DE405 Lunar Ephemeris Calculator Based on the 600-year NASA/JPL DE405 Ephemeris Model Spanning the Period From 1600 to 2200 on the Modern Gregorian Calendar
Calendar Date Year / Month / Day	Time hh:mm:ss	Date/Time Mode LT | UT | TT	Local Time Zone Offset From UT ±hh:mm (Neg/Pos  =  West/East)
			Local Time (LT) =  UT
Default Location:  America/New_York - Your Local Latitude, Lonitude and Time Zone May be Different
Geographic Location Used For Local Topocentric Computations			307.3818 deg
Latitude Deg.ddd or DMS (Neg=S)	Longitude Deg.ddd or DMS (Neg=W)	Sea-Level Elevation meters
QUICK DE405 LUNAR EPHEMERIS STATISTICS ---------------------------- DATE/TIME/MODE/ZONE/LOCATION Date = 2025 Aug 18 Mon Time = 21:29:28 LT Time Zone = UT-04:00 Delta T = +00:01:15 Latitude = +42.6764593 deg N = +42° 40' 35.25" Longitude = -76.8230111 deg W = -76° 49' 22.84" = -05h 07m 17.52s Elevation = +0.0 m JD TT = 2460906.56299769 = Working Julian Date on TT scale Phase Angle = 307.3818 deg Visual Phase = Waning crescent moon Horizon Altitude = -19.800° BELOW local horizon - Descending in N Direction Azimuth = 359.345° = N (N=0, E=90, S=180, W=270) ====================================================================== TIME LT LOCAL BASIC EVENTS SCHEDULE FOR DATE -------- ------------------------------------ 00:42 Moonrise - Waning crescent moon 06:18 Sunrise 17:22 Moonset 20:03 Sunset ====================================================================== GEOCENTRIC LUNAR COORDINATES AND DISTANCE Right Ascension = 06h 16m 53.398s = 6.2814994 h = 94.222491° Declination = +28° 26' 13.66" = +28.437128° Distance = 232461.046 mi = 374109.790 km Angular Diameter = 31' 56.58" = 31.94305' = 1916.58" = 0.5323842° Eq. Horiz. Parallax = 58' 36.75" = 0.9768740° = 58.61244' = 3516.75" Local Hour Angle = +11h 57m 10.88s = +11.9530210 h = +179.2953150° ----------------------------- TOPOCENTRIC LUNAR COORDINATES Right Ascension = 06h 16m 51.018s = 6.2808382 h = 94.2125730° Declination = +27° 31' 14.07" = +27.520574° Radial Velocity = +89.32 km/h = +55.50 mi/h = Receding from Earth Orbital Velocity = 3779.97 km/h = 2348.76 mi/h AUGUST 2025 - Lunar Quarter Phases, Apogees and Perigees For Time Zone UT-04:00 Applied NASA Delta T = +00:01:15 Date and Time LT Lunar Event --------------------- ----------------------------------- 2025 Aug 01 Fri 08:41 First Quarter Moon = Phase 90 2025 Aug 01 Fri 16:36 Apogee 251134.22 mi = 404161.35 km 2025 Aug 09 Sat 03:55 Full Moon = Phase 180 2025 Aug 14 Thu 13:59 Perigee 229465.10 mi = 369288.28 km 2025 Aug 16 Sat 01:12 Last Quarter Moon = Phase 270 2025 Aug 23 Sat 02:06 New Moon = Phase 0/360 2025 Aug 29 Fri 11:34 Apogee 251374.34 mi = 404547.78 km 2025 Aug 31 Sun 02:25 First Quarter Moon = Phase 90 There are two first quarter moons in August of 2025 LT. There are also two lunar apogees in August of 2025 LT.
