--Orbital and physical data--
(Seethis page for definitions of quantities; source codes in brackets, seethis 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]:
orbital data, secondary:
| other data, system (combined):
other data, primary:
other data, secondary:
|
-- 2004 PW117 --discovery and notes:
Primary discovered2004 Aug 15from Mauna Kea Observatory, Hawaii, USAby B. Gladman.
Companion discovered2019 Jul 02usingHubble Space Telescope observations.Announced2019 Aug [G19c].
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
©2019by Wm. Robert Johnston.
Last modified17 August 2019.Return toHome. Return toAstronomy and Space. Return toAsteroids with Satellites.