C/1942 EA (Väisälä)
< C
| Discovery | |
|---|---|
| Discovered by | Yrjö Väisälä |
| Discovery site | University of Turku, Finland |
| Discovery date | 11 March 1942 |
| Designations | |
| |
| Orbital characteristics | |
| Epoch | 15 February 1942 (JD 2430406.3162) |
| Observation arc | 37 days |
| Number of observations | 7 |
| Aphelion | 33.93 AU |
| Perihelion | 1.288 AU |
| Semi-major axis | 19.41 AU |
| Eccentricity | 0.93369 |
| Orbital period | 85.52 years |
| Inclination | 37.865° |
| 172.28° | |
| Argument of periapsis | 335.57° |
| Mean anomaly | 0.452° |
| Last perihelion | 16 February 1942 |
| Next perihelion | 6 December 2027 |
| TJupiter | 1.386 |
| Earth MOID | 0.336 AU |
| Jupiter MOID | 1.543 AU |
| Physical characteristics | |
| Comet nuclear magnitude (M2) | 13.2 |
| 12.0 (1942 apparition) | |
C/1942 EA (Väisälä) is a Halley-type comet with an orbital period of 85 years. It is the third of four comets discovered by Finnish astronomer, Yrjö Väisälä.