EXTENDED DE405 LUNAR EPHEMERIS STATISTICS AND HOURLY TABLES Time Mode = LT Time Zone = UT-04:00 ---------------------------------------------------------- CALENDAR DATE TIME JULIAN DATE JD NUMBER --------------- ----------- ---------------- ----------- 2025 Aug 18 Mon 21:29:28 LT 2460906.39546296 2460906 LT -04:00:00 TZ -0.16666667 2025 Aug 19 Tue 01:29:28 UT 2460906.56212963 2460907 UT +00:01:15 dT +0.00086806 2025 Aug 19 Tue 01:30:43 TT 2460906.56299769 2460907 TT JD TT = 2460906.56299769 = Working Julian Date on TT scale Latitude = +42.6764593 deg N = +42° 40' 35.25" Longitude = -76.8230111 deg W = -76° 49' 22.84" = -05h 07m 17.52s Elevation = +0.0 m ----------- EARTH GEOID ρ × sin(φ') = +0.6743577407 ρ × cos(φ') = +0.7363265249 ---------------------- APPARENT SIDEREAL TIME Greenwich 23h 21m 21.80s = 23.3560545 h = 350.3408169 deg Local 18h 14m 04.27s = 18.2345204 h = 273.5178058 deg ================================================================= LUNAR POSITION, DISTANCE, PHASE AND LOCAL SUN/MOON RISE/SET TIMES Date = 2025 Aug 18 Mon Time = 21:29:28 LT Time Zone = UT-04:00 Delta T = +00:01:15 JD TT = 2460906.56299769 GEOGRAPHIC LOCATION Latitude = +42.6764593 deg N = +42° 40' 35.25" Longitude = -76.8230111 deg W = -76° 49' 22.84" = -05h 07m 17.52s Elevation = +0.0 m GEOCENTRIC LUNAR COORDINATES Right Ascension = 06h 16m 53.398s = 6.2814994 h = 94.222491° Declination = +28° 26' 13.66" = +28.437128° Distance = 232461.046 mi = 374109.790 km Phase Angle = 307.38185° Visual Phase = Waning crescent moon Angular Diameter = 31' 56.58" = 31.94305' = 1916.58" = 0.5323842° Eq. Horiz. Parallax = 58' 36.75" = 0.9768740° = 58.61244' = 3516.75" Radial Velocity = +89.32 km/h = +55.50 mi/h = Receding from Earth Orbital Velocity = 3779.97 km/h = 2348.76 mi/h TOPOCENTRIC LUNAR COORDINATES Right Ascension = 06h 16m 51.018s = 6.2808382 h = 94.2125730° Declination = +27° 31' 14.07" = +27.520574° Horizon Altitude = -19.800° BELOW local horizon - Descending in N Direction Azimuth = 359.345° = N (N=0, E=90, S=180, W=270) Local Hour Angle = +11h 57m 10.88s = +11.9530210 h = +179.2953150° Light Time = 1.2209 sec = 1-way surface-to-surface = 2.4417 sec = 2-way surface-to-surface -------- ------------------------------------------------ TIME LT LOCAL EVENTS SCHEDULE FOR DATE 00:42 Moonrise - Waning crescent moon 06:18 Sunrise 17:22 Moonset 20:03 Sunset ----------------------------------------------------------------- HOURLY GEOCENTRIC LUNAR COORDINATES, DISTANCE AND PHASE EPHEMERIS DATE = 2025 Aug 18 Mon LT TZ = UT-04:00 = Time Zone Offset From UT (Neg/Pos = West/East) dT = +00:01:15 = NASA Delta T estimate Table Origin for 00:00:00 LT of date = 2460905.66753473 TT LT hh RA Hrs Decl Deg Dist Km Dist Mi Phase Deg -- ---------- ---------- ---------- ---------- --------- -3 5.2022407 +28.235471 372166.895 231253.787 294.0673 -2 5.2462904 +28.281404 372236.725 231297.178 294.6134 -1 5.2903626 +28.324140 372307.359 231341.068 295.1594 00 5.3344544 +28.363675 372378.795 231385.456 295.7052 01 5.3785633 +28.400003 372451.036 231430.344 296.2508 02 5.4226864 +28.433121 372524.082 231475.733 296.7961 03 5.4668209 +28.463025 372597.933 231521.622 297.3413 04 5.5109641 +28.489712 372672.591 231568.012 297.8863 05 5.5551132 +28.513181 372748.055 231614.903 298.4310 06 5.5992652 +28.533430 372824.328 231662.297 298.9756 07 5.6434175 +28.550458 372901.409 231710.193 299.5199 08 5.6875671 +28.564266 372979.300 231758.592 300.0640 09 5.7317112 +28.574854 373058.002 231807.495 300.6079 10 5.7758471 +28.582223 373137.515 231856.903 301.1516 11 5.8199718 +28.586376 373217.841 231906.815 301.6950 12 