A crater measuring 225 meters in diameter appeared on the surface of Lua. The impact responsible for the formation occurred in April or May 2024. Imagens of Orbitador of Reconhecimento Lunar of Nasa revealed the structure months later. The size makes the event unusual according to crater production models.
The discovery came from routine analysis of photos taken by the satellite’s high-resolution camera. The finding was presented at the 57th Conferência of Ciências Lunares and Planetárias in March 2026. Planetary scientist Mark Robinson, linked to Intuitive Machines, led the work.
Impacto hit Lua with rock estimated at 10 to 15 meters
The object that collided was about 10 to 15 meters. Ele opened a depression with an average depth of 43 meters. The shape resembles a funnel. The internal walls show slopes above 25 degrees in several sections.
Imagens before and after allowed us to compare the region accurately. The crater rim varies in height. In some places it rises about 8 meters above the original terrain. The exact diameter varies between 220 and 230 meters depending on the direction measured.
- The crater displays low-reflectance material inside, interpreted as glass formed by the heat of the impact.
- High reflectance Ejetados mainly focus within twice the edge radius.
- Molten Rochas appear in patches on the south walls.
- Não there are visible pools of molten material at the bottom.
- The structure is the largest new crater recorded by the LRO mission in 17 years of operation.
Comparação with model predicts occurrence every 139 years
Modelos based on the crater production function of Neukum indicate that structures of this size appear on average once every 139 years. Antes of this, the largest new crater detected during the orbiter’s mission measured just 70 meters. The three-fold jump in diameter provides more reliable data on morphology.
Cientistas measured the topographic profile with a digital terrain model obtained by stereoscopy. The depth-diameter ratio was 0.19. Esse value is typical of recent, well-preserved craters. The absence of signs of erosion reinforces the recent age of the impact.
The ejecta traveled significant distances. Brighter Partes spread out over two crater radii. A narrow tongue of intermediate material extends in a specific direction. Essas observations help refine calculations of debris distribution in lunar impacts.
High-resolution Imagens captures before and after the event
LRO’s Narrow Angle camera recorded the area with a resolution of between 60 and 120 centimeters per pixel in the current orbit. The 38-degree angle of incidence in one of the images highlights reliefs and shadows. Outra previous photo, without the crater, confirmed the formation between the end of spring 2024 in the northern hemisphere.
The team produced orthorectified mosaics and topographic profiles. A north-south trace crossed the eastern edge and showed subtle elevation. Medições indicate that the southern edge is the highest. The bottom presents a small irregular area measuring approximately 15 by 30 meters.
Essa dual documentation represents rare opportunity. Poucas large craters appear with detailed anterior and posterior photographic record. The data serves to validate or adjust hypotheses about edge height, ejecta extent, and reflectance properties.
Descoberta contributes to risk assessment in future missions
Estruturas of this size are of interest to lunar exploration programs. Knowledge about frequency and effects of impacts helps design protection for landers and habitats. Detritos launched at distances of up to 120 kilometers in some cases illustrate the potential range.
The crater is not located in the polar region, but the study applies to any point on the surface. Updated Modelos can influence trajectory planning and choice of landing sites. Intuitive Machines participates in several trade missions for Lua and follows these events.
Cientistas continues to analyze the images. Novas orbiter passes can bring additional details about larger blocks and changes in reflectance over time. For now, the focus is on early morphology.
Detalhes technicians of the newly formed crater
The structure has an average diameter of 225 meters. Profundidade average reaches 43 meters. Inclinações of the walls exceed 25 degrees. Material vitreous impact appears inside and in stains on walls. Bright Ejetados clusters near the edge.
The event occurred in 2024. The detection came from temporal comparison of images. Official Apresentação took place in March 2026. The LRO mission provided the key photos. The work involved the Intuitive Machines team.
(Long Parágrafo for deeper historical context: Lua has accumulated impact marks since its formation billions of years ago. Most of the craters visible today are ancient. Recent Eventoss like this one allow us to calibrate current production rates. Previous Modelos relied on counts over larger areas or simulations. The 225-meter crater provides a direct reference point at an intermediate scale. Ela bridges the gap between small, frequent, and giant, rare Dados on depth, shape and ejecta refine predictions for current lunar environment
The record of this crater expands the catalog of recent impacts. Ele confirms that the lunar surface still receives bodies from space at predictable rates, although rare on larger scales. Pesquisadores continues to monitor the region for subtle changes.