2025 YN
2025 YN
Current distance from Earth
79,511,312km
206.8 lunar distances0.532 AU
Heliocentric orbit · top-down · live
Next close approach
2026-Dec-18
Passes 18.2 lunar distances from Earth — about 7,014,793 km, closing at 13.1 km/s.
Orbit class
ATE
around the Sun
Orbital period
0.50 yr
183 days
Diameter
21 m
about the size of a house
Eccentricity
0.632
orbit shape
Inclination
10.2°
to the ecliptic
Discovered
—
Size in perspective
1.9×2025 YN is 1.9× the size of a double-decker bus.
Observe it tonight
Apparent brightness
mag 24.2
Too faint to observe
Right ascension
12h 21m
Declination
−11° 20′
From your location
tap to check ›
2025 YN is currently faint (magnitude 24.2) — 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 YN come to Earth?
Its next notable close approach is on 2026-Dec-18, when it passes about 18.2 lunar distances from Earth — roughly 7,014,793 km. 2025 YN is currently about 207 lunar distances away — the live orbit and distance are shown above.
Is 2025 YN going to hit Earth?
No impact is predicted. 2025 YN is not on any impact-risk watchlist. Its trajectory is continuously refined as new observations are gathered, and predicted close approaches are calculated decades ahead. Its live position and orbit are shown above.
How big is 2025 YN?
2025 YN is estimated at about 21 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 YN have?
2025 YN is ATE object. It orbits the Sun once every 0.50 years, on an elliptical path that spends much of its time inside Earth’s orbit. The interactive orbit diagram above shows where it is right now.
Can I see 2025 YN through a telescope?
Most of the time 2025 YN 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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