WhatsAbove / Cities / California / San Marcos
Live planes and satellites over San Marcos, CA
The scope below is live: every trackable aircraft and satellite above San Marcos right now, centered on 33.1434, -117.1661. Click anything for callsign, route, altitude, and more.
Tonight
Visible passes for the next 12 hours — sun-lit satellite, dark sky at your point.
Nearest major airports
With McClellan-Palomar Airport (CLD) only 7 miles to the west, San Marcos sits directly under active approach and departure paths — expect frequent low-altitude traffic between roughly 2,000 and 8,000 ft, with the direction of flow flipping when the wind changes.
About the sky over San Marcos
San Marcos (California) has a population of about 92,931 and sits at 33.1434°N, 117.1661°W. Aircraft on this page come from the crowdsourced ADS-B network (coverage over this area depends on volunteer receivers nearby); satellites are computed in your browser from published orbital elements — several hundred are above the local horizon at any moment.
What planes fly over San Marcos?
Most identifiable traffic over San Marcos is tied to McClellan-Palomar Airport (CLD), 7 miles to the west, plus OCN (12 mi) and NKX (19 mi). Add high-altitude cruise traffic passing over on airway routes. The live scope on this page shows each one with callsign, route, and altitude.
How many satellites are above San Marcos right now?
Several hundred cataloged objects are above San Marcos's horizon at any moment — mostly Starlink, plus stations, science payloads, and decades-old relics. Open the SPACE tab on this page for the live, computed count at 33.1434, -117.1661.
Can I see the ISS from San Marcos?
Yes. The ISS passes over California several times most weeks; visible passes happen when the station is sunlit while the sky over San Marcos is dark — typically 1–3 hours after sunset or before sunrise. The Tonight panel on this page computes exact times, directions, and durations.