ISI EROS / eo constellation
sourcingtypical 4/5 · 8 factsopticalIsraelactive
faq
Who operates ISI EROS?
ISI EROS is operated by ImageSat International (ISI). (source, as of 2026-07-05)
How many ISI EROS satellites are active on orbit?
CelesTrak's catalog currently tracks 1 object for ISI EROS. (source, as of 2026-07-11)
When did ISI EROS first launch?
ISI EROS first launched on 2022-12-30. (source, as of 2026-07-05)
facts
operatorImageSat International (ISI)
countryIsrael
sensor typesoptical
sats launched (total)3
sats active (claimed)unknown
sats active (verified)1
sats plannedunknown
orbit485 km x 503 km, 139.36 degrees, retrograde orbit
first launch2022-12-30
latest launchunknown
statusactive
websiteunknown
sats active (verified) counts objects currently tracked in CelesTrak's catalog for this constellation. It is a tracking count, not an operator claim about satellite health.
orbit
orbit485 km x 503 km, 139.36 degrees, retrograde orbit
sats launched (total)3
sats active (claimed)unknown
sats active (verified)1
sats plannedunknown
timeline
- 20222022-12-30EROS C3 launches on Falcon 9 from Vandenberg, upgrading ImageSat to 0.30m resolution (source, as of 2026-07-06)
- 20162016-07-07EROS A1 reenters after 16 years in orbit, ending ImageSat's first-generation satellite (source, as of 2026-07-06)
- 20062006-04-25EROS B launches with sub-meter resolution, succeeding the reduced four-satellite plan (source, as of 2026-07-06)
- 20002000-12-05EROS A1 launches on Start-1, opening ImageSat International's commercial imaging fleet (source, as of 2026-07-06)
sources
[2] en.wikipedia.org ↗
sats launched (total)wikipedia2026-07-08statuswikipedia2026-07-08
[3] celestrak.org ↗
sats active (verified)computed2026-07-11
Includes data from Gunter's Space Page: doc_sdat/eros-c3.htm