fix: 修正行星事件边界与留点计算
- 统一 UT 事件时刻与 TT 查询时刻的边界判断 - 将外行星留点搜索锚定到对应冲日周期 - 修正水星、金星合日、留、大距事件选择 - 统一七大行星视位置计算辅助逻辑 - 增加公开 Last/Next 边界和 JPL/NAOJ 基线回归测试
This commit is contained in:
+66
-65
@@ -40,6 +40,28 @@ func uranusSunLongitudeDeltaN(jde, degree float64, filter bool, n int) float64 {
|
||||
return sub
|
||||
}
|
||||
|
||||
func uranusRADerivative(jde, delta float64) float64 {
|
||||
sub := UranusApparentRa(jde+delta) - UranusApparentRa(jde-delta)
|
||||
if sub > 180 {
|
||||
sub -= 360
|
||||
}
|
||||
if sub < -180 {
|
||||
sub += 360
|
||||
}
|
||||
return sub / (2 * delta)
|
||||
}
|
||||
|
||||
func uranusRADerivativeN(jde, delta float64, n int) float64 {
|
||||
sub := UranusApparentRaN(jde+delta, n) - UranusApparentRaN(jde-delta, n)
|
||||
if sub > 180 {
|
||||
sub -= 360
|
||||
}
|
||||
if sub < -180 {
|
||||
sub += 360
|
||||
}
|
||||
return sub / (2 * delta)
|
||||
}
|
||||
|
||||
func uranusConjunctionFull(jde, degree float64, next uint8) float64 {
|
||||
//0=last 1=next
|
||||
daysPerDegree := URANUS_S_PERIOD / 360
|
||||
@@ -94,113 +116,92 @@ func uranusConjunction(jde, degree float64, next uint8) float64 {
|
||||
}
|
||||
|
||||
func LastUranusConjunction(jde float64) float64 {
|
||||
return uranusConjunction(jde, 0, 0)
|
||||
return inclusiveLastPhaseEvent(jde, 0, uranusConjunction)
|
||||
}
|
||||
|
||||
func NextUranusConjunction(jde float64) float64 {
|
||||
return uranusConjunction(jde, 0, 1)
|
||||
return inclusiveNextPhaseEvent(jde, 0, uranusConjunction)
|
||||
}
|
||||
|
||||
func LastUranusOpposition(jde float64) float64 {
|
||||
return uranusConjunction(jde, 180, 0)
|
||||
return inclusiveLastPhaseEvent(jde, 180, uranusConjunction)
|
||||
}
|
||||
|
||||
func NextUranusOpposition(jde float64) float64 {
|
||||
return uranusConjunction(jde, 180, 1)
|
||||
return inclusiveNextPhaseEvent(jde, 180, uranusConjunction)
|
||||
}
|
||||
|
||||
func NextUranusEasternQuadrature(jde float64) float64 {
|
||||
return uranusConjunction(jde, 90, 1)
|
||||
return inclusiveNextPhaseEvent(jde, 90, uranusConjunction)
|
||||
}
|
||||
|
||||
func LastUranusEasternQuadrature(jde float64) float64 {
|
||||
return uranusConjunction(jde, 90, 0)
|
||||
return inclusiveLastPhaseEvent(jde, 90, uranusConjunction)
|
||||
}
|
||||
|
||||
func NextUranusWesternQuadrature(jde float64) float64 {
|
||||
return uranusConjunction(jde, 270, 1)
|
||||
return inclusiveNextPhaseEvent(jde, 270, uranusConjunction)
|
||||
}
|
||||
|
||||
func LastUranusWesternQuadrature(jde float64) float64 {
|
||||
return uranusConjunction(jde, 270, 0)
|
||||
return inclusiveLastPhaseEvent(jde, 270, uranusConjunction)
|
||||
}
|
||||
|
||||
func uranusRetrograde(jde float64, searchBeforeOpposition bool) float64 {
|
||||
//0=last 1=next
|
||||
raRate := func(jde float64, delta float64) float64 {
|
||||
sub := UranusApparentRa(jde+delta) - UranusApparentRa(jde-delta)
|
||||
if sub > 180 {
|
||||
sub -= 360
|
||||
}
|
||||
if sub < -180 {
|
||||
sub += 360
|
||||
}
|
||||
return sub / (2 * delta)
|
||||
}
|
||||
jde = uranusConjunctionFull(jde, 180, 1)
|
||||
func uranusRetrogradeAroundOpposition(oppositionJD float64, searchBeforeOpposition bool) float64 {
|
||||
oppositionTT := TD2UT(oppositionJD, true)
|
||||
startTT := oppositionTT
|
||||
endTT := oppositionTT
|
||||
if searchBeforeOpposition {
|
||||
jde -= 60
|
||||
easternQuadratureUT := uranusConjunction(oppositionTT, 90, 0)
|
||||
startTT = TD2UT(easternQuadratureUT, true)
|
||||
} else {
|
||||
jde += 60
|
||||
westernQuadratureUT := uranusConjunction(oppositionTT, 270, 1)
|
||||
endTT = TD2UT(westernQuadratureUT, true)
|
||||
}
|
||||
for {
|
||||
currentRate := raRate(jde, 1.0/86400.0)
|
||||
if math.Abs(currentRate) > 0.55 {
|
||||
jde += 2
|
||||
