# Obzor-R 1

> Russian synthetic aperture radar satellite

**Wikidata**: [Q137593609](https://www.wikidata.org/wiki/Q137593609)  
**Source**: https://4ort.xyz/entity/obzor-r-1

## Summary
Obzor-R 1 is a Russian synthetic aperture radar (SAR) satellite launched on December 25, 2025, aboard a Soyuz-2.1a rocket from the Plesetsk Cosmodrome. It is operated by Roscosmos and operates in a sun-synchronous orbit, equipped with solar power and designed for Earth observation and radar imaging.

## Key Facts
- **Class**: Obzor-R model of Russian synthetic aperture radar satellite
- **Launch date**: December 25, 2025, at 14:11 UTC
- **Launch vehicle**: Soyuz-2.1a
- **Launch site**: Plesetsk Cosmodrome Site 43/4
- **Operator**: Roscosmos State Corporation
- **Orbit**: Sun-synchronous orbit
- **Power source**: Spacecraft solar array (1 unit)
- **Payload**: Synthetic aperture radar
- **Manufacturer**: Progress State Research and Production Rocket Space Center
- **COSPAR ID**: 2025-310A

## FAQs
### Q: What is Obzor-R 1 used for?
A: Obzor-R 1 is a synthetic aperture radar satellite designed for Earth observation, capable of high-resolution imaging for military, scientific, and environmental monitoring purposes.

### Q: Who operates Obzor-R 1?
A: Obzor-R 1 is operated by Roscosmos State Corporation, Russia's federal space agency.

### Q: What type of orbit does Obzor-R 1 use?
A: Obzor-R 1 operates in a sun-synchronous orbit, which allows it to maintain a consistent viewing angle relative to the Sun, facilitating consistent imaging conditions.

### Q: What is the significance of its launch date?
A: The launch on December 25, 2025, marks the deployment of the first satellite in the Obzor-R series, contributing to Russia's growing constellation of Earth observation satellites.

### Q: How is Obzor-R 1 powered?
A: Obzor-R 1 is powered by a spacecraft solar array, providing the necessary energy for its operations in orbit.

## Why It Matters
Obzor-R 1 represents a significant addition to Russia's Earth observation capabilities, leveraging synthetic aperture radar technology for high-resolution imaging. This satellite supports military surveillance, environmental monitoring, and disaster response, enhancing Russia's ability to gather critical data for national security and scientific research. Its launch underscores Russia's continued investment in space-based infrastructure, reinforcing its position as a key player in the global satellite constellation market. By operating in a sun-synchronous orbit, Obzor-R 1 ensures consistent imaging conditions, making it a valuable asset for both civilian and defense applications.

## Notable For
- **First of its kind**: The first satellite in the Obzor-R series, establishing a new model for Russian synthetic aperture radar satellites.
- **Solar-powered**: Utilizes a spacecraft solar array for energy, ensuring reliable operation in orbit.
- **Sun-synchronous orbit**: Maintains a consistent viewing angle relative to the Sun, optimizing imaging conditions.
- **High-resolution imaging**: Equipped with synthetic aperture radar for detailed Earth observation.
- **Military and scientific applications**: Supports both defense and environmental monitoring, enhancing Russia's space-based surveillance capabilities.

## Body
### Overview
Obzor-R 1 is a Russian synthetic aperture radar satellite launched on December 25, 2025, as part of the Obzor-R series. It was deployed using a Soyuz-2.1a rocket from the Plesetsk Cosmodrome Site 43/4, marking a significant milestone in Russia's space program.

### Technical Specifications
- **Orbit**: Sun-synchronous orbit, ensuring consistent imaging conditions.
- **Power**: Equipped with a spacecraft solar array for energy generation.
- **Payload**: Synthetic aperture radar for high-resolution Earth observation.
- **Manufacturer**: Progress State Research and Production Rocket Space Center.

### Operational Details
- **Operator**: Roscosmos State Corporation, responsible for its mission and data utilization.
- **Launch**: Conducted on December 25, 2025, at 14:11 UTC, with a COSPAR ID of 2025-310A.
- **Applications**: Supports military surveillance, environmental monitoring, and disaster response.

### Significance
Obzor-R 1 enhances Russia's Earth observation capabilities, contributing to both national security and scientific research. Its sun-synchronous orbit and synthetic aperture radar technology make it a valuable asset in the global satellite constellation market.

## References

1. [Source](https://space.skyrocket.de/doc_sdat/obzor-r.htm)
2. Jonathan's Space Report