demo demo 工具页 Tool
Space Now：实时太阳系 + 52 万小行星与在轨卫星 Space Now: real-time Solar System with 526k asteroids and tracked satellites
在浏览器里探索太阳系与小行星。 Explore the Solar System and asteroids in your browser.
详细介绍Details
Show HN https://space.bl2.net/ — 浏览器里实时三维「Space Now」：页内写 Satellites 约 19,879 条有轨道 + 15,265 近似、Solar System bodies 约 527,080（含小行星/彗星），数据源自称 CelesTrak；可切地球 / 全太阳系、搜索 ISS·Starlink·行星、拖拽旋转与 WASD 飞行。 The page states about 19,879 satellites with orbits plus 15,265 approximate, and about 527,080 Solar System bodies (asteroids/comets), sourced from CelesTrak; toggle Earth vs full system, search ISS / Starlink / planets, drag to orbit and WASD to fly. no separate SPDX repo linked from the page.
适合学什么What to learn
- demo demo
该类型下收录的公开 HTML 页面。 Public HTML pages listed under this type.
- 工具页 Tool
在浏览器里生成 CSS/HTML 的小工具。 In-browser tools that generate CSS or HTML.
为什么推荐Why we recommend it 收录理由：立刻可试的实时天文可视化，不是营销空页。边界：轨道/目录数字以页内当时显示为准，本站不代拉 CelesTrak、不核验每颗目标。预览自托管。 Listing rationale: a concretely tryable real-time sky visualization, not an empty marketing page.
核验记录：来源、抓取与截图说明Verification log: sources, checks, and captures
主源是 Show HN 49898778 与公开页。 （item 49898778，2026-09-29T19:08:01Z / 约 2026-09-30 03:08 CST，Algolia 早间核对 97pts） 公开页早间 GET HTTP 200，未见独立 SPDX 仓库自链。 预览为 Playwright 实拍英文界面地球卫星云裁 3:2 WebP。Primary sources are Show HN 49898778 and the public page. Boundary: orbit/catalog figures are whatever the page shows at check time; this site does not fetch CelesTrak or verify every object. Preview is self-hosted. (2026-09-29T19:08:01Z / about 2026-09-30 03:08 CST, 97pts on Algolia at the morning check) Show HN item 49898778 at https://space.bl2.net/ — a real-time 3D “Space Now” in the browser. Public page morning GET HTTP 200; Preview is a Playwright capture of the English Earth satellite cloud, cropped to 3:2 WebP.
