Asteroids with Satellites Database--Johnston's Archive
(58534)
Logos
and Zoe
compiled by Wm. Robert Johnston
last updated
20 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:
TNO, Cubewano
orbital data, primary (osculating elements)
[JPL]
: |
semimajor axis a: |
45.443 AU
| |
orbital period P: |
306.347 yr
(= 111893.1 d)
| |
eccentricity e: |
0.12372
| |
perihelion distance q: |
39.8212 AU
| |
aphelion distance Q: |
51.065 AU
| |
inclination i: |
2.89533°
| |
argument of perihelion ω: |
337.780°
| |
ascending node Ω: |
132.5057°
| |
mean anomaly M: |
55.772°
| |
perihelion passage TP: |
1966 Dec 06
| |
Epoch: |
2014 May 23
| |
data arc: |
1997-2012
(61 obs.)
| |
Earth MOID: |
38.8378 AU
| |
Jupiter Tisserand invariant TJ: |
5.972
|
| Neptune Tisserand invariant TN: | 3.10 [*D] |
orbital data, secondary:
|
semimajor axis as: |
8217
± 42 km
[G11a]
| |
separation/primary radius as/rp: | 200 [*D] | |
separation/Hill radius as/rH: | 0.032 [*D] | |
orbital period Ps: |
309.87
± 0.22
d [G11a]
| |
eccentricity es: |
0.5463
± 0.0079
[G11a]
| |
inclination is: | 95.43° ± 0.47° [G11a] | |
ascending node Ωs: | 16.07° ± 0.34° [G11a] | |
argument of pericenter ωs: | 223.8° ± 0.76° [G11a] | |
mean anomaly M: | 259.47° ± 0.66° [G11a] | |
Epoch: | 2002 Nov 21.5 | |
normalized ang. mom. αL: |
?
|
|
other data, system (combined):
|
absolute mag. H: |
6.7
[MPC]
6.42 [JPL]
| |
slope parameter G: |
(0.15) [*A]
| |
effective diameter dE: |
106
km [*D]
| |
geometric albedo: |
0.195
± 0.085/0.085
[G11a]
| |
color index U-B: |
?
| |
color index B-V: |
0.99
[B05b]
| |
color index V-R: | 0.73 ± 0.06 [B05b] | |
color index B-R: | 1.72 [B05b] | |
color index V-I: | 1.29 ± 0.03 [B05b] | |
color index R-J: | 1.11 [*D] | |
color index V-J: | 1.84 ± 0.37 [B05b] | |
taxonomic type: |
RR (G-mode) [B05b]
| |
mass m: |
4.58x1017
± 6.9x1015
kg [G11a]
| |
density ρ: |
(1
± 1/0.5
g/cm3) [*A]
| |
Hill radius rH: |
250000 km [*D]
|
other data, primary:
|
diameter dp: |
82
± 18
km [G11a]
| |
color index V-I: | 1.05 ± 0.08 [B08d] | |
rotation period RPp: |
?
| |
amplitude in mag., rotational ΔM: |
0.8
[T14a]
| |
pole direction Β, λ: |
?
,
?
|
other data, secondary:
|
diameter ds: |
67
km [*D]
| |
diameter ratio ds/dp: |
0.766
± 0.021
[S06c]
| |
component mag. difference ΔM: |
0.6
[* D]
| |
color index V-I: | 1.09± 0.18 [B08d] | |
rotation period RPs: |
?
| |
|
|
--
(58534) Logos and Zoe
--discovery and notes:
Primary discovered
1997 Feb 04
from
Mauna Kea Observatory, Hawaii, USA
by
?.
Alternate designation(s):
1997 CQ29
.
Permanent number assigned 2003 Jun 14.
Named 2006 Jun 13 for the mythological Gnostic deity [MPC56962].
Companion discovered
2001 Nov 17
by K. S. Noll, D. C. Stephens, W. M. Grundy, J. Spencer, R. Millis, M. Buie, D. Cruikshank, S. Tegler, and W. Romanishin
using
Hubble Space Telescope
observations from Hubble Space Telescope.
Announced
2002 Feb 11 [N02e].
Provisional designation S/2002 (1997 CQ29) 1.
Permanent designation I Zoe, assigned 2006 Jun 13; named for the mythological gnostic deity [MPC56962].
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
- Grundy, W. M., Noll, K. S., Nimmo, F., Roe, H. G., Buie, M. W., Porter, S. B., Benecchi, S. D., Stephens, D. C., Levison, H. F., & Stansberry, J. A. 2011, Icarus Five new and three improved mutual orbits of transneptunian binaries
- Jacobson, Seth & Margot, J. L. 2007, Bulletin of the American Astronomical Society Colors of TNO Binaries and Evidence for a Triple System from HST Observations
- Noll, K. S. 2006, International Astronomical Union Circular (42355), (58534), (65489)
- Margot, J. L., Brown, M. E., Trujillo, C. A., Sari, R., & Stansberry, J. A. 2005, Bulletin of the American Astronomical Society Kuiper Belt Binaries: Masses, Colors, and a Density
- Margot, J. L., Brown, M. E., Trujillo, C. A., & Sari, R. 2004, Bulletin of the American Astronomical Society HST observations of Kuiper Belt binaries
- Noll, K. S., Stephens, D. C., Grundy, W. M., Osip, D. J., & Griffin, I. 2004, Bulletin of the American Astronomical Society The Orbits, Masses, and Albedos of Transneptunian Binaries
- Noll, Keith S., Stephens, Denise C., Grundy, Will M., Osip, David J., & Griffin, Ian 2004, The Astronomical Journal The Orbit and Albedo of Trans-Neptunian Binary (58534) 1997 CQ<SUB>29</SUB>
- Noll, Keith S., Stephens, Denise C., Grundy, Will M., Millis, Robert L., Spencer, John, Buie, Marc W., Tegler, Stephen C., Romanishin, William, & Cruikshank, Dale P. 2002, The Astronomical Journal Detection of Two Binary Trans-Neptunian Objects, 1997 CQ<SUB>29</SUB> and 2000 CF<SUB>105</SUB>, with the Hubble Space Telescope
- Noll, K., Stephens, D., Grundy, W., Millis, R., Buie, M., Spencer, J., Tegler, S., Romanishin, W., & Cruikshank, D. 2002, Bulletin of the American Astronomical Society Discovery of Trans-Neptunian Binaries with the Hubble Space Telescope
- Barucci, M. A., Romon, J., Doressoundiram, A., & Tholen, D. J. 2000, The Astronomical Journal Compositional Surface Diversity in the Trans-Neptunian Objects
- Barucci, M. A., Romon, J., Le Bras, A., Fulchignoni, M., & Tholen, D. 1999, AAS/Division for Planetary Sciences Meeting Abstracts #31 Broad Band Optical Colors of Trans-Neptunian Objects
- Kern, S., McCarthy, D., Campins, H., Brown, R. H., Rieke, M., & Stolovy, S. 1999, AAS/Division for Planetary Sciences Meeting Abstracts #31 1-2.5 Micron Spectra of Centaurs and Trans-Neptunian Objects
- Veillet, C. & Williams, G. V. 1998, Minor Planet Electronic Circ., 1998-D05 (1998). 1997 CQ29
- Chen, J., Trujillo, C., Luu, J., Jewitt, D., Kavelaars, J. J., Brown, W., & Marsden, B. G. 1997, Minor Planet Electronic Circ., 1997-J02 (1997). 1997 CQ29
©
2002-2012, 2014
by Wm. Robert Johnston.
Last modified
20 September 2014.
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