2025 UK9
2025 UK9
Current distance from Earth
74,124,376km
192.8 lunar distances0.495 AU
Heliocentric orbit · top-down · live
Next close approach
2026-Oct-31
Passes 0.82 lunar distances from Earth — about 314,648 km, closing at 7.8 km/s.
Long-term impact monitoring
2025 UK9 is tracked on the long-term monitoring list — here’s what the numbers actually mean.
Torino scale
0 — No hazard
Cumulative impact chance
1 in 6,276
0.016% across all dates
Palermo scale
-6.33
below background risk
Possible dates tracked
89
between 2040 and 2125
A Torino rating of 0 means no cause for concern, and a Palermo value of -6.33 — below zero — means the chance is lower than the background risk of a similar random impact over the same period. The headline figure is a cumulative probability spread across 89 possible dates between 2040 and 2125, so the chance on any one date is far smaller still. No impact is predicted, and objects are routinely removed from monitoring as their orbits are refined — both Apophis and 2024 YR4 were.
Orbit class
APO
around the Sun
Orbital period
1.00 yr
365 days
Diameter
4 m
about the size of a house
Eccentricity
0.263
orbit shape
Inclination
2.3°
to the ecliptic
Discovered
—
Size in perspective
2.2×2025 UK9 is 2.2× the size of an adult human.
Observe it tonight
Apparent brightness
mag 34.4
Too faint to observe
Right ascension
1h 35m
Declination
+4° 22′
From your location
tap to check ›
2025 UK9 is currently faint (magnitude 34.4) — it brightens around close approaches. Position is in equatorial coordinates (J2000); pair it with our sky conditions to plan a session.
Frequently asked questions
How close does 2025 UK9 come to Earth?
Its next notable close approach is on 2026-Oct-31, when it passes about 0.82 lunar distances from Earth — roughly 314,648 km, closer than many satellites. 2025 UK9 is currently about 193 lunar distances away — the live orbit and distance are shown above.
Is 2025 UK9 going to hit Earth?
No impact is predicted. 2025 UK9 is tracked on the long-term impact-monitoring list with a cumulative chance of roughly 1 in 6,276, spread across 89 possible dates between 2040 and 2125 — a very low probability. Its Torino rating is 0 (no hazard), and its Palermo value of -6.33 sits below the background level. Objects are removed from monitoring as their orbits are refined. The full impact-monitoring breakdown is shown above.
How big is 2025 UK9?
2025 UK9 is estimated at about 4 m across — about the size of a house. Size estimates are derived from how bright the asteroid appears and refined by radar and thermal measurements when it passes close to Earth.
What kind of orbit does 2025 UK9 have?
2025 UK9 is APO object. It orbits the Sun once every 1.00 years, on an elliptical path that reaches beyond Earth’s orbit and swings back toward the Sun. The interactive orbit diagram above shows where it is right now.
Can I see 2025 UK9 through a telescope?
Most of the time 2025 UK9 is far too faint to see, but during a close approach it can brighten enough for amateur telescopes. Check the close-approach date above, then plan your night with our sky and space-weather tools.
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