1. moving around or orbiting the sun; revolving around the sun
Usage: technical; astronomy

Examples

• The circumsolar orbit of Mercury brings it closest to the sun every 88 days.
• Astronomers study circumsolar dust particles to understand planetary formation.
• The spacecraft followed a circumsolar trajectory to gather data on solar radiation.
• Circumsolar objects in our solar system include all eight planets.
• The comet's circumsolar path was calculated using gravitational models.