spb/earth-now Public License

1# earth-now.co2# Author:  Simon-Pierre Boucher3# Contact: contact@spboucher.ai4# File:    packages/registry/metrics/space.yaml5# Purpose: MVP space & physical-Earth metrics (catalog §13, 🥇) — Earth's orbital distance (deterministic) and Overshoot Day countdown67metrics:8  - id: earth_orbit_ytd9    name:10      fr: "Distance parcourue par la Terre autour du Soleil"11      en: "Distance Earth has travelled around the Sun"12    domain: space13    priority: mvp14    kind: cumulative15    level: 116    model: seasonal-ytd-v117    unit: m18    sources:19      - id: astro_calc20        name: "Éphémérides — calcul déterministe (JPL)"21        url: https://ssd.jpl.nasa.gov/22        license: "US Government public domain"23        cadence: deterministic24    refresh: never25    display:26      decimals: 027      sigFigs: 728      scale: 0.00129      unit: { fr: "km", en: "km" }30    constraints: { maxAbsRatePerSec: 31000, maxJumpOnRefit: 100000 }31    windows: [today, ytd, session]32    editorialNote:33      fr: "Astronomie pure : vitesse orbitale moyenne 29,78 km/s, plus rapide au périhélie (janvier) qu'à l'aphélie (juillet)."34      en: "Pure astronomy: mean orbital speed 29.78 km/s, faster at perihelion (January) than aphelion (July)."3536  - id: overshoot_days37    name:38      fr: "Jours avant le prochain Earth Overshoot Day"39      en: "Days until the next Earth Overshoot Day"40    domain: space41    priority: mvp42    kind: stock43    level: 044    model: linear-stock-v145    unit: days46    sources:47      - id: gfn_overshoot48        name: "Global Footprint Network — Earth Overshoot Day"49        url: https://overshoot.footprintnetwork.org/50        license: "© Global Footprint Network — citation required"51        licenseNote: "verify reuse terms before launch"52        cadence: yearly53    refresh: on_source_update54    display:55      decimals: 056      sigFigs: 357      unit: { fr: "jours", en: "days" }58    constraints: { maxAbsRatePerSec: 0.00002, maxJumpOnRefit: 10 }59    windows: [total]60    editorialNote:61      fr: "Date 2027 estimée à partir de la tendance GFN — mise à jour à l'annonce officielle."62      en: "2027 date estimated from the GFN trend — updated on official announcement."63