XMM-Newton Science Analysis System
orbit (orbit-3.0) [xmmsas_20211130_0941-20.0.0]
The ODF Orbit file iis described in [1]. The Periodic
Housekeeping data is described in [2]. The GEI to GSE
coordinate conversion utilizes (Hapgood, 1992 [])
XMM-Newton SOC -- 2021-11-30