(235837) Iota Main-belt Asteroid
Discovered on 19 December 2004 by J. Dellinger at Needville.
The International Occultation Timing Association (IOTA), founded in 1983, promotes and encourages observations of occultations by amateurs and professionals by providing event predictions, data analysis, results publication and distribution, and support for the Journal for Occultation Astronomy.Naming citation (WGSBN Bull. 2, #5, 11), IAU / Minor Planet Center, via NASA/JPL
Where Iota is today
Seen from above the solar system on 2026-10-14: Iota is 2.67 au from the Sun and 1.95 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 235837 |
| Provisional designation | 2004 YP1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.92 km (#10,775 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0460 |
| Absolute magnitude (H) | 15.65 |
| Orbital period | 4.61 years |
| Semi-major axis | 2.77 au |
| Perihelion – aphelion | 2.32 – 3.21 au |
| Eccentricity | 0.161 |
| Inclination | 20.1° |
| Closest distance between its orbit and Earth's (MOID) | 1.40 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.