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📡 Orbital Briefing

SpaceX Prepares for Starship Flight 13 Amidst Orbital Anomalies

SpaceX Starship 6 rocket launching, viewed from space station with Earth in the background
Image: NASA/JSC
Quick answer · as of 21 Jul 2026

SpaceX targets July 23 for Starship Flight 13. Satellite close approaches and orbital manoeuvres monitored.

SpaceX is gearing up for a critical test of its Starship vehicle, Flight 13, scheduled for 23 July 2026. This follows an aborted attempt, and the launch is highly anticipated as part of the ongoing development of the Starship programme. The test will focus on assessing the vehicle's capabilities for future missions, including potential lunar and Martian expeditions. Readers can follow the countdown and launch updates on the Orbital Radar Launch Schedule.

Satellite Close Approaches Raise Concerns

Aerial view of Earth from the International Space Station, showing continents and oceans
736C7599.NEF · Image: NASA/JSC

Recent data has highlighted several close approaches between satellites, including a particularly narrow miss of 0.49 km between O3B FM4 and O3B FM10. Such close encounters are monitored to prevent potential collisions, which could contribute to the growing issue of space debris. The Orbital Radar Debris Map provides a visual representation of these and other close approaches, aiding in the management of orbital traffic.

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Orbital Manoeuvres Detected

Significant changes in the argument of perigee (the point in an orbit closest to Earth) have been detected for DEMOSAT/FALCON 1 and NIMIQ 4, with shifts of approximately 14.13° and 18.08°, respectively. These changes indicate potential orbital manoeuvres, which may be part of routine adjustments or specific mission requirements. Such manoeuvres are crucial for maintaining optimal satellite operations and avoiding collisions.

What to Watch

In addition to SpaceX's Starship test, the coming days are relatively quiet in terms of new launches. However, the Space Force's recent announcement to procure up to $30 billion in rocket launches signals significant future activity. For those interested in satellite visibility, the Orbital Radar Pass Predictor offers insights into when and where to observe satellites from Earth.

Frequently Asked Questions

When is SpaceX's Starship Flight 13 scheduled?
SpaceX's Starship Flight 13 is scheduled for 23 July 2026, following an aborted attempt.
What is a satellite close approach?
A satellite close approach occurs when two satellites pass within a short distance of each other, often requiring monitoring to prevent collisions.
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