Place

Galileo's first Earth perigee, 8 December 1990

flyby perigee (ground point)

Flyby perigee (ground point)0

Note

The point on the ground beneath Galileo at closest approach (1990-12-08 20:34:34 UTC), over the Atlantic north of Puerto Rico, computed from JPL Horizons' reconstructed trajectory (sub-observer point, geodetic; distance 7,334 km from Earth's centre). Acedo (2017) tabulates the same perigee's geocentric latitude.

Happened here 1

Galileo passes Earth at 960 km and gains 3.92 mm/s unexplained

Event

EVT

Cite it

Mysteries Department. (2026). Galileo's first Earth perigee, 8 December 1990 [Place PLC0CWYE72209PB]. https://mysteriesdept.com/r/PLC0CWYE72209PB

@misc{mysteriesdept_plc0cwye72209pb,
  title     = {Galileo's first Earth perigee, 8 December 1990},
  author    = {{Mysteries Department}},
  year      = {2026},
  note      = {Place, catalog key PLC0CWYE72209PB},
  url       = {https://mysteriesdept.com/r/PLC0CWYE72209PB}
}