For operators of small or large constellations of satellites who need to have a complete situational awareness of their fleet with utmost reliability, Kayhan provides a fully scalable cloud-based collision avoidance service. Unlike other services, Kayhan's notification system easily integrates with any form of notification channel and ensures that the operators are aware of the upcoming high-interest events. Kayhan uses complex mathematical algorithms and advanced machine learning techniques to aid operators to make the safest avoidance decisions, because at Kayhan we understand that a safe space domain is the best space to operate in.