XMM-Newton Science Analysis System
orbit (orbit-2.12) [xmmsas_20201028_0905-19.0.0]
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 -- 2021-01-25
