WhatsAbove / Cities / Colorado / Longmont
Live planes and satellites over Longmont, CO
The scope below is live: every trackable aircraft and satellite above Longmont right now, centered on 40.1672, -105.1019. 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
Longmont lies about 18 miles north of Rocky Mountain Metropolitan Airport (BJC), which puts it under arrival sequencing and climb-out corridors — most identifiable traffic crosses between 4,000 and 15,000 ft, descending toward or climbing away from the field.
About the sky over Longmont
Longmont (Colorado) has a population of about 92,088 and sits at 40.1672°N, 105.1019°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 Longmont?
Most identifiable traffic over Longmont is tied to Rocky Mountain Metropolitan Airport (BJC), 18 miles to the south, plus FNL (20 mi) and DEN (31 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 Longmont right now?
Several hundred cataloged objects are above Longmont'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 40.1672, -105.1019.
Can I see the ISS from Longmont?
Yes. The ISS passes over Colorado several times most weeks; visible passes happen when the station is sunlit while the sky over Longmont is dark — typically 1–3 hours after sunset or before sunrise. The Tonight panel on this page computes exact times, directions, and durations.