Rosetta Radio Science Gravity Measurements at Comet 67P

Radio Science data from the Rosetta orbiter's PRELANDING phase, collected between 2014-01-21 and 2014-11-18. It provides Global Gravity measurements for comet 67P/Churyumov-Gerasimenko, specifically covering a 10.6-hour period on 2014-09-27. The dataset was produced by NASA as part of the International Rosetta Mission.

Use Cases

• Model the comet's internal structure and mass distribution using Global Gravity measurements.
• Analyze temporal variations in gravity data from the PRELANDING phase to study surface activity.
• Correlate gravity anomalies with surface features identified in other Rosetta instrument datasets.
• Validate orbital dynamics models for the Rosetta spacecraft using precise gravity field data.

Strengths

• Data originates from NASA's authoritative International Rosetta Mission.
• Covers a specific, scientifically critical 10.6-hour observation window on 2014-09-27.
• Focuses on Global Gravity, a key dataset for understanding comet 67P's composition.

Limitations

• Specific data structure, column definitions, and sample size are unavailable for review.
• Limited temporal coverage for gravity measurements to a single day in 2014.
• Requires specialized domain knowledge in planetary radio science to interpret effectively.

Provenance

Source

National Aeronautics and Space Administration (NASA)

Collection Method

Collected by the Rosetta orbiter's Radio Science Investigation (RSI) instrument.

Time Range

2014-01-21 to 2014-11-18 (PRELANDING phase), with detailed gravity data from 2014-09-27T05:32:05.000 to 2014-09-27T16:08:51.500.

Freshness

Metadata was last updated on 2025-08-22, though the underlying data is from 2014.

Geography

Comet 67P/Churyumov-Gerasimenko