Nancy Grace Roman Telescope and Asteroid Flyby

On 2026-10-13, the space environment remained largely subdued. The planetary Kp index peaked at 2 during the early hours, failing to breach the storm threshold, and eventually settled at 1.3 by the day's end. Solar wind speeds measured a steady 524 km/s, while the interplanetary magnetic field component, Bz, hovered at 2.9 nT. These conditions provided little fuel for geomagnetic activity, resulting in a negligible hemispheric aurora power output of 0 GW. The geomagnetic disturbance index, Dst, sat at -10 nT, confirming the quietude observed across the magnetosphere.

Solar activity stayed equally modest on 2026-10-13. The sun produced only low-level B-class flares, a routine display compared to the historic archive records of more volatile cycles. For those tracking asteroids, the minor planet 2026 TP6 made its closest approach to Earth today. Data from NASA CNEOS confirmed the object posed no threat, passing by at a safe distance.

In the evening sky, observers continued to capitalise on the aftermath of Mercury reaching its greatest elongation east. While the peak occurred on 2026-10-12, the planet remained prominently placed for viewing just after sunset. Astronomers and casual stargazers alike found the planet easily identifiable in the fading twilight, providing a rare visual reward for those checking their local forecast for clear skies.

This report relies on data provided by the NOAA SWPC, which continuously monitors these solar-terrestrial dynamics. While some enthusiasts often scrutinise UAP reports for signs of anomalous activity during such periods, 2026-10-13 was defined strictly by the predictable, measured rhythms of our local star and the orbital mechanics of our inner planetary neighbours. Detailed imagery of the day's solar surface and a full glossary of these technical terms are available for those wishing to investigate the underlying physics further.