Definition availableExact definition Candidate definition
Astronomical unit
aucx:au · Length
1 au = 149597870700 m.
- Quantity kind
- Length
- SI dimension
L- Allowed roles
- Scalar
- Unit system / convention
- Accepted with SI
- Registry code
au
Scope and distinctions
Definition metadata. Quantity kind and model-field semantics determine compatibility; no new UUCE execution or CVP claim.
Available operations
No converter is linked for this definition yet. You can inspect the definition and its sources.
Verification scope
New UUCE conversion paths have not been CVP-verified or production-attested. An exact unit definition is not a verification claim.
Candidate is a registry lifecycle state. It is not a completed review or CVP verification.
Definition sources
- BIPM — The International System of Units (SI)
9th edition, version 4.01, June 2026
Table 8 and IAU 2012 Resolution B2: astronomical unit
Source checked:Definition metadata attributed to BIPM; brochure licensed CC BY 4.0.
Definition and registry versions
- Definition revision
- 1.0.0
- Registry snapshot
- 0.3.0-preview.3 · preview
- Definition lifecycle
- candidate
- Definition owner
- core.metrology
- Definition digest
d53c28bfeb8cbe49746b946bd5f016e460fb2dc1b50d449c9abc8585b1020a2e- Definition dependency digest
9bf09303a9424338d0d1e8a0606730458f4d50d682fa315390e68e5bdc6eff31
Digests identify definition content; they are not CVP evidence or production attestations.