Satellite Tracker

Real-time satellite and spacecraft tracking powered by SGP4 orbit prediction. Supports Tiangong (CSS), ISS, Hubble, or any NORAD catalog ID. Features real-time coordinates, speed, altitude, pass predictions, and geographic region display. Data source: Celestrak TLE (free, no API key required). 实时追踪卫星和航天器位置。支持天宫空间站、ISS、天舟货运飞船等。 输入卫星名或NORAD ID,输出实时坐标、速度、高度、所在区域。 支持过境预测(输入观测者坐标)。 数据源:Celestrak TLE + SGP4轨道预测,免费无需API Key。

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Install skill "Satellite Tracker" with this command: npx skills add fengyucn/satellite-tracker

Satellite Tracker / 卫星追踪器

Real-time satellite tracking for AI agents — no API key required. 实时卫星追踪 —— 无需 API Key,开箱即用。

When to Use / 何时使用

  • User asks where a satellite or space station is / 用户问某颗卫星/空间站在哪
  • User asks about Tiangong (CSS) or ISS location / 用户问天宫空间站或ISS位置
  • User wants to track a spacecraft after launch / 用户想追踪发射后的航天器
  • User wants satellite pass predictions / 用户想看卫星过境时间
  • User is following a launch mission / 用户追踪发射任务

Installation / 安装

pip install sgp4

Usage / 用法

# Real-time position by name / 按名称查询
python3 skills/satellite-tracker/track.py --name 天宫
python3 skills/satellite-tracker/track.py --name ISS

# Real-time position by NORAD ID / 按NORAD ID查询
python3 skills/satellite-tracker/track.py --id 48274

# Pass predictions (requires observer coordinates) / 过境预测(需要观测者坐标)
python3 skills/satellite-tracker/track.py --name 天宫 --observer 28.2,112.9 --passes 5

# List all known satellites / 列出所有已知卫星
python3 skills/satellite-tracker/track.py --list

# Update TLE cache / 更新TLE缓存
python3 skills/satellite-tracker/track.py --update

# Continuous tracking mode / 持续追踪模式
python3 skills/satellite-tracker/track.py --name 天宫 --watch 60

# JSON output / JSON输出
python3 skills/satellite-tracker/track.py --name 天宫 --json

Known Satellites / 已知卫星

Name / 名称NORAD IDDescription / 说明
天宫 (Tiangong/CSS)48274中国空间站 Chinese Space Station
ISS25544国际空间站 International Space Station
哈勃 (Hubble)20580哈勃太空望远镜 Hubble Space Telescope

New satellites (e.g. Tianzhou cargo spacecraft) get assigned NORAD IDs after launch. Use --update to refresh TLE data, then search by ID. 天舟等新航天器发射后会分配NORAD ID,用 --update 更新后可追踪。

Output / 输出示例

🛰️ 天宫 (CSS)
━━━━━━━━━━━━━━━━━━━━━━━
⏰ 北京时间: 2026-05-08 16:32:43
📍 纬度: 29.12°S
📍 经度: 170.84°E
📏 轨道高度: 384.9 km
🚀 飞行速度: 7.68 km/s (27656 km/h)
🌐 区域: 🌏 澳洲上空

📊 轨道参数 Orbital Parameters
  周期 Period: 92.1 min (15.6 orbits/day)
  倾角 Inclination: 41.47°
  远地点 Apogee: 388 km
  近地点 Perigee: 382 km

Pass Prediction Output / 过境预测示例

🔭 天宫 过境预测 Pass Predictions
观测位置: 28.2000°N, 112.9000°E
━━━━━━━━━━━━━━━━━━━━━━━

第1次过境 Pass #1:
  ⏰ 北京时间: 2026-05-09 00:34:13
  📐 最大仰角 Max Elevation: 30.3°
  📍 地面距离 Ground Distance: 647 km
  📏 卫星高度 Altitude: 378 km

Technical Details / 技术细节

Item / 项目Detail / 说明
Orbit model / 轨道模型SGP4 (Simplified General Perturbations)
Data source / 数据源Celestrak TLE (updated hourly) / 每小时更新
Cache / 缓存Local JSON, 1-hour TTL / 本地JSON,1小时有效期
Coordinate system / 坐标系TEME → ECEF via GMST rotation
Pass prediction / 过境预测Brute-force scan with 10s steps, 5° min elevation

Dependencies / 依赖

  • sgp4 (Python package / Python包)
  • Internet connection for TLE data / 网络连接(获取TLE数据)

License

MIT-0

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