(190333) Jirous Main-belt Asteroid
Discovered on 23 September 1998 by M. Tichy at Klet.
Ivan Martin Jirous (1944-2011) (known as Magor) was a poet, art historian, frontman of the rock group The Plastic People of the Universe and leading personality of the Czech underground movement during the communist regime. In prison he wrote the poetry collection Magorovy labutí písně.Naming citation (20120207/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Jirous is today
Seen from above the solar system on 2026-10-14: Jirous is 3.39 au from the Sun and 3.91 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 190333 |
| Provisional designation | 1998 SX14 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.67 km (#11,292 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0670 |
| Absolute magnitude (H) | 15.42 |
| Orbital period | 5.16 years |
| Semi-major axis | 2.99 au |
| Perihelion – aphelion | 2.49 – 3.49 au |
| Eccentricity | 0.168 |
| Inclination | 14.0° |
| Closest distance between its orbit and Earth's (MOID) | 1.50 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Ivan
- (5361) Goncharov
- (8244) Mikolaichuk
- (8609) Shuvalov
- (9732) Juchnovski
- (9932) Kopylov
- (11003) Andronov
- (11191) Paskvic
- (12513) Niven
- (17002) Kouzel
- (20045) Semeniuk
- (20654) Ivaneder
- (20658) Bushmarinov
All asteroids named after someone called Ivan
Also discovered on 23 September 1998
- (14147) Wenlingshuguang
- (14595) Peaker
- (44368) Andreafrigo
- (46920) Suzanedwards
- (74227) Kraan-Korteweg
- (234026) Unioneastrofili
- (246913) Slocum