stationkeeping

/S T EY1 SH AH0 NG K IY1 P IH0 NG/
noun
  1. 1

    The maintenance of a ship's position relative to others in a fleet or convoy

  2. 2

    (by extension) The maintenance of a satellite in geosynchronous orbit over a desired spot.

Source: https://en.wiktionary.org/wiki/stationkeeping