Episode 344: Dirty Deeds Done in Geo

Spaceflight news— Shijian-21 does some space tuggin’ (spacenews.com) — Last November, a new object, 2021-094C, appeared near SJ-21 (spacenews.com) — USA 271 “buzzed” SJ-20 in August 2020 (breakingdefense.com) — SJ-21 might be trying net or debris lasing tech (PDF: airuniversity.af.edu — 1972 Incidents at Sea Agreement (US + USSR) (state.gov)Short & Sweet— NASA identifies cause of stuck solar panel on Lucy (spacenews.com)— JMS is officially shut down (spacenews.com)— Anomaly pauses Astroscale’s demo mission (spacenews.com)This Week in Spaceflight History— 7 Feb, 2008. Launch of STS-122 with Columbus module (en.wikipedia.org) — ECO sensor system factsheet (PDF: nasa.gov) — Launch damage included a lost LOMS stinger tile (PDF p18: nasa.gov, VIA spaceref.com) — STS-93 is a good example of when the ECO fuel sensors might be a critical safety measure (TWSF: theorbitalmechanics.com)— Next week (2/8 - 2/14) in 2009: 102.2 degrees and 77 protons.