siderust-archive 0.1.2

Reusable Rust bindings for the Siderust Archive: manifests, checksums, provenance, and runtime download of scientific datasets (IERS time data, kernels, planetary theories).
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# JPL planetary ephemeris SPK kernels (runtime download).
#
# These BSP files are too large to commit. They are acquired at runtime via
# `siderust_archive::jpl::DatasetManager` and cached under
# `~/.siderust/data/` (override with `SIDERUST_DATA_DIR`).

schema_version    = 1
dataset_id        = "jpl-de440-de441"
dataset_kind      = "planetary-ephemeris"
source            = "JPL NAIF Generic Kernels"
generator         = "upstream"
generator_version = "DE440/DE441"
generated_at      = "2026-05-29T00:00:00Z"
time_scale        = "TDB"
frame             = "ICRF"
center            = "Solar System Barycenter"
units             = "km"
valid_from_jd     = 2287184.5
valid_to_jd       = 2688976.5
dynamical_model   = "JPL DE440 / DE441"

notes = """
DE440 covers 1550-01-01 through 2650-01-01. DE441 part 2 extends the same
model with higher precision for 1550-01-01 through 2650-01-01 at the cost of
a much larger kernel file (~1.65 GB).

Checksums below match the NAIF generic-kernel releases pinned by
`siderust_archive::jpl::refs`.
"""

[[remote_files]]
path      = "de440.bsp"
sha256    = "a4ce9bf9b3282becc9f4b2ac3cebe03a2ae7599981aabd7265fd8482fff7c4b5"
bytes     = 124_000_000
format    = "spk-bsp"
url       = "https://naif.jpl.nasa.gov/pub/naif/generic_kernels/spk/planets/de440.bsp"
min_size  = 100_000_000
size_hint = "~120 MB"
notes     = "JPL DE440 planetary ephemeris (~120 MB)."

[[remote_files]]
path      = "de441_part-2.bsp"
sha256    = "3abb17dae2d78dd34880377544aacb54892104a0d4462b322cb9f4454d4887f6"
bytes     = 1_650_000_000
format    = "spk-bsp"
url       = "https://naif.jpl.nasa.gov/pub/naif/generic_kernels/spk/planets/de441_part-2.bsp"
min_size  = 1_500_000_000
size_hint = "~1.65 GB"
notes     = "JPL DE441 planetary ephemeris, part 2 (~1.65 GB)."

[[references]]
citation = "Park, R. S., et al. (2021). The JPL Planetary and Lunar Ephemerides DE440 and DE441."
url      = "https://naif.jpl.nasa.gov/pub/naif/generic_kernels/spk/planets/"

[[references]]
citation = "NAIF SPICE planetary ephemeris kernel collection."
url      = "https://naif.jpl.nasa.gov/pub/naif/generic_kernels/spk/planets/"