3–7 Nov 2025
Europe/Stockholm timezone

Coordinated Observations among Spacecraft Missions Orbiting the Lagrange 1 Point

Not scheduled
20m

Speaker

Dimitrios Vassiliadis (NOAA NESDIS SWO)

Description

An unprecedented opportunity exists to advance heliospheric and geospace science, as well as improve space weather operations, by coordinating measurements across a constellation of current and near-term missions from NASA, NOAA, and ISRO orbiting the Lagrange 1 point. Though these missions were initially designed for diverse objectives and launched at different times, they now offer the potential to act as a powerful, distributed observatory providing unique 1-AU heliospheric measurements with diverse applications. To fully realize these benefits, close coordination is paramount, particularly during intervals of closest approach between two or more missions. These close-approach intervals, which replace rare conjunctions, are key for maximizing data collection opportunities and cross-calibration of measurements. While data processing and the development of advanced analysis techniques are important follow-up activities, considering those activities will help informs decisions regarding the length of close-approach intervals and necessary measurement resolution. This paper addresses a planned coordinated data collection concept, four prioritized high-level science objectives, and an implementation approach considering operational and scientific constraints.

Primary author

Dimitrios Vassiliadis (NOAA NESDIS SWO)

Co-author

James Spann (NOAA)

Presentation materials

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