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Zephyrus Lambda
Zephyrus Lambda
Zephyrus Lambda was launched on March 28, 2026 and consisted of one balloon. The purpose of this mission was to collect preliminary data for the 3 scintillator Cosmic Watch, conduct wire testing for the METEOR project, and send one student science experiment into the upper atmosphere.
Preparations
Preparations
The tables on the left show the payload for Zephyrus Lambda. In all, the balloon consisted of a valve, parachute, spot trace, 3-scintillator Cosmic Watches, Magnetic Field Sensor, and METEOR. The payload mass of the balloon was 1292 grams. Path predictions as well as burst calculations were also conducted in advance in order to prepare for Zephyrus Lambda's retrieval and to give a rough estimate of the neck lift, which was adjusted later.
Launch Information
Launch Information
Zephyrus Lambda was launched out of Carlisle, PA, at 11:47 am EST (15:47 UTC). It took roughly 45 minutes to fill up the balloon. Zephyrus Lambda had a payload weight of around 1292 g with a neck lift of 48.5 N.
IMG_4081.MOVFlight Information
Flight Information
The balloon had an estimated flight duration of 1 hour and 8 min with an estimated maximum altitude of 107,191 feet (32,672 meters). It landed at approximately 12:55 pm EST (16:55 UTC) in Glen Mills, Pennsylvania. The data collected during this launch is still being analyzed and will be updated later.
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