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Description
Daily heliocentric trajectory data for Comet Wild 2, calculated using the 'Mean of Date' method for the Equinox Epoch. The data provides coordinates in Heliographic (HG), Heliographic Inertial (HGI), and Solar Ecliptic (SE) systems. The dataset is produced by NASA and was last updated on March 13, 2026.
Use Cases
Modeling comet orbital paths based on daily heliocentric trajectory data.
Analyzing solar system dynamics based on Heliographic, Heliographic Inertial, and Solar Ecliptic coordinate systems.
Comparing trajectory calculation methods based on the described 'Mean of Date' Equinox Epoch.
Validating spacecraft ephemeris approximations based on the description of using planet orbits as proxies.
Strengths
Data sourced from NASA's authoritative JPL Horizons system.
Coordinates calculated using a defined 'Mean of Date' method for the Equinox Epoch.
Provides data in three distinct coordinate systems: HG, HGI, and SE.
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 (NASA)
Collection Method
Original trajectory data calculated from NASA JPL Horizons, processed into HG, HGI, and SE coordinates.
Time Range
Daily data; specific date range is not provided.
Freshness
Last updated 2026-03-13 07:21:31.465526; freshness should be verified.
Geography
Heliocentric (solar system) scale.
License is listed as 'other-license-specified'; terms must be checked before use.