Earth science · NORAD 25994
Flagship Earth-observing platform. MODIS instrument feeds daily global reflectance products used for wildfire and vegetation monitoring.
| Operator | NASA |
| Launched | 1999-12-18 |
| Approx. altitude | 705 km |
| Inclination | 98.2° |
| NORAD catalog id | 25994 |
The current two-line element set for this object is served from Ephem's cache at:
GET · https://ephem-api.YOUR-SUBDOMAIN.workers.dev/v1/objects/25994
curl -s https://ephem-api.YOUR-SUBDOMAIN.workers.dev/v1/objects/25994 \
-H "Authorization: Bearer ek_live_..."Cached 1 h. Backed by the CelesTrak active catalog, refreshed nightly.
Terra is included in the nightly SGP4 propagation that produces Ephem's debris density feed. Its sub-satellite point at any moment can be computed client-side from the TLE using standard SGP4 (the same code path the overhead map uses in your browser).