VANTOR (FORMERLY MAXAR)
World Imagery
Resolution: Up to 30cm (Native); Pan-sharpened to 15cm
Update Frequency: 1–2 yrs (High-interest); 3+ yrs (Remote)
Strengths: Industry-leading sub-meter clarity and positional accuracy.
Use Case: Visual mapping, infrastructure monitoring, baseline assessments.
Notes: HD technology enables pan-sharpening to 15cm for ultra-high clarity.
ESRI / VANTOR
World Imagery Wayback
Resolution: Up to 30cm
Update Frequency: Archive since 2014
Strengths: Deep temporal stack for historical analysis.
Use Case: Land-use change, footprint evolution, impact reviews.
ESA / COPERNICUS
Sentinel-2
Resolution: 10m–20m (Multispectral)
Update Frequency: Approx. 5 days
Strengths: Open access, strong revisit; multispectral.
Use Case: NDVI, vegetation monitoring, seasonal dynamics.
Notes: Default natural color (Bands 4-3-2); custom bands available.
USGS / NASA
Landsat 8 & 9
Resolution: 15m (Pan) / 30m (Multi)
Update Frequency: Approx. 16 days
Strengths: Scientific-grade radiometric calibration and long-term continuity.
Use Case: Environmental monitoring, geology, vegetation.
Notes: Default pan-sharpened Level-2 SR; thermal & indices on request.
VARIOUS
Google Maps Satellite Imagery
Resolution: Sub-meter to cm-level (High-interest areas)
Update Frequency: 1–2 yrs (High-interest); 3+ yrs (Remote)
Strengths: Massive global mosaic with high accessibility.
Use Case: Infrastructure viewing, general mapping.
Notes: Sources include Vantor and CNES/Airbus.
EARTHSTAR GEOGRAPHICS
TerraColor NextGen
Resolution: 15m
Update Frequency: Periodic Landsat 8 refresh
Strengths: Seamless, cloud-free global natural color mosaic.
Use Case: Terrain overview, vegetation patterns, large-scale mapping.
NASA
MODIS Terra & Aqua
Resolution: 250m – 1km
Update Frequency: Daily & multi-day composites
Strengths: High-cadence global monitoring for rapid environmental response.
Use Case: Fire detection, vegetation health, regional dynamics.
NOAA
NOAA & GOES (Colorized)
Resolution: ~1–2km
Update Frequency: Every 10 minutes
Strengths: Near real-time atmospheric and weather tracking.
Use Case: Cloud overlays, weather tracking.