A unified platform delivering high-precision astronomical data and APIs ephemerides, star catalogs, time standards, and trajectory propagation for science, education, culture, and innovation worldwide.
Comprehensive astronomical data services designed for scientific research, education, and technical applications worldwide.
Real-time planetary positions, velocities, and celestial mechanics data.
Cross-matched star queries from major astronomical databases
Precise time conversions and coordinate system transformations.
Advanced orbital mechanics for asteroids, comets, and spacecraft.
Reproducible comparisons against JPL Horizons reference data.
Built for precision, designed for scale. Trusted by the global astronomical community.
Optimized algorithms deliver results in milliseconds with minimal latency.
Rigorous validation ensures accuracy and reliability.
24/7 availability with worldwide CDN distribution.
Integrated ephemerides, catalogs and reference frames.
Live data feeds for dynamic astronomical events.
Resources and tutorials for learning space science.
Trusted by researchers and institutions globally.
State-of-the-art algorithms and computational models.
Supporting cultural astronomy and heritage projects.
RESTful APIs with comprehensive documentation, code examples, and interactive testing.
Get real-time planetary positions and velocities
GET /GET "https://api.ecs.space/v1/ephemeris/planet?name=mars&date=2024-01-01T00:00:00Z" -H "API-Key: YOUR_API_KEY"
{
"body": "mars",
"time": "2024-01-01T00:00:00Z",
"reference": "SunV3",
"position": {
"X": -2.27948,
"Y": -0.93391,
"Z": 0.18946
},
"velocity": {
"X": -1.61,
"Y": -25.31,
"Z": -0.33
},
"distance": 2.13448,
"light_time": 740.3
}
Access comprehensive star catalog data
GET "https://api.ecs.space/v1/stars?hipparcos_id=1234&epoch=J2000.0" -H "API-Key: YOUR_API_KEY"
{
"hipparcos_id": 1234,
"ra": "00:15:23.45",
"dec": "+45:32:11.2",
"magnitude": 4.56,
"proper_motion": {
"ra": 12.34,
"dec": -5.67
},
"parallax": 0.0234,
"spectral_type": "G2V"
}
Convert between different time standards
GET "https://api.ecs.space/v1/time/convert?from=UTC&to=TT&time=2024-01-01T12:00:00Z" -H "API-Key: YOUR_API_KEY"
{
"from": "UTC",
"to": "TT",
"input_time": "2024-01-01T12:00:00Z",
"output_time": "2024-01-01T12:01:09.184Z",
"delta": 69.184,
"leap_seconds": 37
}