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Announcement

Starlink urges satellite operators to share orbital data

Starlink says it publishes its own ephemeris data hourly, including upcoming maneuvers, and offers other operators free data sharing.

SpaceXSP
StarlinkST
Anatolii / Cyber Threats & TechA/
22 Sources, 2h ago, first seen 2h ago

TLDR

Starlink is urging satellite operators to share data about where their satellites are headed, including planned maneuvers. It says it publishes its own ephemeris data hourly and offers a free system for other operators to share theirs. An excerpt of a SpaceX update shared by a user says Starlink observed about 164,000 close approaches within four hours after unannounced maneuvers over six months; SpaceX says not all were high-risk.

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547.7K

22 Sources, first seen 2h ago

3.1K likes154 comments138 saves368 reposts

Combined views

547.7K

22 Sources, first seen 2h ago

3.1K likes154 comments138 saves368 reposts

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22 Sources

SpaceX@SpaceXRT @Starlink: As access to space accelerates, and the number of satellites in orbit continues to grow, space safety will continue to be a t…2h
Starlink@StarlinkStarlink publishes high-accuracy ephemeris for the constellation publicly every hour, including upcoming maneuvers. This system is available for all operators to not only see but to share their own satellite ephemeris data for free → https://space-safety.com1h
Anatolii / Cyber Threats & Tech@Anatolii_XXLDemanding shared ephemeris data and predicted maneuvers isn't just about safety—it's a corporate ultimatum to sovereign nations. You are forcing state militaries to expose their classified hardware tracks under the guise of an open protocol. The tech imperium is rewriting the rules of engagement, forcing governments to comply with a private traffic management system. Who is really subverting national security when state assets must ask a corporation for permission to move?1h
Demi🧜🏽‍♀️@kiedrademi@Starlink Sharing ephemeris data is becoming essential as orbital traffic keeps growing. You and @JonLeeMiller are the two accounts I most enjoy following.1h
ℜ𝔬𝔰𝔢 𖨆♡𖨆@Rose_M_Leohttps://space-safety.com @Starlink Space Safety platform provides free ephemeris sharing, instant conjunction screening, and prediction analysis for satellite operators.1h
Julian C@JulianUnlocked@Starlink I get why sharing ephemeris data is important, but you gotta wonder if there’s a way to automate more of this. Humans are always the slow part, right? Wonder how AI could help with predicting and sharing.1h
𝐇𝐓𝐀𝐑𝚰𝐇𝐂 🌈☀️@Raptor_54321Yoo! A thread of posts relating to a Starlink space safety presentation at the IAC means we got more deployment views! 😭1h
Jessica Zanello@Zanello7777Be a good space operator and share your satellites’ ephemeris data. 🛰 🇺🇸1h
Sawyer Merritt@SawyerMerrittSpaceX has introduced a new Space Safety website. "SpaceX plans to operate up to 100,000 Starlink satellites and up to 1 million Starmind AI satellites to meet the growing demand for broadband and supercompute. We will do this safely and at scale using the industry-leading space safety standards we have developed to date. Responsible operations requires being constantly cognizant of upcoming conjunctions for an operator’s satellites, and taking any necessary steps to mitigate collision risk. For Starlink, this process begins prior to launch, with proactive launch screening constraining launch T0’s to ensure that newly launched satellites don’t get deployed immediately into a high-risk conjunction. In 2026, Starlink encountered conjunctions with about 650 unique maneuvering third-party satellites, with only about half of them actually sharing ephemeris. Some operators don’t share ephemeris out of a concern that sharing upcoming maneuvers gives away proprietary information. In other circumstances, operators are willing to share data, but are unable to receive permission from the government to do so. Such policies are counterproductive, and largely only serve to create preventable collision risk between satellites. Over six months, Starlink observed ~164,000 conjunctions where time of closest approach (TCA) was within four hours after an unannounced maneuver. While not all of these conjunctions were high-risk, they represent cases where Starlink would not have sufficient information to reliably avoid the other vehicle if the other operator’s action created a high-risk conjunction. In many cases, the lack of high-accuracy post-maneuver trajectory information can cause such conjunctions to go unnoticed, giving operators a false sense of confidence and not realizing how much risk their actions are creating." More info: https://starlink.com/updates/space-safety1h
Eternal Signal@EternalSignal_@Starlink Space safety ultimately depends on shared situational awareness. Accurate ephemeris data, predicted trajectories, and timely maneuver information can help operators anticipate conjunctions and make safer decisions before small uncertainties become serious risks.1h
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    Starlink

