Risk list

Objects astronomers are actively monitoring.

Almost every object here is eventually ruled out as observations improve. The figures are tiny probabilities, shown honestly as ranges.

MIN SIZE0 m
4134 of 4134 objects
ObjectSizeImpact odds ▼PalermoTorinoWindowTrend
2010 RF126–12 m1 in 10 (10.26%)-3.002095–2122monitored
2020 CD31–3 m1 in 40 (2.52%)-5.602082–2118monitored
2017 WT286–14 m1 in 87 (1.15%)-3.902083–2121monitored
2006 RH1203–7 m1 in 122 (0.82%)-4.502044–2124monitored
2020VWsize unknown1 in 128 (0.78%)-4.002074–2093monitored
2024RF10size unknown1 in 131 (0.77%)-3.602092–2118monitored
2017WT28size unknown1 in 142 (0.70%)-4.102083–2121monitored
2020 VW6–13 m1 in 142 (0.70%)-4.102074–2079monitored
2006JY26size unknown1 in 146 (0.68%)-4.002073–2120monitored
2020VVsize unknown1 in 193 (0.52%)-3.802044–2121monitored
2026 CQ48–18 m1 in 199 (0.50%)-3.802072–2125monitored
2006 JY266–13 m1 in 199 (0.50%)-4.202073–2122monitored
2020 CQ15–10 m1 in 215 (0.46%)-4.302070–2122monitored
2026CQ4size unknown1 in 217 (0.46%)-3.902072–2125monitored
2020CQ1size unknown1 in 222 (0.45%)-4.302070–2119monitored
2022SX55size unknown1 in 236 (0.42%)-4.202035–2045monitored
2022NX1size unknown1 in 237 (0.42%)-4.102075–2122monitored
2011AM37size unknown1 in 246 (0.41%)-4.902048–2108monitored
2022 SX552–5 m1 in 248 (0.40%)-4.202035–2058monitored
2025FK14size unknown1 in 304 (0.33%)-4.802080–2124monitored
2022 NX17–15 m1 in 315 (0.32%)-4.302075–2121monitored
2026DL14size unknown1 in 347 (0.29%)-4.702063–2088monitored
2000SG344size unknown1 in 355 (0.28%)-3.202069–2122monitored
2000 SG34429–65 m1 in 365 (0.27%)-3.102069–2122monitored
2021EL3size unknown1 in 366 (0.27%)-5.302088–2122monitored
2025 FK143–7 m1 in 412 (0.24%)-5.002080–2090monitored
2023VD3size unknown1 in 426 (0.24%)-2.702034–2039monitored
2017LDsize unknown1 in 427 (0.23%)-4.702053–2122monitored
2020 VV9–21 m1 in 431 (0.23%)-4.302044–2122monitored
2017 LD8–19 m1 in 451 (0.22%)-4.702053–2122monitored
2000 LG64–9 m1 in 469 (0.21%)-5.402081–2122monitored
2012 HG211–24 m1 in 504 (0.20%)-4.302052–2122monitored
2016VB1size unknown1 in 515 (0.19%)-5.202065–2122monitored
2018JDsize unknown1 in 565 (0.18%)-3.802067–2067monitored
2020 VN17–16 m1 in 586 (0.17%)-4.702115–2122monitored
2022 UL114–9 m1 in 609 (0.16%)-5.402096–2123monitored
2022UL11size unknown1 in 610 (0.16%)-5.302096–2121monitored
2015 YJ6–13 m1 in 610 (0.16%)-4.302042–2122monitored
2015YJsize unknown1 in 629 (0.16%)-4.302042–2122monitored
2010 VQ8–17 m1 in 631 (0.16%)-4.502087–2122monitored
2021FM2size unknown1 in 637 (0.16%)-5.202070–2083monitored
2025 DW2–4 m1 in 651 (0.15%)-6.202081–2125monitored
2000LG6size unknown1 in 694 (0.14%)-5.402082–2122monitored
2016SA2size unknown1 in 714 (0.14%)-5.302110–2122monitored
2014JR24size unknown1 in 719 (0.14%)-5.202069–2121monitored
2012HG2size unknown1 in 725 (0.14%)-4.602052–2122monitored
2016 VB15–12 m1 in 735 (0.14%)-5.502065–2121monitored
2025DWsize unknown1 in 775 (0.13%)-6.102068–2122monitored
2011 AM373–7 m1 in 834 (0.12%)-5.302048–2119monitored
2021EJ3size unknown1 in 840 (0.12%)-4.902078–2123monitored
Showing 1–50 of 4134
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Palermo scale compares the hazard to the random background risk — negative means below background, i.e. less likely than the everyday chance of a similar event.Torino scale runs 0–10. 0 = no hazard; 1 = routine, merits monitoring. Almost everything here is 0 or 1.
Recently added / removed
removedToday
2024 YR4

Ruled out after follow-up; odds fell ~600×.

added2 days ago
2025 SA3

Newly discovered; short arc, awaiting more data.

removed5 days ago
2019 SU3

Cleared as the orbit was refined.

See the 2024 YR4 timeline — how an object leaves this list →

Data: NASA/JPL CNEOS · ESA NEOCC · IAU MPC.