Orbital Sidekick GHOSt / eo constellation
sourcingtypical 4/5 · 13 factshyperspectralUSAoperational
GHOSt (Global Hyperspectral Observation Satellite) is a planned six-satellite hyperspectral Earth observation constellation operated by Orbital Sidekick, a startup company of San Francisco. Each satellite carries a proprietary hyperspectral imager capturing 512 spectral bands across the visible to shortwave infrared region, flying at an average altitude of 525 km in a circular sun-synchronous orbit. The constellation is operational (nominal) as of the source's last update.
key details
faq
Who operates Orbital Sidekick GHOSt?
Orbital Sidekick GHOSt is operated by Orbital Sidekick. (source, as of 2026-07-08)
When did Orbital Sidekick GHOSt first launch?
Orbital Sidekick GHOSt first launched on 2023-04-15. (source, as of 2026-07-08)
imaging modes
Panchromaticresolution3 mswathnot stated
Multispectralresolution8.3 mswathnot stated
facts
operatorOrbital Sidekick
countryUSA
sensor typeshyperspectral
sats launched (total)5
sats active (claimed)unknown
sats active (verified)unknown
sats planned6
orbit525 km SSO
first launch2023-04-15
latest launch2024-03-04
statusoperational
websiteorbitalsidekick.com
resolution (m)3
revisitup to daily for certain locations
spectral bands468 bands, 400-2,500 nm (VIS to SWIR)
orbit
orbit525 km SSO
sats launched (total)5
sats active (claimed)unknown
sats active (verified)unknown
sats planned6
timeline
- 20242024-03-04Orbital Sidekick launches fourth and fifth GHOSt satellites (source, as of 2026-07-12)
sources
[1] eoportal.org ↗
operator2026-07-08sensor types2026-07-08orbit2026-07-08status2026-07-08resolution (m)2026-07-09revisit2026-07-09spectral bands2026-07-09
[2] space.skyrocket.de ↗
country2026-07-12sats launched (total)2026-07-08sats planned2026-07-08first launch2026-07-08latest launch2026-07-08
[3] orbitalsidekick.com ↗
websitefirst-party2026-07-08
Includes data from Gunter's Space Page: doc_sdat/ghost-1.htm