(58534)

Logos and Zoe (original) (raw)

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 AUorbital period **P:**306.347 yr (= 111893.1 d)eccentricity **e:**0.12372perihelion distance **q:**39.8212 AUaphelion distance **Q:**51.065 AUinclination **i:**2.89533°argument of perihelion **ω:**337.780°ascending node **Ω:**132.5057°mean anomaly **M:**55.772°perihelion passage **TP:1966 Dec 06Epoch:2014 May 23data arc:1997-2012 (61 obs.)Earth MOID:**38.8378 AUJupiter 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 21.5normalized 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 ± 6.9x1015kg [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:


© 2002-2012, 2014 by Wm. Robert Johnston.
Last modified 20 September 2014.
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