Almost every object here is eventually ruled out as observations improve. The figures are tiny probabilities, shown honestly as ranges.
MIN SIZE0 m
16 of 16 objects
Object
Size
Impact odds ▼
Palermo
Torino
Window
Trend
2010 RF12
5–13 m
1 in 20(5.0%)
-3.3
0
2095–2117
monitored
2023 DW
40–100 m
1 in 770(0.13%)
-2.8
1
2046–2054
watch
2012 HG2
9–22 m
1 in 910(0.11%)
-4.1
0
2052–2118
monitored
2000 SG344
37–80 m
1 in 1.1k(0.09%)
-2.9
0
2069–2122
watch
2024 SA3
30–70 m
1 in 2.5k(0.04%)
-3.7
0
2057–2099
watch
2009 JF1
8–20 m
1 in 3.8k(0.026%)
-3.5
0
2047 only
monitored
2021 EU
16–40 m
1 in 5.5k(0.018%)
-4.0
0
2031–2117
monitored
2008 JL3
20–48 m
1 in 6.7k(0.015%)
-3.6
0
2027–2122
monitored
2019 DS1
18–44 m
1 in 11k(0.009%)
-4.3
0
2082–2120
monitored
2017 WT28
11–28 m
1 in 14k(0.007%)
-4.8
0
2104–2117
monitored
2006 QV89
20–50 m
1 in 23k(0.004%)
-5.2
0
2073–2096
falling
2016 TB57
10–25 m
1 in 25k(0.004%)
-5.6
0
2089–2115
falling
2008 UB7
80–160 m
1 in 100k(0.001%)
-3.9
0
2046–2106
monitored
2007 FT3
260–420 m
1 in 104k(0.001%)
-3.0
0
2024–2119
monitored
2005 ED224
35–70 m
1 in 480k(0.0002%)
-4.5
0
2064–2104
monitored
1979 XB
390–900 m
1 in 1.8M(0.00006%)
-2.7
0
2056–2113
monitored
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.