API Reference / crossings · function
Function: crossings()
function crossings(
engine,
body,
targetLon,
jdStart,
jdEnd,
zodiac?,
maxHits?): number[];
UT JDs where the body's apparent longitude crosses targetLon (degrees) in [jdStart, jdEnd]. Retrograde bodies can cross a degree three times; every crossing is returned in time order.
Parameters
| Parameter | Type | Default value |
|---|---|---|
engine | Engine | undefined |
body | BodyId | undefined |
targetLon | number | undefined |
jdStart | number | undefined |
jdEnd | number | undefined |
zodiac | Zodiac | "tropical" |
maxHits | number | 60 |
Returns
number[]