ROSETTA-ORBITER 67P: Radio Science Gravity Measurements Pre-Landing 2014

Radio Science data from the Rosetta orbiter's PRELANDING phase, specifically measuring the global gravity field of comet 67P/Churyumov-Gerasimenko. The National Aeronautics and Space Administration collected this data during a specific 10-hour window on 2014-10-21. This dataset provides direct physical measurements of the comet's mass distribution from the historic Rosetta mission.

Use Cases

• Modeling the internal mass distribution and density of comet 67P based on gravity field measurements.
• Analyzing spacecraft trajectory and orbital dynamics near the comet based on radio science data.
• Calibrating and validating simulations of comet formation and evolution based on physical property data.
• Studying temporal changes in the comet's activity and outgassing linked to gravity measurements.

Strengths

• Data originates from the authoritative NASA Rosetta mission, a cornerstone of cometary science.
• Covers a precise 10-hour observation period on 2014-10-21, providing a focused snapshot.
• Part of the PRELANDING phase from 2014-01-21 to 2014-11 18, offering mission-contextual data.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count and data volume are unknown, which may limit suitability assessment.
• The specific gravity measurement methodology and processing level are not detailed in the provided metadata.

Provenance

Source

National Aeronautics and Space Administration

Collection Method

Collected via Radio Science Instrument (RSI) on the Rosetta orbiter during the PRELANDING mission phase.

Time Range

2014-10-21T04:17:05.000 to 2014-10-21T14:51:46.000 (specific measurement). Mission phase: 2014-01-21 to 2014-11-18.

Freshness

Last updated 2026-03-13 20:26:24.112353; freshness should be verified.

Geography

Comet 67P/Churyumov-Gerasimenko