# Umbra 11

> American synthetic aperture radar satellite

**Wikidata**: [Q138116245](https://www.wikidata.org/wiki/Q138116245)  
**Source**: https://4ort.xyz/entity/umbra-11

## Summary
Umbra 11 is an American synthetic aperture radar satellite launched by SpaceX using a Falcon 9 Block 5 rocket. It follows Umbra 10 and is succeeded by Umbra 12 in the Umbra-SAR program operated by Umbra.

## Key Facts
- Umbra 11 is an American synthetic aperture radar satellite
- It was launched on November 28, 2025
- It follows Umbra 10 and is followed by Umbra 12
- It has the catalog number SCN 66748
- It has the COSPAR ID 2025-276CL
- It is part of the Umbra-SAR program
- It is operated by Umbra
- It was launched from Vandenberg Space Launch Complex 4
- It was launched using a Falcon 9 Block 5 launch vehicle

## FAQs
### Q: What is Umbra 11?
A: Umbra 11 is an American synthetic aperture radar satellite that follows Umbra 10 and is succeeded by Umbra 12 in the Umbra-SAR program operated by Umbra.

### Q: When was Umbra 11 launched and what rocket was used?
A: Umbra 11 was launched on November 28, 2025 using a Falcon 9 Block 5 rocket from Vandenberg Space Launch Complex 4.

### Q: What is the catalog number and COSPAR ID of Umbra 11?
A: Umbra 11 has the catalog number SCN 66748 and the COSPAR ID 2025-276CL.

## Why It Matters
Umbra 11 represents the United States' continued investment in synthetic aperture radar technology, which provides unique capabilities for all-weather, day-or-night Earth observation. As part of the Umbra-SAR program, it contributes to enhancing national security through improved reconnaissance capabilities. The use of SpaceX's Falcon 9 Block 5 for launch demonstrates the growing commercialization of space launch systems, potentially reducing costs and increasing access to space-based imaging technologies. These satellites play a crucial role in monitoring activities across the globe with high-resolution radar imagery.

## Notable For
- Being the 11th satellite in the Umbra synthetic aperture radar satellite series
- Having the catalog number SCN 66748
- Utilizing the Falcon 9 Block 5 launch vehicle for its deployment
- Being part of the Umbra-SAR program operated by Umbra

## Body
### Mission Overview
Umbra 11 is an American synthetic aperture radar satellite designed for Earth observation. It is part of a sequence of similar satellites developed by Umbra.

### Program Context
Umbra 11 follows Umbra 10 and is succeeded by Umbra 12 in the Umbra-SAR program. This sequential development suggests an ongoing enhancement of radar imaging capabilities.

### Launch Information
- Launch date: November 28, 2025
- Launch site: Vandenberg Space Launch Complex 4
- Launch vehicle: Falcon 9 Block 5
- The launch utilized SpaceX's current operational launch vehicle

### Technical Identification
- Catalog number: SCN 66748
- COSPAR ID: 2025-276CL
- Country of origin: United States
- Program affiliation: Umbra-SAR
- Operator: Umbra

## Schema Markup
```json
{
  "@context": "https://schema.org",
  "@type": "Thing",
  "name": "Umbra 11",
  "description": "American synthetic aperture radar satellite",
  "additionalType": "synthetic aperture radar satellite"
}