    22 Sources

    SpaceX@SpaceXRT @Starlink: As access to space accelerates, and the number of satellites in orbit continues to grow, space safety will continue to be a t…2h
    Starlink@StarlinkStarlink publishes high-accuracy ephemeris for the constellation publicly every hour, including upcoming maneuvers. This system is available for all operators to not only see but to share their own satellite ephemeris data for free → https://space-safety.com1h
    Anatolii / Cyber Threats & Tech@Anatolii_XXLDemanding shared ephemeris data and predicted maneuvers isn't just about safety—it's a corporate ultimatum to sovereign nations. You are forcing state militaries to expose their classified hardware tracks under the guise of an open protocol. The tech imperium is rewriting the rules of engagement, forcing governments to comply with a private traffic management system. Who is really subverting national security when state assets must ask a corporation for permission to move?1h
    Demi🧜🏽‍♀️@kiedrademi@Starlink Sharing ephemeris data is becoming essential as orbital traffic keeps growing. You and @JonLeeMiller are the two accounts I most enjoy following.1h
    ℜ𝔬𝔰𝔢 𖨆♡𖨆@Rose_M_Leohttps://space-safety.com @Starlink Space Safety platform provides free ephemeris sharing, instant conjunction screening, and prediction analysis for satellite operators.1h
    Julian C@JulianUnlocked@Starlink I get why sharing ephemeris data is important, but you gotta wonder if there’s a way to automate more of this. Humans are always the slow part, right? Wonder how AI could help with predicting and sharing.1h
    𝐇𝐓𝐀𝐑𝚰𝐇𝐂 🌈☀️@Raptor_54321Yoo! A thread of posts relating to a Starlink space safety presentation at the IAC means we got more deployment views! 😭1h
    Jessica Zanello@Zanello7777Be a good space operator and share your satellites’ ephemeris data. 🛰 🇺🇸1h
    Sawyer Merritt@SawyerMerrittSpaceX has introduced a new Space Safety website. "SpaceX plans to operate up to 100,000 Starlink satellites and up to 1 million Starmind AI satellites to meet the growing demand for broadband and supercompute. We will do this safely and at scale using the industry-leading space safety standards we have developed to date. Responsible operations requires being constantly cognizant of upcoming conjunctions for an operator’s satellites, and taking any necessary steps to mitigate collision risk. For Starlink, this process begins prior to launch, with proactive launch screening constraining launch T0’s to ensure that newly launched satellites don’t get deployed immediately into a high-risk conjunction. In 2026, Starlink encountered conjunctions with about 650 unique maneuvering third-party satellites, with only about half of them actually sharing ephemeris. Some operators don’t share ephemeris out of a concern that sharing upcoming maneuvers gives away proprietary information. In other circumstances, operators are willing to share data, but are unable to receive permission from the government to do so. Such policies are counterproductive, and largely only serve to create preventable collision risk between satellites. Over six months, Starlink observed ~164,000 conjunctions where time of closest approach (TCA) was within four hours after an unannounced maneuver. While not all of these conjunctions were high-risk, they represent cases where Starlink would not have sufficient information to reliably avoid the other vehicle if the other operator’s action created a high-risk conjunction. In many cases, the lack of high-accuracy post-maneuver trajectory information can cause such conjunctions to go unnoticed, giving operators a false sense of confidence and not realizing how much risk their actions are creating." More info: https://starlink.com/updates/space-safety1h
    Eternal Signal@EternalSignal_@Starlink Space safety ultimately depends on shared situational awareness. Accurate ephemeris data, predicted trajectories, and timely maneuver information can help operators anticipate conjunctions and make safer decisions before small uncertainties become serious risks.1h
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