ROSETTA-ORBITER 67P RSI: Comet Gravity Measurements from Prelanding Phase

NASA's Rosetta Radio Science data set provides global gravity measurements of 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 from 2014-08-15T19:18:30.000 to 2014-08-16T01:20:11.000. It is published under an 'other-license-specified' license.

Use Cases

• Modeling the internal mass distribution of comet 67P based on gravity measurements.
• Calibrating radio science instrumentation for future deep-space missions.
• Analyzing temporal variations in comet gravity during the prelanding orbital phase.
• Validating orbital dynamics models of the Rosetta spacecraft around comet 67P.

Strengths

• Data originates from a major space agency, NASA, indicating a high level of curation.
• The measurement time range is precisely defined to the millisecond for the core gravity data.
• The dataset covers a specific, scientifically critical mission phase (PRELANDING).

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count and file size are unknown, which may limit suitability assessment.
• The license is specified only as 'other-license-specified', requiring manual verification of terms.

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 core measurement from 2014-08-15T19:18:30.000 to 2014-08-16T01:20:11.000

Freshness

Last updated 2026-03-13 17:25:43.069000; freshness should be verified.

Geography

Comet 67P/Churyumov–Gerasimenko