| Discovery[1] | |
|---|---|
| Discovered by | Shigeru Kaho Stefan M. Kozik Władysław Lis |
| Discovery date | 17 July 1936 |
| Designations | |
| 1936b[2] 1936 III | |
| Orbital characteristics[3] | |
| Epoch | 11 July 1936 (JD 2428360.5) |
| Observation arc | 129 days |
| Number of observations | 65 |
| Aphelion | ~184 AU |
| Perihelion | 0.518 AU |
| Eccentricity | 0.99439 |
| Orbital period | ~888 years |
| Inclination | 121.94° |
| 265.01° | |
| Argument of periapsis | 45.850° |
| Last perihelion | 15 July 1936 |
| Next perihelion | ~2820s |
| TJupiter | –0.415 |
| Physical characteristics[4] | |
| Comet nuclear magnitude (M2) | 8.4 |
| 4.0–5.0 (1936 apparition) | |
Comet Kaho–Kosik–Lis, also known asC/1936 O1, is along-period comet that became barely visible to the naked eye in July 1936. It is the parent body of thePsi Scorpiidsmeteor shower.[5]
The comet was simultaneously discovered by three astronomers,Shigeru Kaho (Japan),Stefan M. Kozik (Turkmen SSR) andWładysław Lis (Poland) on the night of 17 July 1936.[4] It was a 6th-magnitude object located within the constellationLeo Minor at the time of its discovery,[a] and had started its outbound flight upon reaching perihelion about two days earlier.[3]
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