continue
|
||||
}
|
||||
break
|
||||
}
|
||||
estimateJD := jde
|
||||
for {
|
||||
prevJD := estimateJD
|
||||
rateValue := raRate(prevJD, 2.0/86400.0)
|
||||
rateSlope := (raRate(prevJD+15.0/86400.0, 2.0/86400.0) - raRate(prevJD-15.0/86400.0, 2.0/86400.0)) / (30.0 / 86400.0)
|
||||
estimateJD = prevJD - rateValue/rateSlope
|
||||
if math.Abs(estimateJD-prevJD) <= 30.0/86400.0 {
|
||||
break
|
||||
}
|
||||
}
|
||||
bestJD := eventZeroRefine(estimateJD, 15.0/86400.0, 0.5/86400.0, func(jd float64) float64 {
|
||||
return raRate(jd, 0.5/86400.0)
|
||||
bestJD := zeroEventInWindow(startTT, endTT, 2.0, 2.0, 30.0/86400.0, func(jd float64) float64 {
|
||||
return uranusRADerivativeN(jd, 1.0/86400.0, uranusEventSearchN)
|
||||
}, func(jd float64) float64 {
|
||||
return uranusRADerivative(jd, 0.5/86400.0)
|
||||
})
|
||||
return TD2UT(bestJD, false)
|
||||
}
|
||||
|
||||
func NextUranusRetrogradeToPrograde(jde float64) float64 {
|
||||
date := uranusRetrograde(jde, false)
|
||||
if date < jde {
|
||||
oppositionJD := uranusConjunctionFull(jde, 180, 1)
|
||||
return uranusRetrograde(oppositionJD+10, false)
|
||||
lastOppositionJD := uranusConjunctionFull(jde, 180, 0)
|
||||
date := uranusRetrogradeAroundOpposition(lastOppositionJD, false)
|
||||
if sameEventUTQueryTT(date, jde) || eventUTQueryAfterOrEqual(date, jde) {
|
||||
return date
|
||||
}
|
||||
return date
|
||||
nextOppositionJD := uranusConjunctionFull(jde, 180, 1)
|
||||
return uranusRetrogradeAroundOpposition(nextOppositionJD, false)
|
||||
}
|
||||
|
||||
func LastUranusRetrogradeToPrograde(jde float64) float64 {
|
||||
jde = uranusConjunctionFull(jde, 180, 0) - 10
|
||||
date := uranusRetrograde(jde, false)
|
||||
if date > jde {
|
||||
oppositionJD := uranusConjunctionFull(jde, 180, 0)
|
||||
return uranusRetrograde(oppositionJD-10, false)
|
||||
lastOppositionJD := uranusConjunctionFull(jde, 180, 0)
|
||||
date := uranusRetrogradeAroundOpposition(lastOppositionJD, false)
|
||||
if sameEventUTQueryTT(date, jde) || eventUTQueryBeforeOrEqual(date, jde) {
|
||||
return date
|
||||
}
|
||||
return date
|
||||
previousOppositionJD := uranusConjunctionFull(eventUTLastQueryTT(lastOppositionJD), 180, 0)
|
||||
return uranusRetrogradeAroundOpposition(previousOppositionJD, false)
|
||||
}
|
||||
|
||||
func NextUranusProgradeToRetrograde(jde float64) float64 {
|
||||
date := uranusRetrograde(jde, true)
|
||||
if date < jde {
|
||||
oppositionJD := uranusConjunctionFull(jde, 180, 1)
|
||||
return uranusRetrograde(oppositionJD+10, true)
|
||||
nextOppositionJD := uranusConjunctionFull(jde, 180, 1)
|
||||
date := uranusRetrogradeAroundOpposition(nextOppositionJD, true)
|
||||
if sameEventUTQueryTT(date, jde) || eventUTQueryAfterOrEqual(date, jde) {
|
||||
return date
|
||||
}
|
||||
return date
|
||||
followingOppositionJD := uranusConjunctionFull(eventUTNextQueryTT(nextOppositionJD), 180, 1)
|
||||
return uranusRetrogradeAroundOpposition(followingOppositionJD, true)
|
||||
}
|
||||
|
||||
func LastUranusProgradeToRetrograde(jde float64) float64 {
|
||||
jde = uranusConjunctionFull(jde, 180, 0) - 10
|
||||
date := uranusRetrograde(jde, true)
|
||||
if date > jde {
|
||||
oppositionJD := uranusConjunctionFull(jde, 180, 0)
|
||||
return uranusRetrograde(oppositionJD-10, true)
|
||||
nextOppositionJD := uranusConjunctionFull(jde, 180, 1)
|
||||
date := uranusRetrogradeAroundOpposition(nextOppositionJD, true)
|
||||
if sameEventUTQueryTT(date, jde) || eventUTQueryBeforeOrEqual(date, jde) {
|
||||
return date
|
||||
}
|
||||
return date
|
||||
lastOppositionJD := uranusConjunctionFull(jde, 180, 0)
|
||||
return uranusRetrogradeAroundOpposition(lastOppositionJD, true)
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user