ROSETTA-ORBITER 67P RSI 1/2/3 PRELANDING 0377 V1.0: Comet Gravity Measurements

NASA's Rosetta Radio Science data set provides global gravity measurements for comet 67P/Churyumov–Gerasimenko. The data was collected during the PRELANDING phase from 2014-01-21 to 2014-11-18, with a specific measurement interval on 2014-10-22. This is version 1.0 of the dataset.

Use Cases

• Modeling the internal mass distribution of comet 67P based on gravity field data.
• Analyzing temporal changes in the comet's gravity during the Rosetta mission's prelanding phase.
• Calibrating spacecraft navigation and orbit determination models using radio science measurements.
• Studying the relationship between a comet's gravity field and its surface features.

Strengths

• Data covers a defined prelanding phase from 2014-01-21 to 2014-11-18.
• Provides a specific measurement time range for gravity data: 2014-10-22T11:36:25.000 to 2014-10-22T15:31:18.500.
• Dataset is versioned (V1.0), suggesting a managed release process.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Description metadata is limited; actual data quality requires manual inspection after download.

Provenance

Source

National Aeronautics and Space Administration

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 specific measurement on 2014-10-22.

Freshness

Last updated 2026-03-13 15:37:01.622035; freshness should be verified.

Geography

Comet 67P/Churyumov–Gerasimenko