Archive Satellite Imagery vs. New Tasking

What is archive satellite imagery?

Archive imagery is satellite data that has already been collected and stored in a commercial catalog. Vantor's archive spans more than 20 years and contains billions of square kilometers of imagery, including high-resolution coverage suitable for mapping, site research, change detection, due diligence, media, engineering, and damage assessment.

Because the collection already exists, an archive search can reveal the acquisition date, cloud cover, viewing angle, resolution, and footprint before purchase. This makes archive imagery the practical first step for most projects.

When archive imagery is the better choice

• You need historical evidence or a before-and-after comparison.
• A recent image is acceptable, but it does not need to be collected after a specific future date.
• The project has a limited budget or short delivery schedule.
• You want to evaluate available image quality before licensing the data.
• The location has good existing coverage with acceptable cloud cover and resolution.
• You need imagery from the date of a past event, construction milestone, environmental change, or news story.

What is new satellite tasking?

New tasking is a request for a satellite to collect imagery over a defined area during a future time window. The collection plan considers satellite access, target geometry, weather, cloud cover, sun angle, competing priorities, product specifications, and the selected tasking service.

Tasking creates the opportunity for a current image, but optical satellite collection is not the same as scheduling a studio photograph. Orbit and weather matter. The correct tasking priority should reflect how important the date, speed, cloud protection, and collection guarantee are to the mission.

When new tasking is the better choice

• No archive image covers the exact area or required date.
• The project needs current conditions after a recent event or operational change.
• You must collect during a defined future window, season, construction phase, or milestone.
• Repeat collections are needed for monitoring, progress documentation, or change analysis.
• The archive does not meet the required resolution, cloud-cover limit, viewing geometry, or product specification.
• A decision cannot be made reliably using older imagery.

The smartest workflow is often archive first, tasking second

An archive search establishes what already exists. Even when a new image is ultimately required, archive coverage can provide a historical baseline, help refine the area of interest, and reveal seasonal or cloud patterns that influence the tasking plan.

For change detection, the combination is especially powerful: use a well-matched archive image to represent the earlier condition and a new collection to document the current condition. Matching season, sun angle, resolution, and viewing geometry as closely as practical makes comparison more reliable.

A simple decision checklist

• If an acceptable image already exists, begin with archive imagery.
• If the image must show conditions after a specific date, evaluate new tasking.
• If timing matters more than perfectly clear skies, discuss date-certain collection options.
• If cloud-free quality matters more than a single exact date, use a collection window with appropriate cloud protection.
• If you need many searches, repeated tasking, maps, APIs, or multiple users, compare a Vantor Hub subscription with one-time purchasing.