2026 RH3
2026 RH3
Current distance from Earth
11,491,350km
29.9 lunar distances0.077 AU
Heliocentric orbit · top-down · live
Next close approach
2026-Sep-19
Passes 17.1 lunar distances from Earth — about 6,583,845 km, closing at 11.7 km/s.
Orbit class
APO
around the Sun
Orbital period
1.73 yr
631 days
Diameter
25 m
about the size of a house
Eccentricity
0.466
orbit shape
Inclination
2.3°
to the ecliptic
Discovered
—
Size in perspective
2.3×2026 RH3 is 2.3× the size of a double-decker bus.
Observe it tonight
Apparent brightness
mag 28.1
Too faint to observe
Right ascension
21h 20m
Declination
+18° 32′
From your location
tap to check ›
2026 RH3 is currently faint (magnitude 28.1) — 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 2026 RH3 come to Earth?
Its next notable close approach is on 2026-Sep-19, when it passes about 17.1 lunar distances from Earth — roughly 6,583,845 km. 2026 RH3 is currently about 30 lunar distances away — the live orbit and distance are shown above.
Is 2026 RH3 going to hit Earth?
No impact is predicted. 2026 RH3 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 2026 RH3?
2026 RH3 is estimated at about 25 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 2026 RH3 have?
2026 RH3 is APO object. It orbits the Sun once every 1.73 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 2026 RH3 through a telescope?
Most of the time 2026 RH3 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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