the city of Celle, Nidersachsen, Germany [MPC19693].
Companion discovered
2001 Sep 18
by W. H. Ryan, E. V. Ryan, C. T. Martinez, and L. Stewart
using
lightcurve
observations from Vatican Advanced Technology Telescope.
Announced
2003 May 03 [R03a].
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
- Bowens-Rubin, Rachel & Henderson, Phoebe 2014, Minor Planet Bulletin Lightcurve Results for 899 Jokaste and 3782 Celle from Wallace Astrophysical Observatory
- Ryan, William & Ryan, E. V. 2007, Bulletin of the American Astronomical Society Physical Characterization of the Vesta Family Asteroids
- Ryan, W. H., Ryan, E. V., & Martinez, C. T. 2004, Bulletin of the American Astronomical Society Unusual Lightcurves in the Vesta Family of Asteroids
- Bus, S. & Binzel, R. P. 2004, NASA Planetary Data System 3782 Celle CCD Spectrum
- Ryan, W. H., Ryan, E. V., & Martinez, C. T. 2004, Planetary and Space Science 3782 Celle: Discovery of a binary system within the Vesta family of asteroids
- Ryan, W. H., Ryan, E. V., Martinez, C. T., & Stewart, L. 2003, International Astronomical Union Circular (3782) Celle
©
2003-2006, 2014
by Wm. Robert Johnston.
Last modified
21 September 2014.
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