Asteroids with Satellites Database--Johnston's Archive

(17081) Jaytee

compiled by Wm. Robert Johnston
last updated 9 October 2021

--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: 2.3155416755 AU
orbital period P: 3.52353754 yr
(= 1286.996393 d)
eccentricity e: 0.214474728
perihelion distance q: 1.818916504 AU
aphelion distance Q: 2.8121668472 AU
inclination i: 6.4134076°
argument of perihelion ω: 207.667735°
ascending node Ω: 153.770511°
mean anomaly M: 323.913781°
perihelion passage TP: 2021 Nov 07.007871
Epoch: 2021 Jul 01
data arc: 1985-2021 (2346 obs.)
Earth MOID: 0.817434 AU
Jupiter Tisserand invariant TJ: 3.542


orbital data, secondary:
semimajor axis as: 7.5 km [*E]
separation/primary radius as/rp:3.4 [*E]
separation/Hill radius as/rH:0.012 [*E]
orbital period Ps: 0.6809 ± 0.0004 d [V21a]
eccentricity es: ?
normalized ang. mom. αL: ?

other data, system (combined):
absolute mag. H: 14.08 [MPC]
slope parameter G: (0.15) [*A]
effective diameter dE: 4.52 ± 0.17 km [M**]
geometric albedo: 0.239 ± 0.034 [M**]
color index U-B: ?
color index B-V: ?
taxonomic type: ?
mass m: ?
density ρ: (1.6 g/cm3) [*A]
Hill radius rH: 620 km [*E]

other data, primary:
diameter dp: 4.37 ± 0.16 km [*D]
rotation period RPp: 2.8818 ± 0.0002 h [V21a]
amplitude in mag., rotational ΔM: 0.17 [V21a]
amplitude in mag., mutual events ΔM:0.105 ±0.035 [V21a]
pole direction Β, λ: ? , ?


other data, secondary:
diameter ds: >1.14 km [*D]
diameter ratio ds/dp: >0.26 [V21a]
component mag. difference ΔM: <2.9 [*D]
rotation period RPs: ?

-- (17081) Jaytee --discovery and notes:

Primary discovered 1999 May 08 from Catalina Station, Arizona, USA by Catalina Sky Survey. Alternate designation(s): 1999 JT1, 1986 VZ1. Linked to prediscovery observations from 1985 Mar 23. Permanent number assigned 2000 Sep 13.

Named 2006 Jun 13 for Joseph T. Williams (1936-) [MPC056960].

Companion discovered 2021 Sep by Vachier, F., P. Pravec, P. Kusnirak, V. Chiorny, J. Oey, R. Durkee, V. Benishek, P. Thierry, A. Klotz, and J. Berthier using lightcurve observations from Observatoire des Makes, Reunion; Chuguev Station, Kharkiv Observatory, Ukraine; Blue Mountains Observatory, Leura, New South Wales, Australia; Shed of Science South Observatory, Pontotoc, Texas, USA; Sopot Observatory, Serbia. Announced 2021 Sep 25 [V21a].

--Links, more technical:

--Links, less technical:

--Links to ADS abstracts:


© 2021 by Wm. Robert Johnston.
Last modified 9 October 2021.
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