5.8640822 +28.587314 373298.980 231957.232 302.2382 13 5.9081759 +28.585043 373380.935 232008.157 302.7812 14 5.9522497 +28.579565 373463.705 232059.588 303.3240 15 5.9963009 +28.570885 373547.291 232111.526 303.8664 16 6.0403267 +28.559009 373631.696 232163.972 304.4087 17 6.0843242 +28.543942 373716.919 232216.928 304.9507 18 6.1282906 +28.525692 373802.962 232270.392 305.4925 19 6.1722233 +28.504265 373889.826 232324.367 306.0340 20 6.2161194 +28.479669 373977.512 232378.853 306.5752 21 6.2599761 +28.451913 374066.021 232433.849 307.1162 22 6.3037908 +28.421007 374155.353 232489.358 307.6570 23 6.3475608 +28.386959 374245.511 232545.379 308.1975 24 6.3912832 +28.349781 374336.494 232601.914 308.7377 25 6.4349557 +28.309484 374428.304 232658.962 309.2776 26 6.4785754 +28.266080 374520.941 232716.524 309.8173 27 6.5221397 +28.219580 374614.407 232774.601 310.3567 28 6.5656463 +28.169998 374708.703 232833.194 310.8958 -------- ------------------------------------------------- TIME LT BASIC EVENTS SCHEDULE FOR DATE AND LOCATION 00:42 Moonrise - Waning crescent moon 06:18 Sunrise 17:22 Moonset 20:03 Sunset ====================================================================== HOURLY GEOCENTRIC LUNAR DISTANCE, RADIAL VELOCITY AND ORBITAL VELOCITY TABLE INCLUDING ANY APOGEE OR PERIGEE EVENT ON DATE. DATE = 2025 Aug 18 Mon TIME = UT-04:00 dT = +00:01:15 = NASA Delta T estimate For Radial Velocity: Neg/Pos = Approaching/Receding == ======================= =================== ==================== LT GEOCENTRIC DISTANCE RADIAL VELOCITY ORBITAL VELOCITY hh km mi km/h mi/h km/h mi/h -- ---------- ---------- -------- -------- -------- -------- -2 372236.725 231297.178 +70.231 +43.640 3792.865 2356.777 -1 372307.359 231341.068 +71.036 +44.140 3792.385 2356.479 00 372378.795 231385.456 +71.838 +44.638 3791.879 2356.164 01 372451.036 231430.344 +72.643 +45.138 3791.372 2355.850 02 372524.082 231475.733 +73.449 +45.639 3790.869 2355.537 03 372597.933 231521.622 +74.254 +46.139 3790.359 2355.220 04 372672.591 231568.012 +75.061 +46.641 3789.829 2354.890 05 372748.055 231614.903 +75.868 +47.142 3789.312 2354.569 06 372824.328 231662.297 +76.677 +47.645 3788.785 2354.242 07 372901.409 231710.193 +77.486 +48.148 3788.249 2353.909 08 372979.300 231758.592 +78.296 +48.651 3787.728 2353.585 09 373058.002 231807.495 +79.108 +49.155 3787.199 2353.256 10 373137.515 231856.903 +79.919 +49.659 3786.634 2352.905 11 373217.841 231906.815 +80.733 +50.165 3786.086 2352.565 12 373298.980 231957.232 +81.547 +50.671 3785.538 2352.224 13 373380.935 232008.157 +82.362 +51.178 3784.962 2351.866 14 373463.705 232059.588 +83.178 +51.684 3784.401 2351.518 15 373547.291 232111.526 +83.996 +52.193 3783.830 2351.163 16 373631.696 232163.972 +84.813 +52.700 3783.237 2350.794 17 373716.919 232216.928 +85.633 +53.210 3782.665 2350.439 18 373802.962 232270.392 +86.454 +53.720 3782.069 2350.069 19 373889.826 232324.367 +87.274 +54.230 3781.465 2349.693 20 373977.512 232378.853 +88.098 +54.741 3780.878 2349.328 21 374066.021 232433.849 +88.920 +55.253 3780.270 2348.951 22 374155.353 232489.358 +89.745 +55.765 3779.648 2348.565 23 374245.511 232545.379 +90.570 +56.277 3779.037 2348.184 24 374336.494 232601.914 +91.397 +56.792 3778.407 2347.793 25 374428.304 232658.962 +92.223 +57.304 3777.764 2347.394 26 374520.941 232716.524 +93.052 +57.820 3777.132 2347.001 27 374614.407 232774.601 +93.880 +58.334 3776.491 2346.603 -------- -----------------------------------------------------------
DE405 Lunar Ephemeris Calculator - v2.94 - A PHP Astronomy Program by Jay Tanner Revised: 2021 June 21 at 06:54:17 AM Monday