Attitude (Spacecraft Orientation)
The rotational position and orientation of a spacecraft in three-dimensional space, controlled to point instruments or solar panels in specific directions.
The rotational position and orientation of a spacecraft relative to a reference frame, such as Earth, the Sun, or celestial coordinates. Spacecraft maintain specific attitudes to point instruments toward targets, orient solar panels toward the Sun for power, or position antennas for communication. Attitude is controlled using thrusters, reaction wheels, or magnetic torquers.
What this means in real life
A weather satellite must maintain a precise attitude pointing downward at Earth to photograph cloud patterns; if it rotates even slightly, the images become blurred or miss their target region entirely.
What it isn’t
It is not the spacecraft's location or trajectory through space. A satellite can be at the same position but with different attitudes—pointing north versus south, for example—and this changes what it observes or how it operates.
Commonly misused online
People sometimes use 'attitude' to mean a spacecraft's speed or direction of travel, when it actually refers only to rotational orientation. Tweets about 'changing attitude to escape orbit' conflate steering (trajectory) with rotating (attitude).